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|introduced=1959
|introduced=1959
|discontinued=1972
|discontinued=1972
|summary=100 MHz oscilloscope
|summary=100 (95) MHz oscilloscope
|designers=John Gates;
|designers=John Gates;
|manuals=
|manuals=
* [[Media:070-171.pdf|Tektronix 585 Manual]] (PDF, OCR)
* [[Media:070-171.pdf|Tektronix 585 Manual]] (OCR)
* [[Media:070-0391-01.pdf|Tektronix 585A Manual]] (PDF)
* [[Media:070-0391-01.pdf|Tektronix 585A Manual]]
* ''070-0392-00.pdf RM585A Manual needed''
* ''[[Media:070-392.pdf|070-392 RM585A Manual needed]]''
* [[Media:070-427.pdf|Tektronix 585A Operator's Manual]] (4"×5", PDF)
* [[Media:070-427.pdf|Tektronix 585A Operator's Manual]] (4"×5")
<small>
<small>


'''Calibration'''
'''Calibration'''
* [[Media:Service Scope 39 Aug 1966.pdf|580 series gain adjustment procedure, in Service Scope 39, Aug 1966]]
* [[Media:Service Scope 39 Aug 1966.pdf|580 series gain adjustment procedure, in Service Scope 39, Aug 1966]]
* [http://w140.com/tek_fcp/tek_585_fac_cal.pdf Tektronix 585 Factory Calibration Procedure, June 1961 (PDF)]
* [https://w140.com/tek_fcp/tek_585_fac_cal.pdf Tektronix 585 Factory Calibration Procedure, June 1961]
* [[Media:Tek 585a fcp nov 1968.pdf|Tektronix 585A Factor Calibration Procedure, November 1968 (PDF)]]
* [[Media:Tek 585a fcp nov 1968.pdf|Tektronix 585A Factor Calibration Procedure, November 1968]]


'''Modifications'''
'''Modifications'''
* [http://web.archive.org/web/20170727004536/http://www.reprise.com/host/tektronix/reference/581_relay.asp  Power supply Mod (From Stan's website, archived)]
* [https://web.archive.org/web/20170727004536/http://www.reprise.com/host/tektronix/reference/581_relay.asp  Power supply Mod (From Stan's website, archived)]
</small>
</small>
}}
}}
The '''Tektronix 585''' is a 100 MHz [[580-series scopes|580-Series scope]] that Tektronix [[introduced in 1959]].
The '''Tektronix 585''' is a 100 MHz [[580-series scopes|580-Series scope]] that Tektronix [[introduced in 1959]].
It was designed by [[John Gates]].
The [[581]] is the same with a single timebase.
The [[581]] is the same with a single timebase.
The 585A facelift model was introduced in 1963 and discontinued after 1971.   
The 585A facelift model was introduced in 1963 and discontinued after 1971.   


The 58x series were the first Tek scopes with [[distributed deflection plates]] and the last with a [[distributed amplifier]].
The 58x series were the first Tek scopes with [[distributed deflection plates]], the first Tek scopes to use a cross-wound continuous delay line, and the last with a [[distributed amplifier]].
At 100 MHz (down-rated to 95 MHz in 1962 and 85 MHz for the 585A) with the [[80|Type 80 plug-in]] and up to 85 MHz with the dual-channel [[82|Type 82]],  
 
they were the highest-speed general purpose scopes of Tek's tube scope era. (The 1 GHz [[519]] was specialized with no vertical amplifier.)
At 100 MHz (down-rated to 95 MHz in 1962 and 85 MHz for the 585A in 1963) with the [[80|Type 80 plug-in]] and up to 85 MHz with the dual-channel [[82|Type 82]], they were the highest-speed general purpose scopes of Tek's tube scope era. (The 1 GHz [[519]] was specialized with no vertical amplifier.)


The 585's front panel layout is almost identical to the [[545A]] that came out at the same time. The 585 also shares internal construction and circuits such as the power supply with the [[535]]/[[545]] line of scopes.
The 585's front panel layout is almost identical to the [[545A]] that came out at the same time. The 585 also shares internal construction and circuits such as the power supply with the [[535]]/[[545]] line of scopes.
 
__TOC__
{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Rise time | 3.5 ns with [[80 | Type 80]] plugin and [[P80|P80 probe]] }}
{{Spec | Rise time | 3.5 ns with [[80 | Type 80]] plugin and [[P80|P80 probe]] }}
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==History==
==History==
[https://vintagetek.org/my-early-tektronix-days-by-john-kobbe-2/ John Kobbe says]:
[https://vintagetek.org/my-early-tektronix-days-by-john-kobbe-2/ John Kobbe said]:
<blockquote>
<blockquote>
Later on there was another special CRT designed with [[distributed deflection plates|distributed vertical deflection]] for the 100 Megahertz 580 (well almost 100 MHz). The 580 was the first to, at least at Tek, to use a cross wound continuous signal [[delay line]]. The 580 used a similar horizontal system lifted from the 530’s which was too slow and insufficient writing rate. The [[P80|active probe]] and [[580 Series plug-in interface|plug in system]] left a lot to be desired. I wasn’t very proud of the 580 design as it was too compromised.
Later on there was another special CRT designed with [[distributed deflection plates|distributed vertical deflection]] for the 100 Megahertz 580 (well almost 100 MHz).  
 
The 580 was the first, at least at Tek, to use a cross wound continuous signal [[delay line]].  
 
The 580 used a similar horizontal system lifted from the 530s which was too slow and [had] insufficient writing rate.  
 
The [[P80|active probe]] and [[580 Series plug-in interface|plug in system]] left a lot to be desired. I wasn’t very proud of the 580 design as it was too compromised.
</blockquote>
</blockquote>
==Internals==
==Internals==
=== Plug-in Interface ===
=== Plug-in Interface ===
The 585 uses [[580-series plug-ins]] which look like [[letter-series and 1-series plug-ins]]  
The 585 uses [[580-series plug-ins]] which look like [[letter-series and 1-series plug-ins]]  
but are electrically different.
but are electrically different. The main difference is the impedance of the signal that passes
The main difference is the impedance of the signal that passes
through the interface from the plug-in to the mainframe.
through the interface from the plug-in to the mainframe.
In 530/540/550-series scopes, the plug-in expects the mainframe to be a high impedance load,
In 530/540/550-series scopes, the plug-in expects the mainframe to be a high impedance load,
driving tube grids in the mainframe.
driving tube grids in the mainframe.
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Starting at serial number 1071 (and sometimes retrofitted to earlier instruments), the dual-triode  
Starting at serial number 1071 (and sometimes retrofitted to earlier instruments), the dual-triode  
Schmitt trigger circuit was replaced by an [[STD615]] 10 mA [[tunnel diodes|tunnel diode]] AC-coupled to the  
Schmitt trigger circuit was replaced by an [[STD615]] 10 mA [[tunnel diodes|tunnel diode]] AC-coupled to the base-emitter junction of an [[OC171]] germanium PNP transistor as a pulse amplifier.   
base-emitter junction of an [[OC171]] germanium PNP transistor as a pulse amplifier.   


