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{{Oscilloscope Sidebar|
{{Oscilloscope Sidebar  
title=Tektronix 310|
|manufacturer=Tektronix
image=Tek 310A-crop.jpg|
|series=300-series scopes
caption=Tektronix 310, front view|
|model=310A
years=1955 — ?|
|summary=4 MHz oscilloscope
summary=4 MHz oscilloscope|
|image=Tek_310A_front.jpg
manuals=
|caption=Tektronix 310A,front view
* [http://w140.com/tek_310_early.pdf Tektronix 310 Manual (early, PDF)]
|introduced=1955  
* [http://w140.com/tek_310a.pdf Tektronix 310A Manual (PDF)]
|discontinued=1972
* [http://w140.com/tek_310a.djvu Tektronix 310A Manual (DjVu)]
|designers=Frank Hood;John Kobbe
* [http://w140.com/tek_310_rough.pdf Tektronix 310 Manual (rough, PDF)]
|manuals=
* [http://w140.com/tek_fcp/tek_type_310_factory_cal_proc.pdf Tektronix 310 Factory Calibration Procedure (PDF)]
'''310'''
* [http://w140.com/tek_fcp/tek_type_310a_factory_cal_proc.pdf Tektronix 310A Factory Calibration Procedure (PDF)]
* [[Media:IM-310-2.pdf|Tektronix 310 Manual IM-310-2 (early)]]
* http://bama.edebris.com/manuals/tek/310a/
* [[Media:070-244.pdf|Tektronix 310/310A Manual 070-244]]
* [[Media:070-0892-00.pdf|Tektronix 310 Manual 070-0892-00]] (rough, bad-OCR)
* [[Media:Tek_310_ad_Electronics_May_1955.pdf|Tek 310 ad in Electronics, May 1955]]
'''310A'''
* [[Media:070-0893-00.pdf|Tektronix 310A Manual]] (OCR)<br /><small>Alternate: [https://w140.com/tek_310a.djvu DjVu] / [https://bama.edebris.com/manuals/tek/310a/ Tek 310A manuals @ BAMA]</small>
<small>
===Calibration Procedures===
* [[Media:tek_310_fcp.pdf|Tektronix 310 Factory Calibration Procedure]] (bad-OCR)
* [[Media:tek_310a_fcp.pdf|Tektronix 310A Factory Calibration Procedure]] (bad-OCR)
* [[Media:Tek 310a fcp oct 1968 with 1969 updates.pdf|Tektronix 310A Factory Calibration Procedure with 1969 updates]]
* [[Media:Tek 310a cal outline.pdf|Tektronix 310A Calibration Outline]] (OCR)
</small>
<small>
===Modifications===
* [[Media:Tek 310a mod 109a.pdf|Tektronix 310A Mod 109A, High-Altitude Modification]]
* [[Media:Tek 310a mod 812s.pdf|Tektronix 310A Mod 812S, Vertical Input Connector Changed to UHF]]
* [[Media:Tek 310a mod 222a.pdf|Boeing Black-out]]
* [[Media:Tek 310a mod 815e.pdf|Tektronix 310A Mod 812S, Trigger and Calibrator Connectors Changed to BNC]]
* [[Media:Tek 310a mod 812z.pdf|Tektronix 310A Mod 812S, Input, Trigger, and Calibrator Connectors Changed to UHF]]
* [[Media:Tek 310 silicon rectifier mod.pdf|Tektronix 310 Silicon Rectifier Mod]]
* [[Media:Tek 310a mod 119F.pdf|Tektronix 310A Mod 119F]]
* [[Media:Tek 310a mod 120H.pdf|Tektronix 310A Mod 120H]]
</small>
}}
}}
The Tektronix 310 is a compact portable oscilloscope [[introduced in 1955]].
The '''Tektronix 310''' is a compact portable oscilloscope, designed by [[Frank Hood]] and [[John Kobbe]], that was [[introduced in 1955]].
It is a 4MHz single-trace, single-timebase scope with a 3" (7.5cm) round CRT. 


==Specifications==
It is a 4 MHz single-trace, single-timebase scope with a 3" (7.5 cm) round CRT.


