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{{Oscilloscope Sidebar |
{{Instrument Sidebar  
title=Tektronix 545 |
|manufacturer=Tektronix
image=Tek_545a_291_1.jpg |
|model=545  
caption=Tektronix 545A front view |
|class=Oscilloscope
introduced=1955 |
|series=500-series scopes
discontinued=1974 |
|image=Tek_545a_291_1.jpg  
summary=30 (33) MHz oscilloscope |
|caption=Tektronix 545A front view  
manuals=
|introduced=1955  
* [http://w140.com/mmm/tek-545.pdf Tektronix 545 Manual (PDF)]
|discontinued=1974  
* [[Media:070-163.pdf|545A Instruction]] (OCR PDF, 20M)
|summary=30 (33) MHz oscilloscope
* [http://bama.edebris.com/download/tek/545b/545b.djvu Tektronix 545B Manual (PDF)]
|designers=John Gates;Dave Barton;Bob Shand
* [http://w140.com/535_545_operators_handbook.pdf Tektronix 535 and 545 Operators Handbook (PDF, OCR)]
|manuals=
'''Maintenance and calibration'''
'''545'''
* [http://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier (PDF, OCR)]
* [[Media:070-198.pdf|Tektronix 545 Manual]]
* [http://w140.com/tek_fcp/tek_adjust_540_vert_delay.pdf How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope (PDF)]
* [[Media:535_545_operators_handbook.pdf|Tektronix 535 and 545 Operators Handbook]] (OCR)
* [http://w140.com/navair_17-20aw-08.pdf Navair 17-20AW-08 Manual, which discusses the 545 (PDF)]
* [[Media:tek_545_fcp.pdf|545 Factory Calibration Procedure, September 1959]] (OCR)
* [[Media:Tek 545b irb.pdf|Tektronix 545B Instrument Reference Book (OCR, PDF)]]
* [[Media:Tek_545_calibration_and_maintenance_procedure.pdf|Tektronix 545 Calibration and Maintenance Procedure]]
* [[Media:tek_545_calibration_maintenance_proc.pdf|Tektronix 545 Calibration and Maintenance Procedure]] (bad-OCR)
* [[Media:Tek 545 mod 112.pdf|Tektronix 545 Mod 112]]
 
'''545A'''
* [[Media:070-163.pdf|545A Instruction]] (OCR)
* [[Media:Using your 535A or 545A.pdf|Using your 535A or 545A (1960)]]
* [[Media:Operators Handbook 535A 545A 1959.pdf|Tektronix 535A and 545A Operator's Handbook 1959]]
* [[Media:tek_545a_fcp_early.pdf|545A Factory Calibration Procedure, January 1961]] (OCR)
* [[Media:tek_545a_fcp.pdf|545A Factory Calibration Procedure, July 1961]] (OCR)


* [[Media:tek_545_fcp.pdf|545 Factory Calibration Procedure, September 1959 (PDF, OCR)]]
'''545B'''
* [[Media:tek_545a_fcp_early.pdf|545A Factory Calibration Procedure (January 1961, PDF, OCR)]]
* [[Media:070-428.pdf|Tektronix 545B Manual 070-428]]<br /><small>Alternate: [https://bama.edebris.com/download/tek/545b/545b.djvu DJVu @ BAMA]</small>
* [[Media:tek_545a_fcp.pdf|545A Factory Calibration Procedure (July 1961, PDF, OCR)]]
* ''[[Media:070-438.pdf|RM543B manual 070-438 needed]]''
* [http://w140.com/tek_545_calibration_and_maintenance_procedure.pdf Tektronix 545 Calibration and Maintenance Procedure (PDF)]
* [[Media:Tek 545b irb.pdf|Tektronix 545B Instrument Reference Book]] (OCR)
* [[Media:tek_545_calibration_maintenance_proc.pdf|Tektronix 545 Calibration and Maintenance Procedure (PDF, OCR, bad-OCR)]]
* [[Media:Tek 545b fcp jan 1966.pdf|Tektronix 545B Factory Calibration Procedure, January 1966]]
* [[Media:Tek 545b fcp tlc up to jan 1969.pdf|Tektronix 545B Factory Calibration Procedure, January 1969]]
* [[Media:Tek 545b eis march 1964.pdf|Tektronix 545B Engineering Instrument Specification]]