The slower "B" timebase uses a Schmitt trigger circuit.
The slower "B" timebase uses a Schmitt trigger circuit.


=== Vertical Signal Path ===
=== Vertical Signal Path ===
Like the [[545]], [[551]], and [[555]], the 585 uses two [[distributed amplifier]]s in the vertical signal path,  
Like the [[545]], [[551]], and [[555]], the 585 uses two [[distributed amplifier]]s in the vertical signal path, one with seven differential [[6DJ8]] stages driving a helically-wound, differential [[delay line]], followed by a five-stage differential distributed driver amplifier and a [[7699]] or [[6939]] dual tetrode power stage driving the CRT.
one with seven differential [[6DJ8]] stages driving a helically-wound, differential [[delay line]], followed by  
a five-stage differential distributed driver amplifier and a [[7699]] or [[6939]] dual tetrode power stage driving the CRT.


Unlike the other 500-series scopes, the 585 uses a CRT with [[distributed vertical deflection plates]],  
Unlike the other 500-series scopes, the 585 uses a CRT with [[distributed vertical deflection plates]], the [[T581]], enabling it to have both fast rise time and high sensitivity (~5 V/cm vertically), albeit at the cost of limiting vertical deflection to slightly over 4 cm. Total acceleration voltage is 10 kV.
the [[T581]], enabling it to have both fast rise time and high sensitivity (~5 V/cm vertically),
albeit at the cost of limiting vertical deflection to slightly over 4 cm. Total acceleration voltage is 10 kV.


Several improvements were published for the 585 circuitry, including the enhanced trigger circuit.  
Several improvements were published for the 585 circuitry, including the enhanced trigger circuit.  
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After serial number 2585, the back termination of the final distributed amplifier output was made adjustable.  
After serial number 2585, the back termination of the final distributed amplifier output was made adjustable.  
The manual says this (field-installable) modification (040-275) is "required for proper operation of plug-ins  
The manual says this (field-installable) modification (040-275) is "required for proper operation of plug-ins with numbers above [[81|Type 81]]". Non-A instruments with this termination have a front panel label reading "standardized vertical".
with numbers above [[81|Type 81]]". Non-A instruments with this termination have a front panel label reading  
"standardized vertical".


===Power Supply===
===Power Supply===


The 585 power supply is similar to other Tek scopes of the era such as the [[549]].  A linear regulator with a [[5651]] reference tube,  
The 585 power supply is similar to other Tek scopes of the era such as the [[549]].  A linear regulator with a [[5651]] reference tube, a [[12AX7]]/[[6AU6]] error amplifier and three parallel [[12B4]] series pass tubes produces −150 V.   
a [[12AX7]]/[[6AU6]] error amplifier and three parallel [[12B4]] series pass tubes produces −150 V.  This is the only adjustable rail,  
This is the only adjustable rail, all other regulated voltages are referenced to it.   
all other regulated voltages are referenced to it.  The +100 V and +350 V regulators use half a [[6080]] each as the pass element,  
The +100 V and +350 V regulators use half a [[6080]] each as the pass element, the +225 V two.   
the +225 V two.  In the +500 V path, a [[12B4]] performs this function.  The unregulated +325 V input to the 225 V regulator is used  
In the +500 V path, a [[12B4]] performs this function.   
to supply the HV oscillator, a [[6AU5]].
The unregulated +325 V input to the 225 V regulator is used to supply the HV oscillator, a [[6AU5]].


A transistor-based regulator supplies a +12.6 V heater voltage to the plug-in.
A transistor-based regulator supplies a +12.6 V heater voltage to the plug-in.
Line 116: Line 116:
When the main relay engages, the delay relay is cut out so it will be ready to delay again even after a quick interrupt in power input.
When the main relay engages, the delay relay is cut out so it will be ready to delay again even after a quick interrupt in power input.


12.6 V power supply regulation is referenced from +100V regulated output.  Since +100V is not available during the warm-up period, an unregulated +100 V (~+180 V) is fed as the reference to 12.6 V power supply during warmup period. This is cut out by the multi-contact relay post warmup.  
The 12.6 V power supply is referenced to the +100 V regulated output.  Since +100 V is not available during the warm-up period, an unregulated +100 V (~+180 V) is fed as the reference to the 12.6 V power supply during the warm-up period, then cut out by the multi-contact relay post warmup.  


The 585 contains a 53°C (128°F) [[thermal cutoff]].
The 585 contains a 53°C (128°F) [[thermal cutoff]].
The power transformer, T601, is Tektronix part number [[120-0141-00]].


===Semiconductors===
===Semiconductors===
The 585 uses semiconductor diodes as rectifiers and germanium transistors in the 12.6 V power supply, and except for unmodified
The 585 uses semiconductor diodes as rectifiers and germanium transistors in the 12.6 V power supply, and except for unmodified instruments before SN 1070, a tunnel diode and another germanium transistor in the time base A trigger circuit.
instruments before SN 1070, a tunnel diode and another germanium transistor in the time base A trigger circuit.