== Cooling ==
A revised version, the '''310A''', was [[introduced in 1959]]. 
The 310 is a tube scope and uses 175 watts, but it does not have a fan.  Therefore, it tends to run hot, particularly when used in a hot environment with still air.  It has a 165 degree Fahrenheit [[thermal cutoff]] switch
While the 310 used printed-circuit boards, the 310A returned to ceramic strip construction in the interest of reliability, a design revision that also occurred during production of the [[360]].
in series with the primary of the power transformer. For extended use in one place, a tilted fan base, the FB310 (part number 016-012) was available.  The fan base blows air upward through the perforated bottom panel of the 310.


The 310 is hinged at the rear, allowing reasonably convenient access to the circuitry despite the fact that the components are packed more densely than in other Tektronix scopes of the era.
The [[Hickok]] company produced a clone of the 310A under a US military contract as the [[Hickok AN/USM89B|AN/USM89B]].
 
{{BeginSpecs}}
{{Spec | Bandwidth      | 4 MHz (3.5 MHz below 0.1 V/Div, AC coupled) }}
{{Spec | Rise time      | 90 ns (100 ns below 0.1 V/Div, AC coupled) }}
{{Spec | Sweep          | 0.5 μs/Div to 0.2 s/Div 1–2–5 }}
{{Spec | Deflection      | 10 mV/Div to 50 V/Div, 1–2–5 (below 0.1 V/Div only AC coupled) }}
{{Spec | Input impedance | 1 MΩ // 40 pF }}
{{Spec | X input        | 1.5 V/Div (variable down), 500 kHz, 100 kΩ }}
{{Spec | Z input        | 20 V<sub>p-p</sub> at rear "CRT Cathode" binding post }}
{{Spec | Calibrator      | 50 mV<sub>p-p</sub> to 100 V<sub>p-p</sub>, 1–2–5; 1 kHz }}
{{Spec | Power          | 175 W }}
{{EndSpecs}}


== 310A ==
There is also a revised version, the 310A, [[introduced in 1959]]. 
The 310 uses printed-circuit boards but the 310A returned to ceramic strip construction. 
P2 [[phosphor]] was standard.  P1, P7 and P11 were also available.
P2 [[phosphor]] was standard.  P1, P7 and P11 were also available.


Is this the only time that a Tek design was moved from PCB back to ceramic strip?
==Links==
* [https://richardsears.wordpress.com/2011/11/18/tektronix-310a/ Richard Sears: Tektronix 310 and 310A]
* A Tek 310 restoration @ YouTube: [https://www.youtube.com/watch?v=Ef-6Vfx1oiY Part 1] / [https://www.youtube.com/watch?v=6HG49aX_TlM Part 2]
{{Documents|Link=310}}
{{Documents|Link=310A}}
{{PatentLinks|310}}
{{PatentLinks|310A}}
 
==Internals==
The scope cabinet was hinged to allow it to be opened like a book and operated for access to the circuitry for service purposes. 
 
===Cooling===
The 310 is a tube scope and consumes 175 watts, but it does not have a fan. 
It therefore tends to run hot, particularly when used in a hot environment with still air. 
It has a 74 °C (165 °F) [[thermal cutoff]] switch in series with the primary of the power transformer.


<gallery>
For extended use in one place, a tilted fan base, the [[FB310]] (part number 016-012) was available. 
Image:Tek 310 on base.jpg|310 on fan base
The fan base blows air upward through the perforated bottom panel of the 310.
File:Wellenkino 310a.jpg|310A
While the scope had universal primary wiring options, the fan base did not. Separate models were available for 115 V<sub>AC</sub> or 230 V<sub>AC</sub> operation.
</gallery>
 
The scope has feet on the rear panel to allow it to be operated on the floor with the front panel facing up, but the manual warns against prolonged operation in this orientation. 


This is a nearly true pure vacuum-tube scope, but in the power supply there are some silicon rectifiers  
===Components===
and in the circuit is one germanium point contact diode.
The 310 is a nearly true pure vacuum-tube scope, but in the power supply there are some silicon rectifiers, and there is one germanium point contact diode in the circuit.  
It is sometimes very useful because it contains a 1kHz calibrator output with up to 100V level combined with a step attenuator.