<!-- * [http://bama.edebris.com/download/tek/545a(2)/Tek%20545a(2).pdf Tektronix 545A Manual (PDF)] -->
'''Maintenance and calibration'''
<!-- * [http://w140.com/tek_fcp/tek_545a_fac_cal.pdf 545A Factory Calibration Procedure (July 1961, PDF)] -->
* [https://w140.com/tek_balancing_545_vert.pdf Balancing the 540-Series Vertical Amplifier] (OCR)
<!-- * [http://w140.com/tek_fcp/tek_545_fac_cal.pdf 545 Factory Calibration Procedure (PDF)] -->
* [https://w140.com/tek_fcp/tek_adjust_540_vert_delay.pdf How to Adjust the Vertical Amplifier and Delay Line of a 540-Series Oscilloscope]
<!-- * [http://w140.com/tek_545a_factory_calibration_procedure_early.pdf 545A Factory Calibration Procedure (January 1961, PDF)] -->
* [https://w140.com/navair_17-20aw-08.pdf Navair 17-20AW-08 Manual, which discusses the 545]
}}
}}
The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]].   
The '''Tektronix Type 545''' is a 30 (33) MHz scope that takes [[letter-series and 1-series plug-ins]].  It has two timebases, which allows delayed triggering.  The 545 was designed by [[John Gates]], [[Dave Barton]], and [[Bob Shand]].
It has two timebases, which allows delayed triggering.   
 
Type 545 was [[introduced in 1955|introduced February 7th, 1955]] along with Type [[541]], and superseded in 1959 by Type 545A,
which was in turn superseded in 1964 by Type 545B, which was produced until 1973.  Type [[543]], which is a 541 with 100x sweep magnifier, was [[introduced in 1958]].


Type 545 was [[introduced in 1955|introduced February 7th, 1955]] along with the Type [[541]], and superseded in 1959 by the Type 545A, which was in turn superseded in 1964 by the Type 545B, which was produced until 1973.
The difference between the 545A and 545 is the control ergonomics, not any major circuit design changes. 
The difference between the 545A and 545 is the control ergonomics, not any major circuit design changes.
The main improvement was to replace a pair of switches for the time base (8-position Time/Div and 6-position multiplier)
However, the delaying timebase on the 545A supports delays up to 10 seconds while the 545 supports delays only up to 100 milliseconds.
with a single 24-position switch, freeing up front panel space for a Time Base B Trigger Mode rotary switch.
Additionally, the delaying timebase on the 545A supports delays up to 10 seconds while the 545 supports delays only up to 100 milliseconds.


The older 545 uses the [[T54|T54 / 5BHP2]] CRT, P2 [[phosphor]] was standard.  
The older 545 uses the [[T54|T54 / 5BHP2]] CRT, P2 [[phosphor]] was standard.  
Line 41: Line 55:
== Versions ==
== Versions ==
There were also rack-mount versions.  Types RM41 and RM45 were [[introduced in 1957|introduced in October 1957]],
There were also rack-mount versions.  Types RM41 and RM45 were [[introduced in 1957|introduced in October 1957]],
Types RM41A and RM45A were [[introduced in 1959|introduced in May 1959]] simultaneously with their bench counterparts, and the rackmount Type RM545B or R545B was introduced at the same time as Type 545B.
Types RM41A and RM45A were [[introduced in 1959|introduced in May 1959]] simultaneously with their bench counterparts,  
and the rackmount Type RM545B or R545B was introduced at the same time as Type 545B.


Clones of the 545A are the [[Lavoie LA-265A]] and [[Hickok 1805A]].  These clones were not licensed by Tektronix.
Clones of the 545A are the [[Lavoie LA-265A]] and [[Hickok 1805A]].  These clones were not licensed by Tektronix.


=== Relationship of 545B to 547 ===
=== Relationship of 545B to 547 ===
Some feel that [[547|Type 547]] replaced Type 545, but this is not quite true; Types 545B and [[546]]/[[547]] were introduced simultaneously.
Some feel that [[547|Type 547]] replaced Type 545, but this is not quite true; Types 545B and [[546]]/[[547]] were introduced simultaneously ([[introduced in 1964|1964]]).
It is more correct to say that the 50 MHz 546 and 547 were upgrades. (The Type 544 is likewise the upgrade for the 541.)
It is more correct to say that the 50 MHz 546 and 547 were upgrades. (Type 544 is likewise the upgrade for 541/543.)