=== Rackmount Versions ===
=== Rackmount Versions ===
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{| class="wikitable"  
{| class="wikitable"  
<!-- Header -->
<!-- Header -->
! colspan="3" | Few of the changes across 585 and 585A
! colspan="3" | Some changes across 585 and 585A
|-
|-
!  
!  
Line 141: Line 142:
!  rowspan="2" | A-Trigger  
!  rowspan="2" | A-Trigger  
| SN up to 1070  
| SN up to 1070  
*[[6EW8]] Trigger comparator.  
*[[6EW6]] Trigger comparator.  
*[[6DJ8]] Trigger multivibrator
*[[6DJ8]] Trigger multivibrator
| rowspan="2" |
| rowspan="2" |
Line 234: Line 235:
| colspan="2" |  &nbsp;
| colspan="2" |  &nbsp;
| colspan="2" align="center" | 585
| colspan="2" align="center" | 585
| colspan="4" align="center" | 585A
| colspan="5" align="center" | 585A
|-
|-
! colspan="2" | Year
! colspan="2" | Year
Line 243: Line 244:
! 1969
! 1969
! 1971*
! 1971*
! 1972*
|-
|-
! rowspan="2"| mainframe only
! rowspan="2"| mainframe only
| catalog
| Catalog Price
|align=right|  $1,675
|align=right|  $1,675
|align=right|  $1,725
|align=right|  $1,725
Line 251: Line 253:
|align=right|  $1,725
|align=right|  $1,725
|align=right|  $1,800
|align=right|  $1,800
|align=right|  $3,325
|align=right|  $2,400
|align=right|  $2,600
|-
|-
| 2020''**''
| In 2023 Dollars
|align=right| $14,890
|align=right| $17,200
|align=right| $14,780
|align=right| $17,600
|align=right| $14,580
|align=right| $17,300
|align=right| $14,170
|align=right| $16,800
|align=right| $12,690
|align=right| $15,100
|align=right| $15,330
|align=right| $18,200
|align=right| $19,100
|-
|-
! rowspan="2"| mainframe+[[80]]+[[P80]]
! rowspan="2"| mainframe+[[80]]+[[P80]]
| catalog
| Catalog Price
|align=right|  $1,825
|align=right|  $1,825
|align=right|  $1,875
|align=right|  $1,875
|align=right|  $1,975
|align=right|  $1,975
|-
|-
| 2020''**''
| In 2023 Dollars
|align=right| $16,220
|align=right| $19,300
|align=right| $16,060
|align=right| $19,100
|align=right| $16,700
|align=right| $19,900
|-
|-
! rowspan="2"| mainframe+[[82]]
! rowspan="2"| mainframe+[[82]]
| catalog
| Catalog Price
|
|
|
|
Line 280: Line 284:
|align=right|  $2,575
|align=right|  $2,575
|align=right|  $3,325
|align=right|  $3,325
|align=right|  $3,600
|-
|-
| 2020''**''
| In 2023 Dollars
|
|
|
|
|
|
|align=right| $19,500
|align=right| $23,200
|align=right| $18,150
|align=right| $21,600
|align=right| $21,240
|align=right| $25,300
|align=right| $26,500
|-
|-
!  rowspan="2"| mainframe+[[86]]+[[P6008]]
!  rowspan="2"| mainframe+[[86]]+[[P6008]]
| catalog
| Catalog Price
|
|
|
|
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|align=right|  $2,075
|align=right|  $2,075
|align=right|  $2,185  
|align=right|  $2,185  
|
|
|
|-
|-
| 2020''**''
| In 2023 Dollars
|
|
|
|
|
|align=right| $20,300
|align=right| $18,300
|
|
|align=right| $17,040
|align=right| $15,400
|
|
|}
|}


:''* "limited demand" instrument''
:''* "limited demand" instrument''
:''** original list price corrected for inflation''
 


==Pictures==
==Pictures==
Line 338: Line 346:
585-150ns-100hz.jpg      | 585 displaying a ~150 ns pulse at 100 Hz repetition rate at fastest timebase setting
585-150ns-100hz.jpg      | 585 displaying a ~150 ns pulse at 100 Hz repetition rate at fastest timebase setting
585_cyclist.jpg          | Cyclist cartoon in horizontal amplifier schematic
585_cyclist.jpg          | Cyclist cartoon in horizontal amplifier schematic
Tek 585 lvps.png        | Tektronix 585 Low Voltage Power Supply Schematic
</gallery>
</gallery>


Line 343: Line 352:
<gallery>
<gallery>
Tek 585a trace.jpg
Tek 585a trace.jpg
585a_front.jpg|585A with [[82]]
585a_front.jpg                         | 585A with [[82]]
Tek 585 upgraded to 585a.jpg|585 with TRIGGER SOURCE switch upgraded to 585A design
Tek 585 upgraded to 585a.jpg           | 585 with TRIGGER SOURCE switch upgraded to 585A design
Wellenkino 585a 2.jpg
Wellenkino 585a 2.jpg
Wellenkino 585A.jpg
Wellenkino 585A.jpg
Tek 585a sine trace.jpg
Tek 585a sine trace.jpg
Tek 585a square trace.jpg
Tek 585a square trace.jpg
Tek 585a with 81a and hickok plugin.jpg|585A with [[81|81A]] and Hickok plug-in
Tek 585a with 81a and hickok plugin.jpg | 585A with [[81|81A]] and Hickok plug-in
Tek 585a handbook.jpg
Tek 585a handbook.jpg
</gallery>
</gallery>
===585A Internals===
===585A Internals===
<gallery>
<gallery>
Tek 585a right internal on cart.jpg|585A on cart
Tek 585a right internal on cart.jpg | 585A on cart
585a_delay1.jpg|585A delay line
585a_delay1.jpg                     | 585A delay line
585_delay2.jpg|585A delay line
585_delay2.jpg                     | 585A delay line
585_delay3.jpg|585A delay line
585_delay3.jpg                     | 585A delay line
585a_trig.jpg|585A trigger circuit
585a_trig.jpg                       | 585A trigger circuit
585a_trig_td2.jpg|White plastic clip holds tunnel diode for triggering
585a_trig_td2.jpg                   | White plastic clip holds tunnel diode for triggering
585a_door_open.jpg|Inside view shows regulator tubes
585a_door_open.jpg                 | Inside view shows regulator tubes
585a_dist_vert amp.jpg|Distributed vertical amplifier
585a_dist_vert amp.jpg             | Distributed vertical amplifier
T580_CRT.JPG|[[T581]]0P31 distributed deflection plates
T580_CRT.JPG                       | [[T581]]0P31 distributed deflection plates
Tek_154-0479-00-dDePlates.jpeg | [[T581]]0P31 distributed deflection plates
Tek_154-0479-00-dDePlates.jpeg     | [[T581]]0P31 distributed deflection plates
Tek 58x direct crt.png|Direct Connection to CRT (from 1964 Service Scope)
Tek 58x direct crt.png             | Direct Connection to CRT (from 1964 Service Scope)
</gallery>
</gallery>