Early examples of the Tektronix Type 310A used commodity 3WPx CRTs.  At some point in production,
Early examples of the Tektronix Type 310A used commodity 3WPx CRTs.   
they switched to a Tek-made CRT, part number 154-366, which is compatible with the [[3WP2]].
At some point in production, they switched to the Tek-made [[T3100]] CRT, which is compatible with the [[3WP2]].


===310A changes===
Unlike later Tek instruments, where the incremental model designated by an “A” suffix only occurred with a significant specification or performance enhancement, the original 310 and 310A were essentially identical.   
Unlike later Tek instruments, where the incremental model designated by an “A” suffix only occurred with a significant specification or performance enhancement, the original 310 and 310A were essentially identical.   
They even shared the same manual and schematics.  The main difference was the wiring construction.   
They even shared the same manual and schematics.  The main difference was the wiring construction. <small>''needs to be checked - different tubes used according to the manuals'' </small>


The original 310 pioneered the use of circuit board construction, rather than the trusted ceramic strip point to point wiring.  The circuit boards were two sided, however plated through hole technology to interconnect the layers had not been invented yet. Rather, all of the holes for component mounting and interconnect contained a rivet  
The original 310 pioneered the use of circuit board construction, rather than the trusted ceramic strip point to point wiring.   
which was expanded in a press before the components were installed in the board.  The rivets themselves were not soldered to the copper foil traces, and relied on the pressure from the crimp to make contact.  This proved to be extremely unreliable, with many intermittent connections resulting in high warranty and after warranty failure.   
The circuit boards were two-sided, however, Tektronix did not use through-hole plating although this had been introduced in 1947<ref>https://www.acdi.com/a-peek-at-the-history-of-pcbs</ref>.
Rather, all of the holes for component mounting and interconnect contained a rivet which was expanded in a press before the components were installed in the board.   
The rivets themselves were not soldered to the copper foil traces, and relied on the pressure from the crimp to make contact.   
This proved to be extremely unreliable, with many intermittent connections resulting in high warranty- and after-warranty failure.   


The 310A model essentially used the identical circuit design, but returned to the trusted ceramic strip construction method.
The 310A model essentially used the identical circuit design, but returned to the trusted ceramic strip construction method.


The 310A also replaced the [[selenium rectifiers|selenium plate rectifiers]] in the power supply with silicon diodes.   
The 310A also replaced the [[selenium rectifiers|selenium plate rectifiers]] in the power supply with silicon diodes.   
Tek offered a retrofit kit, to be installed in the service centers, to upgrade older scopes with selenium rectifiers.
Tek offered a retrofit kit, to be installed in the service centers, to upgrade older scopes with selenium rectifiers.


During the lifespan of the 310, Tek evolved its color scheme.  The original 310 scopes had a case painted with a blue metallic hammer tone color.  Later units moved to the crinkled “Tek Blue” color still in use today.
===Other changes during production===
During the lifespan of the 310, Tek evolved its color scheme.   
The original 310 scopes had a case painted with a blue metallic hammer tone color.   
Later units moved to the crinkled “Tek Blue” color still in use today.


The scope cabinet was hinged to allow it to be opened like a book and operated for access to the circuitry for service purposes.  The 310 and 310A were convection cooled, and required free access to air through the cabinet vent holes to avoid overheating.  It contained a thermal cut-out to protect it from damage if the supply of cooling air was inadequate.  The scope has feet on the rear panel to allow it to be operated on the floor with the front panel facing up, but the manual warns against prolonged operation in this orientation.  Shortly after introduction, Tek offered a Fan Base accessory, which the scope would sit on and provide forced air for better cooling.  While the scope had universal primary wiring options, the fan base did not.  Separate models were available for 115 VAC or 230 VAC operation.
Like most old Tektronix devices the mains transformer holds an indefinite(!) warranty.