The Type [[K|53K/54K]] plug-in was introduced with the 545 and 541, and until Type [[L|53/54L]] came out in 1957,  
The Type [[K|53K/54K]] plug-in was introduced with the 545 and 541, and until Type [[L|53/54L]] came out in 1957,  
Line 55: Line 70:
{{BeginSpecs}}
{{BeginSpecs}}
{{Spec | Bandwidth | 30 MHz (33 MHz with a 50 MHz plug-in such as Type [[1A1]]) }}
{{Spec | Bandwidth | 30 MHz (33 MHz with a 50 MHz plug-in such as Type [[1A1]]) }}
{{SpecGroup|545B}}
{{Spec | Sweep  | 0.1 μs/div to 5 s/div, 1−2−5 }}
{{Spec | CRT    | [[T5470]]-31-2, 10 kV acceleration }}
{{Spec | Probes | 2 P6006 probes with BNC connectors }}
{{EndSpecs}}
{{EndSpecs}}


''please add''
''please add''
==Links==
{{Documents|Link=545}}
{{Documents|Link=545A}}
{{Documents|Link=545B}}
{{PatentLinks|545}}
{{PatentLinks|545A}}
{{PatentLinks|545B}}


==Internals==
==Internals==


Early 545 units have [[selenium rectifiers]].  Later units have silicon rectifiers.
Early 545 units have [[selenium rectifiers]].  Later units have silicon rectifiers.
A modification kit, [[040-0395-00]], converts a 545 from selenium rectifiers to silicon rectifiers.


The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.  NPN transistors are used in the 545B trigger circuit.
The trigger circuit used a [[6DJ8]] tube in the 545 and 545A.  NPN transistors are used in the 545B trigger circuit.


=== 545 and 545A Vertical Path ===
=== 545 and 545A Vertical Path ===
Types 545 and 545A have a six stage differential [[distributed amplifier|distributed vertical amplifier]]
Types 545 and 545A have a six stage differential [[distributed amplifier|distributed vertical amplifier]] made of twelve [[6DK6]] tubes.   
made of twelve [[6DK6]] tubes.   
The vertical amplifier used in the 545A is also used in the [[551]] and [[555]].
The vertical amplifier used in the 545A is also used in the [[551]] and [[555]].
The 545 uses the [[154-098]] CRT.  With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff.   
The 545 uses the [[154-098]] CRT.  With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff.   
The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line.  The lower bandwidth 531 and 535 retained the 6 vertical divisions, as used in most other Tektronix scopes.
The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line.   
In the 545, the distributed vertical amplifier's plate supply was not separately fused.
The lower bandwidth 531/[[Type 533|533]]/535 retained the 6 vertical divisions, as used in most other Tektronix scopes.
Shorting the outputs of the vertical amplifier to ground can cause major damage.
Shorting the outputs of the vertical amplifier to ground can cause expensive damage by burning out the termination resistor network.
In the 545A, there is a 150 mA fuse, F1054, preventing such damage.
Starting at Type 545A serial number 29960, there is a 150 mA fuse, F1054, to prevent that failure. 
This change was made available for instruments already built, in Modification Kit 040-227.


=== 545B Vertical Path ===
=== 545B Vertical Path ===
The Type 545B differs significantly from the 545 and 545A.   
Type 545B differs significantly from the 545 and 545A.
It has a partly solid-state, non-distributed vertical amp, and uses the [[154-0478-00]] CRT which is also used in the [[544]], [[546]], and [[547]].  Improvements in CRT design, including reduced deflection plate capacitance and increased sensitivity increased the vertical scale in the 545B from 4 to 6 divisions.  The improved CRT also uses a ceramic envelope, with flat glass faceplate that has internal graticule markings, eliminating parallax errors.
It was designed by [[Dave Barton]].   
 