Line 376: Line 385:
===RM585A Internals===
===RM585A Internals===
<gallery>
<gallery>
Tek_RM585A_Int_LHSjpeg.jpeg | RM585A Internal LHS
Tek_RM585A_Int_LHSjpeg.jpeg               | RM585A Internal LHS
Tek_RM585A_Int_Underside.jpeg | RM585A Internal underside
Tek_RM585A_Int_Underside.jpeg             | RM585A Internal underside
Tek_RM585A_Int_Underside-TimeBaseOpen.jpeg | RM585A Internal Underside - Timebase  door open
Tek_RM585A_Int_Underside-TimeBaseOpen.jpeg | RM585A Internal Underside - Timebase  door open
Tek_RM585A_Int_Top-Dline-open.jpeg| RM585A Top - Internal-  Delay line door open
Tek_RM585A_Int_Top-Dline-open.jpeg         | RM585A Top - Internal-  Delay line door open
Tek_RM585A_Int_Top.jpeg | RM585A - Internal top
Tek_RM585A_Int_Top.jpeg                   | RM585A - Internal top
Tek_RM585A_Int_RHS.jpeg | RM585A Internal RHS
Tek_RM585A_Int_RHS.jpeg                   | RM585A Internal RHS
Tek_RM585A_Int_HV.jpeg | RM585A Internal HV Section
Tek_RM585A_Int_HV.jpeg                     | RM585A Internal HV Section
Tek_RM585A_Int_Rear.jpeg | RM585A Internal - Rear
Tek_RM585A_Int_Rear.jpeg                   | RM585A Internal - Rear
Tek_585A_VOutput-Tubes.jpeg | RM585A Internal - Vamp - Output [[7788]] pair
Tek_585A_VOutput-Tubes.jpeg               | RM585A Internal - Vamp - Output [[7788]] pair
RM585A_12.6V-Recrifier.jpeg | 12.6 V rail silicon diode rectifier with fuse
RM585A_12.6V-Recrifier.jpeg               | 12.6 V rail silicon diode rectifier with fuse
RM585A_T44-Trigger-Transformer.jpeg | T44 - Trigger coupling transformer (Tunnel diode trigger)
RM585A_T44-Trigger-Transformer.jpeg       | T44 - Trigger coupling transformer (Tunnel diode trigger)
RM585A_12.6V-regulator.jpeg | 12.6 V rail regulator transistors
RM585A_12.6V-regulator.jpeg               | 12.6 V rail regulator transistors
RM585A_18V-delayrelay.jpeg | Delay relay 18NO30T
RM585A_18V-delayrelay.jpeg                 | Delay relay 18NO30T
Tek_585A_Trigger-Amp-transistor.jpeg| Trigger amplifier transistor 2N2048
Tek_585A_Trigger-Amp-transistor.jpeg       | Trigger amplifier transistor 2N2048
Tek_585A_Vamp-Plate-Line-Termination.jpeg| Plate line termination (post deflection plates)
Tek_585A_Vamp-Plate-Line-Termination.jpeg | Plate line termination (post deflection plates)
Tek_585A_T1046-transformer.jpeg | T1046 toroid transformer in V-amp, used as phase correction/common mode choke  
Tek_585A_T1046-transformer.jpeg           | T1046 toroid transformer in V-amp, used as phase correction/common mode choke  
Tek_585A_Grid_Line.jpeg | Tek 585A V-amp grid line (Delay Line driver stage)
Tek_585A_Grid_Line.jpeg                   | Tek 585A V-amp grid line (Delay Line driver stage)
Tek_585A_Plate_Line.jpeg | Tek 585A plate line  (partial, delay Line driver stage)
Tek_585A_Plate_Line.jpeg                   | Tek 585A plate line  (partial, delay Line driver stage)
Tek_585A_Tunnel-trig.jpeg | Tunnel diode in A-trigger (closeup)
Tek_585A_Tunnel-trig.jpeg                 | Tunnel diode in A-trigger (closeup)
</gallery>
</gallery>


==Components==
{{Parts|585}}
{{Parts|585}}
{{Parts|585A}}
{{Parts|585A}}
{{Plugins|580-series scopes}}


[[Category:580 series scopes]]
[[Category:580 series scopes]]

Latest revision as of 06:00, 7 February 2024

Tektronix 585
100 (95) MHz oscilloscope
Tektronix 585 with Type 82 plug-in

Produced from 1959 to 1972

Manuals
Manuals – Specifications – Links – Pictures

The Tektronix 585 is a 100 MHz 580-Series scope that Tektronix introduced in 1959. It was designed by John Gates. The 581 is the same with a single timebase. The 585A facelift model was introduced in 1963 and discontinued after 1971.

The 58x series were the first Tek scopes with distributed deflection plates, the first Tek scopes to use a cross-wound continuous delay line, and the last with a distributed amplifier.

At 100 MHz (down-rated to 95 MHz in 1962 and 85 MHz for the 585A in 1963) with the Type 80 plug-in and up to 85 MHz with the dual-channel Type 82, they were the highest-speed general purpose scopes of Tek's tube scope era. (The 1 GHz 519 was specialized with no vertical amplifier.)

The 585's front panel layout is almost identical to the 545A that came out at the same time. The 585 also shares internal construction and circuits such as the power supply with the 535/545 line of scopes.

Key Specifications

Rise time 3.5 ns with Type 80 plugin and P80 probe
Timebase A 50 ns/Div to 2 s/Div, 1−2−5, variable ×2.5, magnifier ×5, single sweep; X input
Timebase B 2 μs/Div to 1 s/Div, 1−2−5, can delay timebase A by 1 μs to 10 s
CRT T581, distributed vertical deflection plates, 10 kV acceleration
Outputs A Sawtooth, A Gate, B Gate, Calibrator (0.2 mV to 100 Vp-p, 1−2−5)
Power 107−127 or 214−234 VAC, 50-60 Hz, 890 VA / 710 W
Dimensions (W/L/H) 330×610×432 mm³ (13"×24"×17")

585A differences

The 585A uses a tunnel-diode trigger circuit (see below), adds HF Sync and AC LF reject modes to the timebase A trigger selector, and adds a trace rotation coil.

Links

History

John Kobbe said:

Later on there was another special CRT designed with distributed vertical deflection for the 100 Megahertz 580 (well almost 100 MHz).

The 580 was the first, at least at Tek, to use a cross wound continuous signal delay line.

The 580 used a similar horizontal system lifted from the 530s which was too slow and [had] insufficient writing rate.

The active probe and plug in system left a lot to be desired. I wasn’t very proud of the 580 design as it was too compromised.

Internals

Plug-in Interface

The 585 uses 580-series plug-ins which look like letter-series and 1-series plug-ins but are electrically different. The main difference is the impedance of the signal that passes through the interface from the plug-in to the mainframe.