Like most old Tektronix devices the mains transformer holds a indefinite(!) warranty, so hold an eye to that.  The device goes away on ebay here often for 30€ to 60€.
==Price==
$595 in 1955 ($6,700 in 2023 dollars)


Fun on
==Pictures==
*But its not quite clear what the "indefinite" means, live long for the device, the first owner, the company (Tek), the universe, or the transformer itself? ;-)
'''310'''
Fun off
<gallery>
310 1.jpg                  | Right front
310 2.jpg                  | Front
310 3.jpg                  | Rear
310 4.jpg                  | Model
310 5.jpg                  | Right rear
Tek 310 rear.jpg          |
Tek 310 front.jpg          |
Tek 310 ibm prop.jpg      | made for IBM
Tek 310 top inside.jpg    | top inside
Tek 310 left inside.jpg    | left inside
Tek 310 right internal.jpg | right internal
Tek 310 rear.jpg          | rear
Tek 310 bottom.jpg        | bottom
Tek 310 right external.jpg | right external
Tek 310 left external.jpg  | left external
Tek 310 on base.jpg        | 310 on fan base
Tek 310a carrybag left.jpg | Carrying bag for 310, left
Tek 310a carrybag top.jpg  | Carrying bag for 310, top
</gallery>
 
'''310A'''
<gallery>
Tek_310A.jpg                    | Front view
310A_right.jpg                  | Right internal
310A_foldoff.jpg                | Folded off internal
310A_left.jpg                  | Left internal
310A_top.jpg                    | Top internal
310A_bottom.jpg                | Bottom special slot to access sweep trigger tubes
Tek_310A_Underside2.jpg        | Bottom special slot to access sweep trigger tubes
310A_back.jpg                  | Rear view
Wellenkino 310a.jpg            | 310A
Tektronix-310a.jpg              | 310A
Tek 310a left internal.jpg      | 310A Left Internal
Tek 310a right internal.jpg    | 310A Right Internal
Tek_310a_right_internal_on.jpg  | 310A Right Internal, operating
Tek 310a top clean.jpg          | 310A top
Tek 310a rear2.jpg              | 310A rear
Tek 310a right internal2.jpg    | 310A right internal
Tek_310A_silicon_rectifiers.jpg | 310A with silicon rectifiers
Tek ncr 310a case.jpg          | Case for 310A
Tek 310a in ncr case.jpg        | 310A in case
Tek 310a with case.jpg          | Tek 310A with case
Tek 310a carrybag exposed.jpg  | 310A inside carrying bag, exposed cushion
warranty.jpg                    | indefinite warranty to the Tektronix manufactured transformer
Tek_310a_cl.jpg
</gallery>


'''Hickok AN/USM89B'''
<gallery>
<gallery>
Image:Tek_310A.jpg|310A Front view
ANUSM89B_1.jpeg | Front view  
Image:310A_right.jpg|310A Right internal
ANUSM89B_2.jpeg | Side view
Image:310A_foldoff.jpg|310A Folded off internal
ANUSM89B_3.jpeg | Type plate
Image:310A_left.jpg|310A Left internal
Image:310A_top.jpg|310A Top internal
Image:310A_bottom.jpg|310A Bottom special slot to access sweep trigger tubes
Image:310A_back.jpg|310A Rear view
Image:warranty.jpg|310A indefinite warranty to the Tektronix manufactured transformer
Image:310 1.jpg|310 right front
Image:310 2.jpg|310 front
Image:310 3.jpg|310 rear
Image:310 4.jpg|310 model
Image:310 5.jpg|310 right rear
File:Tek 310 base.jpg|fan base in '57 catalog
</gallery>
</gallery>


[[Category:Tube_scopes]]
==Components==
[[Category:Introduced 1955]]
{{Parts|310}}
{{Parts|310A}}
 
==References==
<references />
 
[[Category:Monolithic tube scopes]]

Latest revision as of 02:09, 12 November 2024

Tektronix 310A
4 MHz oscilloscope
Tektronix 310A,front view

Produced from 1955 to 1972

Manuals

310

310A

Calibration Procedures

Modifications

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

The Tektronix 310 is a compact portable oscilloscope, designed by Frank Hood and John Kobbe, that was introduced in 1955.

It is a 4 MHz single-trace, single-timebase scope with a 3" (7.5 cm) round CRT.

A revised version, the 310A, was introduced in 1959. While the 310 used printed-circuit boards, the 310A returned to ceramic strip construction in the interest of reliability, a design revision that also occurred during production of the 360.