It has a partly solid-state, non-distributed vertical amp, and uses the [[154-0478-00]] CRT which is also used in the [[544]], [[546]], and [[547]].  Improvements in CRT design, including reduced deflection plate capacitance and increased sensitivity, increased the vertical scale in the 545B from 4 to 6 divisions.  The improved CRT also uses a ceramic envelope, with a flat glass faceplate with internal graticule markings to eliminate parallax errors.
Ken Chorney says:
<blockquote>
Just wanted to add an alternative supplier for replacement fan mounts for the Tektronix 545 oscilloscope fan.
Digi-Key currently stocks two part numbers which fit and work perfectly: RPC1597-ND and EAR1345-ND.
Both are 1/2" length (same as original) and both have 8-32 male threaded ends (same as original).
Both are slightly smaller in diameter (0.4" vs. the 0.5" originals) but this does not affect their fit at all and likely does not affect their function appreciably.
I have installed three of the RPC1597-ND standoffs in my 545 and they fit and work perfectly.
</blockquote>


==Links==
==Links==
Line 106: Line 128:
Tek 545 distributed amplifier on.jpg|Distributed amplifier
Tek 545 distributed amplifier on.jpg|Distributed amplifier
Tek 545 vertical rackmount.jpg|545 in vertical rackmount form
Tek 545 vertical rackmount.jpg|545 in vertical rackmount form
Tek 545 silicon rectifier mod.JPG|545 with mod that adds silicon rectifiers in place of selenium rectifiers
Tek 545 ad - Electronics - 1955-08.jpg | Tek 545 ad, ''Electronics'', August 1955
</gallery>
</gallery>


===545A===
===545A===
<gallery>
<gallery>
Tek-545A-front.jpg
Tek 545a 291 1.jpg        | 545A front
Tek 545a 291 1.jpg        | 545A front
Tek 545a 291 2.jpg
Tek 545a 291 2.jpg
Line 115: Line 140:
Tek 545a 291 4.jpg
Tek 545a 291 4.jpg
Tek 545a 291 5.jpg
Tek 545a 291 5.jpg
Tek 545a 291 6.jpg
Tek 545a 291 6.jpg       | 545A interior, right side
Tek 545a 291 7.jpg
Tek 545a 291 7.jpg       | 545A interior, left side
Tek-545a-right1.jpg      | 545A interior, right side detail (time base B chassis open)
Tek-545a-timebase-a.jpg  | 545A interior, right side detail (time base A)
Tek-545a-timebase-b.jpg  | 545A interior, right side detail (time base B)
Tek-545a-hv-1.jpg        | 545A interior, HV supply
Tek-545a-hv-2.jpg        | 545A interior, HV supply
Tek-545a-hv-osc.jpg      | 545A interior, HV oscillator tube
Tek-545a-rectifier.jpg    | 545A interior, rectifier
Tek-545a-bottom1.jpg      | 545A interior, bottom view
Tek-545a-bottom2.jpg      | 545A interior, bottom view (DC voltage regulator section detail)
Tek-545a-bottom3.jpg      | 545A interior, bottom view (distributed amplifier section detail)
Tek 545a delay line.jpg  | 545A Delay line
Tek 545a delay line.jpg  | 545A Delay line
Tek_545a_blockdiagram.png | 545A block diagram
Tek_545a_blockdiagram.png | 545A block diagram
Line 185: Line 220:
</gallery>
</gallery>


==Components==
{{Parts|545}}
{{Parts|RM45}}
{{Parts|545A}}
{{Parts|545B}}
{{Parts|RM545B}}


[[Category:500 series scopes]]
[[Category:500 series scopes]]
[[Category:Introduced in 1955]]

Latest revision as of 14:33, 18 August 2024

Tektronix 545
30 (33) MHz oscilloscope
Tektronix 545A front view

Produced from 1955 to 1974

Manuals

545

545A

545B

Maintenance and calibration

(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix Type 545 is a 30 (33) MHz scope that takes letter-series and 1-series plug-ins. It has two timebases, which allows delayed triggering. The 545 was designed by John Gates, Dave Barton, and Bob Shand.

Type 545 was introduced February 7th, 1955 along with Type 541, and superseded in 1959 by Type 545A, which was in turn superseded in 1964 by Type 545B, which was produced until 1973. Type 543, which is a 541 with 100x sweep magnifier, was introduced in 1958.

The difference between the 545A and 545 is the control ergonomics, not any major circuit design changes. The main improvement was to replace a pair of switches for the time base (8-position Time/Div and 6-position multiplier) with a single 24-position switch, freeing up front panel space for a Time Base B Trigger Mode rotary switch. Additionally, the delaying timebase on the 545A supports delays up to 10 seconds while the 545 supports delays only up to 100 milliseconds.