In 530/540/550-series scopes, the plug-in expects the mainframe to be a high impedance load, driving tube grids in the mainframe. The 580 Series plug-in interface, on the other hand, presents a differential transmission line input with an impedance of 93 Ω per side, going into the first distributed amplifier stage. The other end of this transmission line is returned to the plug-in for termination and biasing. The pin-out of the interface connector is also different, the 580-series pin-out being essentially flipped 180° from its 530/540/550 series counterparts (Signal Out is between pins 14 and 16 as opposed to between pins 1 and 3, etc.)

The Type 81 adapter allows the use of letter-series and 1-series plug-ins in a 585.

Trigger Circuit

The original 585 (up to serial number 1070) has an "A" trigger circuit that has a differential trigger amplifier made of a pair of 6EW6 miniature pentodes, followed by a Schmitt trigger made of a pair of miniature dual triode tubes.

Starting at serial number 1071 (and sometimes retrofitted to earlier instruments), the dual-triode Schmitt trigger circuit was replaced by an STD615 10 mA tunnel diode AC-coupled to the base-emitter junction of an OC171 germanium PNP transistor as a pulse amplifier.

The slower "B" timebase uses a Schmitt trigger circuit.

Vertical Signal Path

Like the 545, 551, and 555, the 585 uses two distributed amplifiers in the vertical signal path, one with seven differential 6DJ8 stages driving a helically-wound, differential delay line, followed by a five-stage differential distributed driver amplifier and a 7699 or 6939 dual tetrode power stage driving the CRT.

Unlike the other 500-series scopes, the 585 uses a CRT with distributed vertical deflection plates, the T581, enabling it to have both fast rise time and high sensitivity (~5 V/cm vertically), albeit at the cost of limiting vertical deflection to slightly over 4 cm. Total acceleration voltage is 10 kV.

Several improvements were published for the 585 circuitry, including the enhanced trigger circuit. If all of those changes are applied to a 585, it is essentially a 585A.

After serial number 2585, the back termination of the final distributed amplifier output was made adjustable. The manual says this (field-installable) modification (040-275) is "required for proper operation of plug-ins with numbers above Type 81". Non-A instruments with this termination have a front panel label reading "standardized vertical".

Power Supply

The 585 power supply is similar to other Tek scopes of the era such as the 549. A linear regulator with a 5651 reference tube, a 12AX7/6AU6 error amplifier and three parallel 12B4 series pass tubes produces −150 V. This is the only adjustable rail, all other regulated voltages are referenced to it. The +100 V and +350 V regulators use half a 6080 each as the pass element, the +225 V two. In the +500 V path, a 12B4 performs this function. The unregulated +325 V input to the 225 V regulator is used to supply the HV oscillator, a 6AU5.

A transistor-based regulator supplies a +12.6 V heater voltage to the plug-in.

A 6NO45 delay relay controls a multi-contact relay to switch supply voltages on only after the tubes are warmed up. When the main relay engages, the delay relay is cut out so it will be ready to delay again even after a quick interrupt in power input.

The 12.6 V power supply is referenced to the +100 V regulated output. Since +100 V is not available during the warm-up period, an unregulated +100 V (~+180 V) is fed as the reference to the 12.6 V power supply during the warm-up period, then cut out by the multi-contact relay post warmup.

The 585 contains a 53°C (128°F) thermal cutoff.

The power transformer, T601, is Tektronix part number 120-0141-00.

Semiconductors

The 585 uses semiconductor diodes as rectifiers and germanium transistors in the 12.6 V power supply, and except for unmodified instruments before SN 1070, a tunnel diode and another germanium transistor in the time base A trigger circuit.

Rackmount Versions

Rackmount versions were also made, the RM585 and RM585A.

Circuit Variants

Some changes across 585 and 585A
585 585A
A-Trigger SN up to 1070
  • 6EW6 Trigger comparator.
  • 6DJ8 Trigger multivibrator
  • Tunnel diode trigger
  • PNP trigger amplifier 2N2048
SN 1071 up
  • Tunnel diode trigger
  • PNP trigger amplifier OC171
Sweep Generator Standard SN 120000 up

D152/252 added to 6AL5 disconnect diodes

12.6 V Power SN up to 3762
  • Used for plug-in
  • Selenium rectifier
  • Used for plug-in and vertical amplifier heaters
  • SN 6580 up Fused
SN 3763 up
  • Used for plug-in and vertical amplifier heaters
  • Minor design changes from earlier SN
Vertical amplifier

grid/plate line fuses

SN up to 3762: No Fuse Fused
SN 3763 up: Added F1210, F1260, F1285
Delay Relay 6NO45
  • Heater power from unregulated 18 V DC
  • 33 Ω dropping resistor.
 SN up to 9179
  • 6NO45
  • Heater power from unregulated 18 V DC
  • 33 Ω dropping resistor.
SN 9180 up
  • 18NO30
  • Heater power from unregulated 18 V DC
Trace Rotation Not present SN 9000 up: Added trace rotation
Final vertical power amp 6939/AX193/7699 dual tetrode 2 × 7788 Pentode
Power supply Mod None SN 9250 up: Main relay K601-4 relocated Details
SN Range not applicable for rack-mount models

Prices

  585 585A
Year 1959 1962 1963 1965 1969 1971* 1972*
mainframe only Catalog Price $1,675 $1,725 $1,725 $1,725 $1,800 $2,400 $2,600
In 2023 Dollars $17,200 $17,600 $17,300 $16,800 $15,100 $18,200 $19,100
mainframe+80+P80 Catalog Price $1,825 $1,875 $1,975
In 2023 Dollars $19,300 $19,100 $19,900
mainframe+82 Catalog Price $2,375 $2,575 $3,325 $3,600
In 2023 Dollars $23,200 $21,600 $25,300 $26,500
mainframe+86+P6008 Catalog Price $2,075 $2,185
In 2023 Dollars $20,300 $18,300
* "limited demand" instrument


Pictures

585 non-A

585 non-A Internals

  • 585 bottom view (with Type 81 Adapter and Type CA plug-in)

    585 bottom view (with Type 81 Adapter and Type CA plug-in)

  • Distributed delay line driver amplifier

    Distributed delay line driver amplifier

  • Distributed delay line driver amplifier (bottom). Plug-in interface connector to the left.

    Distributed delay line driver amplifier (bottom). Plug-in interface connector to the left.

  • 585 left side

    585 left side

  • Vertical amplifier (post-delay 5-stage distributed amplifier). Pre-SN 2585 fixed termination.

    Vertical amplifier (post-delay 5-stage distributed amplifier). Pre-SN 2585 fixed termination.

  • Vertical amplifier (5-stage dist amp, power output stage)

    Vertical amplifier (5-stage dist amp, power output stage)

  • Rectifiers

    Rectifiers

  • Time Base A

    Time Base A

  • 585 top view

    585 top view

  • 585 rear from above, handle and HV cover removed

    585 rear from above, handle and HV cover removed

  • "Black Beauty" capacitors (leaky!) in original HV circuit

    "Black Beauty" capacitors (leaky!) in original HV circuit

  • HV circuit re-capped with modern ceramic 10 nF / 3 kV caps

    HV circuit re-capped with modern ceramic 10 nF / 3 kV caps

  • 6080 (large tube) and 12B4 pass elements in PSU

    6080 (large tube) and 12B4 pass elements in PSU

  • 585 delay line driver distributed amplifier in operation

    585 delay line driver distributed amplifier in operation

  • 585 power supply (center) and timebase B (left) in operation

    585 power supply (center) and timebase B (left) in operation

  • 585 displaying a ~150 ns pulse at 100 Hz repetition rate at fastest timebase setting

    585 displaying a ~150 ns pulse at 100 Hz repetition rate at fastest timebase setting

  • Cyclist cartoon in horizontal amplifier schematic

    Cyclist cartoon in horizontal amplifier schematic

  • Tektronix 585 Low Voltage Power Supply Schematic

    Tektronix 585 Low Voltage Power Supply Schematic

585A

  • 585A with 82

    585A with 82

  • 585 with TRIGGER SOURCE switch upgraded to 585A design

    585 with TRIGGER SOURCE switch upgraded to 585A design

  • 585A with 81A and Hickok plug-in

    585A with 81A and Hickok plug-in

585A Internals

  • 585A on cart

    585A on cart

  • 585A delay line

    585A delay line

  • 585A delay line

    585A delay line

  • 585A delay line

    585A delay line

  • 585A trigger circuit

    585A trigger circuit

  • White plastic clip holds tunnel diode for triggering

    White plastic clip holds tunnel diode for triggering

  • Inside view shows regulator tubes

    Inside view shows regulator tubes

  • Distributed vertical amplifier

    Distributed vertical amplifier

  • T5810P31 distributed deflection plates

    T5810P31 distributed deflection plates

  • T5810P31 distributed deflection plates

    T5810P31 distributed deflection plates

  • Direct Connection to CRT (from 1964 Service Scope)

    Direct Connection to CRT (from 1964 Service Scope)

RM585A

  • RM-585A

    RM-585A

  • RM585A - ALT/DLYD' Trigger

    RM585A - ALT/DLYD' Trigger

  • RM585A - Rear

    RM585A - Rear

RM585A Internals

  • RM585A Internal LHS

    RM585A Internal LHS

  • RM585A Internal underside

    RM585A Internal underside

  • RM585A Internal Underside - Timebase door open

    RM585A Internal Underside - Timebase door open

  • RM585A Top - Internal- Delay line door open

    RM585A Top - Internal- Delay line door open

  • RM585A - Internal top

    RM585A - Internal top

  • RM585A Internal RHS

    RM585A Internal RHS

  • RM585A Internal HV Section

    RM585A Internal HV Section

  • RM585A Internal - Rear

    RM585A Internal - Rear

  • RM585A Internal - Vamp - Output 7788 pair

    RM585A Internal - Vamp - Output 7788 pair

  • 12.6 V rail silicon diode rectifier with fuse

    12.6 V rail silicon diode rectifier with fuse

  • T44 - Trigger coupling transformer (Tunnel diode trigger)

    T44 - Trigger coupling transformer (Tunnel diode trigger)

  • 12.6 V rail regulator transistors

    12.6 V rail regulator transistors

  • Delay relay 18NO30T

    Delay relay 18NO30T

  • Trigger amplifier transistor 2N2048

    Trigger amplifier transistor 2N2048

  • Plate line termination (post deflection plates)

    Plate line termination (post deflection plates)

  • T1046 toroid transformer in V-amp, used as phase correction/common mode choke

    T1046 toroid transformer in V-amp, used as phase correction/common mode choke

  • Tek 585A V-amp grid line (Delay Line driver stage)

    Tek 585A V-amp grid line (Delay Line driver stage)

  • Tek 585A plate line (partial, delay Line driver stage)

    Tek 585A plate line (partial, delay Line driver stage)

  • Tunnel diode in A-trigger (closeup)

    Tunnel diode in A-trigger (closeup)