The older 545 uses the T54 / 5BHP2 CRT, P2 phosphor was standard. The 545A uses the T5430 CRT for which also P2 phosphor was standard. The newer 545B came with the further improved T5470 CRT (also used in the 543B, 544, 546 and 547) and P31 phosphor as standard.

Versions

There were also rack-mount versions. Types RM41 and RM45 were introduced in October 1957, Types RM41A and RM45A were introduced in May 1959 simultaneously with their bench counterparts, and the rackmount Type RM545B or R545B was introduced at the same time as Type 545B.

Clones of the 545A are the Lavoie LA-265A and Hickok 1805A. These clones were not licensed by Tektronix.

Relationship of 545B to 547

Some feel that Type 547 replaced Type 545, but this is not quite true; Types 545B and 546/547 were introduced simultaneously (1964). It is more correct to say that the 50 MHz 546 and 547 were upgrades. (Type 544 is likewise the upgrade for 541/543.)

The Type 53K/54K plug-in was introduced with the 545 and 541, and until Type 53/54L came out in 1957, it was the only plug-in that could take full advantage of their bandwidth. There was never a full-speed dual-trace plug-in — that would wait until Types 1A1 and 1A2, which came out with the 545B.

Key Specifications

Bandwidth 30 MHz (33 MHz with a 50 MHz plug-in such as Type 1A1)
     — 545B —
Sweep 0.1 μs/div to 5 s/div, 1−2−5
CRT T5470-31-2, 10 kV acceleration
Probes 2 P6006 probes with BNC connectors

please add

Links

Documents Referencing 545

(no results)

Documents Referencing 545A

Document Class Title Authors Year Links
IBM 223-6725-2.pdf Application Note Tektronix oscilloscopes (IBM Customer Engineering Manual) 1960 310 • 310A • 531 • 531A • 535 • 535A • 545A • B • C • CA • D • G

Documents Referencing 545B

Document Class Title Authors Year Links
Service Scope 44 Jun 1967.pdf Article A Practical Approach to Transistor and Vacuum Tube Amplifiers, Part 3 - A DC Analysis of a Typical Tektronix Hybrid Circuit Fred Beckett 1967 545B

Patents that may apply to 545

Page Title Inventors Filing date Grant date Links
Patent GB 460562A Improvements In and Relating to Thermionic Valve Circuits W.S.Percival 1935-07-24 1937-01-25 Distributed amplifier • 513 • 514 • 517 • 524 • 541 • 543 • 545 • 551 • 555 • 581 • 585 • 82 • 86 • 945
Patent US 2930986A Distributed amplifier John Kobbe • Bill Polits 1956-02-29 1960-03-29 Distributed amplifier • 513 • 514 • 517 • 524 • 541 • 543 • 545 • 551 • 555 • 581 • 585 • 82 • 86 • 945

Patents that may apply to 545B

Page Title Inventors Filing date Grant date Links
Patent US 3453403A Power selection device Eldon Hoffman 1966-08-18 1969-07-01 115 • 140 • 141 • 141A • 144 • 145 • 146 • 147 • 148 • 149 • 149A • 230 • 284 • 286 • 453 • 454 • 491 • 520A • 521A • 522 • 545B • 547 • 556 • 561B • 564B • 568 • 576 • 611 • 647A • 2101 • 2601 • 5030 • R5030 • 5031 • R5031 • 7503 • 7504 • 7704 • 7704A • 7904 • R7903

Internals

Early 545 units have selenium rectifiers. Later units have silicon rectifiers. A modification kit, 040-0395-00, converts a 545 from selenium rectifiers to silicon rectifiers.

The trigger circuit used a 6DJ8 tube in the 545 and 545A. NPN transistors are used in the 545B trigger circuit.

545 and 545A Vertical Path

Types 545 and 545A have a six stage differential distributed vertical amplifier made of twelve 6DK6 tubes. The vertical amplifier used in the 545A is also used in the 551 and 555. The 545 uses the 154-098 CRT. With the limited CRT technology available at the time, the higher bandwidth of the 541 and 545 came with a tradeoff. The vertical scale is only 4 divisions, 2 above and 2 below the graticule center line. The lower bandwidth 531/533/535 retained the 6 vertical divisions, as used in most other Tektronix scopes. Shorting the outputs of the vertical amplifier to ground can cause expensive damage by burning out the termination resistor network. Starting at Type 545A serial number 29960, there is a 150 mA fuse, F1054, to prevent that failure. This change was made available for instruments already built, in Modification Kit 040-227.