Components

Some Parts Used in the 585

Part Part Number(s) Class Description Used in
120-0141-00 120-0141-00 Discrete component power transformer 581 • 581A • 585 • 585A
12AU6 154-0040-00 Vacuum Tube (Pentode) RF pentode 81 • 112 • 1L10 • 1L20 • 1L60 • 3L10 • 512 • 556 • 575 • 545 • 547 • 549 • 581 • 585 • A • B • C • G • K • H • L • ML • M • N • O • R • S • Z
12AU7 154-041 • 154-0041-00 • 154-0287-00 Vacuum Tube (Dual Triode) dual medium-μ triode 104 • 104A • 122 • 160 • 161 • 162 • 181 • 190 • 310 • 310A • 316 • 317 • 3C66 • 502 • 502A • 507 • 511A • 512 • 516 • 517 • 517A • 524 • 526 • 535 • 536 • 545 • 545A • 545B • 547 • 549 • 555 • 561 • 564 • 570 • 575 • 581 • 581A • 585 • 585A • C • D • E • N • Q • Hickok 1825
12AX7 154-043 • 154-0043-00 Vacuum Tube (Dual Triode) dual triode 3C66 • 513 • 524 • 531 • 531A • 535 • 536 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 570 • 581 • 581A • 585 • 585A • E • Q • Hickok 1825 • Keithley 610
12B4 154-044 • 154-0044-00 Vacuum Tube (Triode) power triode 126 • 310 • 310A • 316 • 317 • 502 • 502A • 524 • 526 • 541 • 541A • 535 • 535A • 545 • 545A • 546 • 547 • 570 • 549 • 551 • 555 • 513 • 581 • 581A • 585 • 585A • Keithley 610
18NO30 Discrete component 18 V, 30-second delay relay 581 • 585
5642 154-0051-00 • 154-0079-00 Vacuum Tube (Diode) directly-heated high-voltage rectifier 310 • 310A • 316 • 317 • 360 • 453 • 502 • 502A • 503 • 504 • 506 • 513 • 515 • 516 • 524 • 529 • RM529 • 533 • 533A • 535 • 536 • 543 • 543A • 543B • 545 • 545A • 545B • 547 • 551 • 555 • 556 • 560 • 561 • 561A • 561S • 564 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 647 • 647A
5651 154-052 • 154-0052-00 • 154-0288-00 Gas Discharge Tube (Voltage regulator) 87 V voltage reference 128 • 160 • 310 • 310A • 502 • 503 • 504 • 511A • 512 • 516 • 517 • 524 • 526 • 531 • 531A • 535 • 536 • 541 • 541A • 543 • 543A • 543B • 545 • 545A • 545B • 570 • 549 • 581 • 581A • 585 • 585A
6080 154-0056-00 • 154-0315-00 Vacuum Tube (Dual Triode) dual power triode 132 • 160 • 316 • 317 • 516 • 535 • 535A • RM35A • 541 • 541A • 535 • 536 • 545 • 545A • 545B • 546 • 547 • 549 • 565 • 567 • 575 • 581 • 581A • 585 • 585A
6939 Vacuum Tube (Dual Tetrode) dual tetrode 581 • 585
6AL5 154-016 • 154-0016-00 • 154-0038-00 Vacuum Tube (Dual Diode) high-perveance dual diode 163 • 181 • 190 • 1M1 • 310 • 310A • 315 • 316 • 317 • 3B1 • 3B1S • 3B2 • 3B3 • 3B5 • 502 • 502A • 503 • 511 • 511A • 512 • 516 • 517 • 517A • 524 • 526 • 535 • 535A • 545 • 545A • 549 • 551 • 565 • 570 • 581 • 581A • 585 • 585A • C • T • Telequipment D52 • Telequipment D56 • Telequipment S52
6AU5 154-021 • 154-0021-00 Vacuum Tube (Pentode) 10 W beam power pentode 507 • 513 • 516 • 517 • 517A • 531 • 535 • 541 • 535 • 545 • 547 • 581 • 581A • 585 • 585A
6AU6 154-0022-00 • 157-0073-00 • 157-0059-00 • 154-0284-00 Vacuum Tube (Pentode) RF pentode 107 • 160 • 181 • 190 • 60 • 2A60 • 72 • 3A72 • 3C66 • 310 • 310A • 316 • 317 • 360 • 502 • 502A • 506 • 511 • 511A • 512 • 513 • 516 • 517 • 517A • 524 • 526 • 529 • RM529 • 531 • 531A • 535 • 536 • 545 • 545A • 546 • 547 • 549 • 555 • 561 • 561A • 561S • 564 • 565 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 80 • C • CA • Q
6CL6 154-031 • 154-0031-00 • 154-0286-00 Vacuum Tube (Pentode) 7.5 W power pentode 132 • 310 • 310A • 316 • 317 • 515 • 524 • 525 • 531 • 535 • 535A • 545 • 545A • 545B • 549 • 570 • 581 • 581A • 585 • 585A • 3A74
6CY5 154-0207-00 Vacuum Tube (Tetrode) tetrode 581 • 585 • 581A • 585A
6DJ8 154-0187-00 • 154-0305-00 Vacuum Tube (Dual Triode) dual triode 067-506 • 111 • 132 • 161 • 310A • 316 • 317 • 502 • 502A • 503 • 504 • 506 • 515 • 516 • 519 • 526 • 529 • RM529 • 533 • 535 • 536 • 543 • 544 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 556 • 561A • 561S • 564 • 565 • 567 • 581 • 581A • 585 • 585A • 661 • 1A4 • 1S1 • 60 • 2A60 • 63 • 2A63 • 67 • 2B67 • 3A1 • 3A1S • 3A2 • 3A3 • 3A6 • 3A7 • 72 • 3A72 • 75 • 3A75 • 4S2 • 51 • 3B1 • 3B1S • 3B2 • 3B3 • 3B4 • 3M1 • 3S76 • 3T77 • 3T77A • 9A1 • 9A2 • 1121 • 80 • 81 • 82 • 86 • B • O • W • Z • Telequipment D56 • Telequipment S32A • Telequipment D52 • S-311 • Telequipment TD51 • Telequipment S52 • Telequipment S51 • Telequipment Type A • TU-4
6EW6 154-0212-00 Vacuum Tube (Pentode) pentode 106 • 132 • 360 • 51 • 527 • 581 • 581A • 585 • 585A • 3T77 • 3T77A
6NO45 Discrete component 6.3 V / 500 mA, 45-second delay relay 581 • 585
7699 Vacuum Tube (Dual Tetrode) dual tetrode 581 • 585
NE-2 150-002 • 150-0002-00 Gas Discharge Tube (neon lamp) Neon lamp 511 • 511A • 581 • 581A • 585 • 585A • 545A • TU-4
OC171 152-0102-00 Discrete component Germanium PNP transistor 581 • 585
STD615 152-0102-00 Discrete component 10 mA, 28 pF germanium tunnel diode 581 • 585 • TU-5
T581 154-0224-00 • 154-0228-00 • 154-0229-00 • 154-0230-00 • 154-0297-00 • 154-0354-00 • 154-0396-00 • 154-0435-00 • 154-0445-00 • 154-0446-00 • 154-0479-00 • 154-0479-01 • 154-0479-02 CRT CRT 581 • 585