545B Vertical Path

Type 545B differs significantly from the 545 and 545A. It was designed by Dave Barton. It has a partly solid-state, non-distributed vertical amp, and uses the 154-0478-00 CRT which is also used in the 544, 546, and 547. Improvements in CRT design, including reduced deflection plate capacitance and increased sensitivity, increased the vertical scale in the 545B from 4 to 6 divisions. The improved CRT also uses a ceramic envelope, with a flat glass faceplate with internal graticule markings to eliminate parallax errors.

Links

Pictures

545

  • 545, early style

    545, early style

  • 545, early style

    545, early style

  • 545, early style

    545, early style

  • 545, early style

    545, early style

  • 545, early style

    545, early style

  • 545, early style

    545, early style

  • Distributed amplifier

    Distributed amplifier

  • 545 in vertical rackmount form

    545 in vertical rackmount form

  • 545 with mod that adds silicon rectifiers in place of selenium rectifiers

    545 with mod that adds silicon rectifiers in place of selenium rectifiers

  • Tek 545 ad, Electronics, August 1955

    Tek 545 ad, Electronics, August 1955

545A

  • 545A front

    545A front

  • 545A interior, right side

    545A interior, right side

  • 545A interior, left side

    545A interior, left side

  • 545A interior, right side detail (time base B chassis open)

    545A interior, right side detail (time base B chassis open)

  • 545A interior, right side detail (time base A)

    545A interior, right side detail (time base A)

  • 545A interior, right side detail (time base B)

    545A interior, right side detail (time base B)

  • 545A interior, HV supply

    545A interior, HV supply

  • 545A interior, HV supply

    545A interior, HV supply

  • 545A interior, HV oscillator tube

    545A interior, HV oscillator tube

  • 545A interior, rectifier

    545A interior, rectifier

  • 545A interior, bottom view

    545A interior, bottom view

  • 545A interior, bottom view (DC voltage regulator section detail)

    545A interior, bottom view (DC voltage regulator section detail)

  • 545A interior, bottom view (distributed amplifier section detail)

    545A interior, bottom view (distributed amplifier section detail)

  • 545A Delay line

    545A Delay line

  • 545A block diagram

    545A block diagram

  • 545A signal path

    545A signal path

  • 545A trace

    545A trace

  • 545A handbook compartment

    545A handbook compartment

  • 545A handbook compartment

    545A handbook compartment

  • 545A on a Tek 202-1 cart

    545A on a Tek 202-1 cart

  • 545A controls

    545A controls

  • 545A trace

    545A trace

  • 545A trace

    545A trace

RM45A

  • RM45A, standard color

    RM45A, standard color

  • RM45A rear

    RM45A rear

  • Brown-face RM45A

    Brown-face RM45A

  • RM 45A with standard B timebase

    RM 45A with standard B timebase

  • RM 45A with raster B timebase, MOD 116B

    RM 45A with raster B timebase, MOD 116B

  • RM45A from NASA

    RM45A from NASA

545B

  • 545B front

    545B front

  • a british made 545B (Tektronix Guernsey LTD. )

    a british made 545B (Tektronix Guernsey LTD. )

  • 545B with Type M plug-in

    545B with Type M plug-in

  • 545B right side

    545B right side

  • 545B with 1A1

    545B with 1A1

  • 545B signal path

    545B signal path

  • 545B top

    545B top

  • 545B rear

    545B rear

  • 545B right internal

    545B right internal

  • 545B vertical output stage

    545B vertical output stage

  • 545B vertical output stage

    545B vertical output stage

  • 545B Block Diagram

    545B Block Diagram

  • 545B Power Supply

    545B Power Supply

  • 545B High Voltage Power Supply

    545B High Voltage Power Supply

  • 545B Calibrator

    545B Calibrator

  • 545B Trigger A

    545B Trigger A

  • 545B Timebase A

    545B Timebase A

  • 545B Trigger B

    545B Trigger B

  • 545B Timebase B

    545B Timebase B

  • 545B Horizontal Amp

    545B Horizontal Amp

  • 545B with 1S2

    545B with 1S2

  • 545B left internal

    545B left internal

  • 545B right internal

    545B right internal

  • 545B left external

    545B left external

  • 545B right external

    545B right external

  • 545B top external

    545B top external

  • 545B Squarewave

    545B Squarewave

RM545B

  • RM545B

    RM545B

Components

Some Parts Used in the 545

Part Part Number(s) Class Description Used in
12AL5 154-0038-00 Vacuum Tube (Double Diode) high-perveance dual diode 3A2 • 3B2 • 545 • 545A • 549 • N
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
12BY7A 154-047 • 154-0047-00 Vacuum Tube (Pentode) miniature 6.5 W power pentode 106 • 163 • 524 • 531 • 533 • 535 • 536 • 541 • 543 • 535 • 545 • 545A • 549 • 555 • 75 • 3A75 • 3B5
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
5BHP 154-0142-00 • 154-152 • 154-0409-00 • 154-409 • 154-0106-00 • 154-106 • 154-0098-00 • 154-098 • 154-0099-00 • 154-099 • 154-0104-00 • 154-104 CRT 5" CRT 541 • 545
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
6AW8 154-0095-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 132 • 160 • 541 • 535 • 545
6BQ7A 154-028 • 154-0028-00 • 157-0022-00 • 157-0003-00 Vacuum Tube (Dual Triode) dual triode 107 • 163 • 181 • 310 • 315 • 316 • 360 • 524 • 531 • 532 • 535 • 536 • 541 • 545 • 570 • T
6CB6A 154-0030-00 Vacuum Tube (Pentode) pentode 105 • 112 • 316 • 317 • 503 • 504 • 513 • 517 • 517A • 541 • 535 • 545 • 63 • 2A63
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
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
6DK6 154-0149-00 • 154-0367-00 Vacuum Tube (Pentode) high-frequency miniature pentode 180 • 503 • 513 • 514 • 541 • 543 • 535 • 545 • 545A • 551 • 555
6U8 154-0033-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 130 • 160 • 163 • 310 • 315 • 316 • 524 • 535 • 545 • T
T54 154-0098-00 • 154-0099-00 • 154-0104-00 • 154-0105-00 • 154-0106-00 • 154-0142-00 CRT CRT 541 • 545


Some Parts Used in the RM45

(no results)


Some Parts Used in the 545A

Part Part Number(s) Class Description Used in
12AL5 154-0038-00 Vacuum Tube (Double Diode) high-perveance dual diode 3A2 • 3B2 • 545 • 545A • 549 • N
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
12BY7A 154-047 • 154-0047-00 Vacuum Tube (Pentode) miniature 6.5 W power pentode 106 • 163 • 524 • 531 • 533 • 535 • 536 • 541 • 543 • 535 • 545 • 545A • 549 • 555 • 75 • 3A75 • 3B5
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
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
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
6DK6 154-0149-00 • 154-0367-00 Vacuum Tube (Pentode) high-frequency miniature pentode 180 • 503 • 513 • 514 • 541 • 543 • 535 • 545 • 545A • 551 • 555
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
T5430 154-0175-00 • 154-0758-00 • 154-0758-03 • 154-0758-04 • 154-0183-00 CRT 5" CRT 541A • 543 • 543A • 545A


Some Parts Used in the 545B

Part Part Number(s) Class Description Used in
120-0308-00 120-0308-00 Discrete component high voltage transformer 543B • 544 • 545B • 546 • 547
120-0344-00 120-0344-00 Discrete component power transformer 545B
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
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
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
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
7119 154-0340-00 Vacuum Tube (Dual Triode) dual triode 067-506 • 067-0532-00 • 191 • 3A3 • 3B4 • 3B5 • 516 • 545B • 549 • 661 • Chemtrix 205
7788 154-0420-00 Vacuum Tube (Pentode) long life, shock and vibration resistant pentode 529 • RM529 • 581A • 585A • RM581 • RM585 • Telequipment D56 • 545B
T5470 154-0429-00 • 154-0450-00 • 154-0451-00 • 154-0452-00 • 154-0457-00 • 154-0458-00 • 154-0459-00 • 154-0478-00 • 154-0478-01 • 154-0478-02 • 154-0478-03 • 154-0568-00 • 154-0568-01 • 154-0568-02 • 154-0568-03 CRT 5" electrostatic deflection CRT 543B • 544 • 545B • 546 • 547


Some Parts Used in the RM545B

(no results)
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