Some Parts Used in the 585A

Part Part Number(s) Class Description Used in
120-0141-00 120-0141-00 Discrete component power transformer 581 • 581A • 585 • 585A
12AU7 154-041 • 154-0041-00 • 154-0287-00 Vacuum Tube (Dual Triode) dual medium-μ triode 104 • 104A • 122 • 160 • 161 • 162 • 181 • 190 • 310 • 310A • 316 • 317 • 3C66 • 502 • 502A • 507 • 511A • 512 • 516 • 517 • 517A • 524 • 526 • 535 • 536 • 545 • 545A • 545B • 547 • 549 • 555 • 561 • 564 • 570 • 575 • 581 • 581A • 585 • 585A • C • D • E • N • Q • Hickok 1825
12AX7 154-043 • 154-0043-00 Vacuum Tube (Dual Triode) dual triode 3C66 • 513 • 524 • 531 • 531A • 535 • 536 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 570 • 581 • 581A • 585 • 585A • E • Q • Hickok 1825 • Keithley 610
12B4 154-044 • 154-0044-00 Vacuum Tube (Triode) power triode 126 • 310 • 310A • 316 • 317 • 502 • 502A • 524 • 526 • 541 • 541A • 535 • 535A • 545 • 545A • 546 • 547 • 570 • 549 • 551 • 555 • 513 • 581 • 581A • 585 • 585A • Keithley 610
1N3848 152-0140-00 Discrete component 10 mA, 25 pF tunnel diode 581A • 585A • RM585A • 7B52 • S-53
2N2048 151-076 • 151-0076-00 Discrete component germanium PNP switching transistor 585A
5642 154-0051-00 • 154-0079-00 Vacuum Tube (Diode) directly-heated high-voltage rectifier 310 • 310A • 316 • 317 • 360 • 453 • 502 • 502A • 503 • 504 • 506 • 513 • 515 • 516 • 524 • 529 • RM529 • 533 • 533A • 535 • 536 • 543 • 543A • 543B • 545 • 545A • 545B • 547 • 551 • 555 • 556 • 560 • 561 • 561A • 561S • 564 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 647 • 647A
5651 154-052 • 154-0052-00 • 154-0288-00 Gas Discharge Tube (Voltage regulator) 87 V voltage reference 128 • 160 • 310 • 310A • 502 • 503 • 504 • 511A • 512 • 516 • 517 • 524 • 526 • 531 • 531A • 535 • 536 • 541 • 541A • 543 • 543A • 543B • 545 • 545A • 545B • 570 • 549 • 581 • 581A • 585 • 585A
6080 154-0056-00 • 154-0315-00 Vacuum Tube (Dual Triode) dual power triode 132 • 160 • 316 • 317 • 516 • 535 • 535A • RM35A • 541 • 541A • 535 • 536 • 545 • 545A • 545B • 546 • 547 • 549 • 565 • 567 • 575 • 581 • 581A • 585 • 585A
6AL5 154-016 • 154-0016-00 • 154-0038-00 Vacuum Tube (Dual Diode) high-perveance dual diode 163 • 181 • 190 • 1M1 • 310 • 310A • 315 • 316 • 317 • 3B1 • 3B1S • 3B2 • 3B3 • 3B5 • 502 • 502A • 503 • 511 • 511A • 512 • 516 • 517 • 517A • 524 • 526 • 535 • 535A • 545 • 545A • 549 • 551 • 565 • 570 • 581 • 581A • 585 • 585A • C • T • Telequipment D52 • Telequipment D56 • Telequipment S52
6AU5 154-021 • 154-0021-00 Vacuum Tube (Pentode) 10 W beam power pentode 507 • 513 • 516 • 517 • 517A • 531 • 535 • 541 • 535 • 545 • 547 • 581 • 581A • 585 • 585A
6AU6 154-0022-00 • 157-0073-00 • 157-0059-00 • 154-0284-00 Vacuum Tube (Pentode) RF pentode 107 • 160 • 181 • 190 • 60 • 2A60 • 72 • 3A72 • 3C66 • 310 • 310A • 316 • 317 • 360 • 502 • 502A • 506 • 511 • 511A • 512 • 513 • 516 • 517 • 517A • 524 • 526 • 529 • RM529 • 531 • 531A • 535 • 536 • 545 • 545A • 546 • 547 • 549 • 555 • 561 • 561A • 561S • 564 • 565 • 567 • 570 • 575 • 581 • 581A • 585 • 585A • 80 • C • CA • Q
6CL6 154-031 • 154-0031-00 • 154-0286-00 Vacuum Tube (Pentode) 7.5 W power pentode 132 • 310 • 310A • 316 • 317 • 515 • 524 • 525 • 531 • 535 • 535A • 545 • 545A • 545B • 549 • 570 • 581 • 581A • 585 • 585A • 3A74
6CY5 154-0207-00 Vacuum Tube (Tetrode) tetrode 581 • 585 • 581A • 585A
6DJ8 154-0187-00 • 154-0305-00 Vacuum Tube (Dual Triode) dual triode 067-506 • 111 • 132 • 161 • 310A • 316 • 317 • 502 • 502A • 503 • 504 • 506 • 515 • 516 • 519 • 526 • 529 • RM529 • 533 • 535 • 536 • 543 • 544 • 545 • 545A • 545B • 546 • 547 • 549 • 555 • 556 • 561A • 561S • 564 • 565 • 567 • 581 • 581A • 585 • 585A • 661 • 1A4 • 1S1 • 60 • 2A60 • 63 • 2A63 • 67 • 2B67 • 3A1 • 3A1S • 3A2 • 3A3 • 3A6 • 3A7 • 72 • 3A72 • 75 • 3A75 • 4S2 • 51 • 3B1 • 3B1S • 3B2 • 3B3 • 3B4 • 3M1 • 3S76 • 3T77 • 3T77A • 9A1 • 9A2 • 1121 • 80 • 81 • 82 • 86 • B • O • W • Z • Telequipment D56 • Telequipment S32A • Telequipment D52 • S-311 • Telequipment TD51 • Telequipment S52 • Telequipment S51 • Telequipment Type A • TU-4
6EW6 154-0212-00 Vacuum Tube (Pentode) pentode 106 • 132 • 360 • 51 • 527 • 581 • 581A • 585 • 585A • 3T77 • 3T77A
7788 154-0420-00 Vacuum Tube (Pentode) long life, shock and vibration resistant pentode 529 • RM529 • 581A • 585A • RM581 • RM585 • Telequipment D56 • 545B
8426 Vacuum Tube (Pentode) RF pentode O • 545A • 547 • 549 • 581A • 585A
NE-2 150-002 • 150-0002-00 Gas Discharge Tube (neon lamp) Neon lamp 511 • 511A • 581 • 581A • 585 • 585A • 545A • TU-4
SMTD995 152-0140-01 Discrete component 10 mA, 8 pF tunnel diode 1S1 • 1S2 • 1502 • 21A • 22A • 3T5 • 3T6 • 475 • 475A • 475M • 544 • R544 • 546 • RM546 • 547 • RM547 • 556 • R556 • 581A • 585A • RM585 • 7B52 • 7B53N • 7B70 • 7B71 • 7D10 • 7D11 • 7T11 • 7T11A • R7912 • S-51 • S-52 • TU-5 • 067-0572-00 • 067-0572-01 • 067-0681-00
T5810 154-0479-00 • 154-0479-01 • 154-0479-02 CRT CRT 581A • 585A


Some plug-ins / accessories compatible with 580-series scopes

Page Manufacturer Model Description Introduced Discontinued
80 Tektronix 80 vertical amplifier 1959 (?)
81 Tektronix Type 81 plug-in adapter 1960 1972
82 Tektronix 82 85 MHz dual-trace amplifier 1962 1972
84 Tektronix 84 calibration fixture 1962 (?)
86 Tektronix 86 vertical amplifier 1963 1972
TU-3 Tektronix calibration fixture (?) (?)
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