The Hickok company produced a clone of the 310A under a US military contract as the AN/USM89B.

Key Specifications

Bandwidth 4 MHz (3.5 MHz below 0.1 V/Div, AC coupled)
Rise time 90 ns (100 ns below 0.1 V/Div, AC coupled)
Sweep 0.5 μs/Div to 0.2 s/Div 1–2–5
Deflection 10 mV/Div to 50 V/Div, 1–2–5 (below 0.1 V/Div only AC coupled)
Input impedance 1 MΩ // 40 pF
X input 1.5 V/Div (variable down), 500 kHz, 100 kΩ
Z input 20 Vp-p at rear "CRT Cathode" binding post
Calibrator 50 mVp-p to 100 Vp-p, 1–2–5; 1 kHz
Power 175 W

P2 phosphor was standard. P1, P7 and P11 were also available.

Links

Documents Referencing 310

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 310A

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

Patents that may apply to 310

Page Title Inventors Filing date Grant date Links
Patent US 2769905A Sweep circuit Dick Ropiequet 1953-08-18 1956-11-06 310 • 310A • 315

Patents that may apply to 310A

Page Title Inventors Filing date Grant date Links
Patent US 2769905A Sweep circuit Dick Ropiequet 1953-08-18 1956-11-06 310 • 310A • 315

Internals

The scope cabinet was hinged to allow it to be opened like a book and operated for access to the circuitry for service purposes.

Cooling

The 310 is a tube scope and consumes 175 watts, but it does not have a fan. It therefore tends to run hot, particularly when used in a hot environment with still air. It has a 74 °C (165 °F) thermal cutoff switch in series with the primary of the power transformer.

For extended use in one place, a tilted fan base, the FB310 (part number 016-012) was available. The fan base blows air upward through the perforated bottom panel of the 310. While the scope had universal primary wiring options, the fan base did not. Separate models were available for 115 VAC or 230 VAC operation.

The scope has feet on the rear panel to allow it to be operated on the floor with the front panel facing up, but the manual warns against prolonged operation in this orientation.

Components

The 310 is a nearly true pure vacuum-tube scope, but in the power supply there are some silicon rectifiers, and there is one germanium point contact diode in the circuit.

Early examples of the Tektronix Type 310A used commodity 3WPx CRTs. At some point in production, they switched to the Tek-made T3100 CRT, which is compatible with the 3WP2.

310A changes

Unlike later Tek instruments, where the incremental model designated by an “A” suffix only occurred with a significant specification or performance enhancement, the original 310 and 310A were essentially identical. They even shared the same manual and schematics. The main difference was the wiring construction. needs to be checked - different tubes used according to the manuals

The original 310 pioneered the use of circuit board construction, rather than the trusted ceramic strip point to point wiring. The circuit boards were two-sided, however, Tektronix did not use through-hole plating although this had been introduced in 1947[1]. Rather, all of the holes for component mounting and interconnect contained a rivet which was expanded in a press before the components were installed in the board. The rivets themselves were not soldered to the copper foil traces, and relied on the pressure from the crimp to make contact. This proved to be extremely unreliable, with many intermittent connections resulting in high warranty- and after-warranty failure.

The 310A model essentially used the identical circuit design, but returned to the trusted ceramic strip construction method.

The 310A also replaced the selenium plate rectifiers in the power supply with silicon diodes. Tek offered a retrofit kit, to be installed in the service centers, to upgrade older scopes with selenium rectifiers.

Other changes during production

During the lifespan of the 310, Tek evolved its color scheme. The original 310 scopes had a case painted with a blue metallic hammer tone color. Later units moved to the crinkled “Tek Blue” color still in use today.

Like most old Tektronix devices the mains transformer holds an indefinite(!) warranty.

Price

$595 in 1955 ($6,700 in 2023 dollars)

Pictures

310

  • Right front

    Right front

  • Front

    Front

  • Rear

    Rear

  • Model

    Model

  • Right rear

    Right rear

  • made for IBM

    made for IBM

  • top inside

    top inside

  • left inside

    left inside

  • right internal

    right internal

  • rear

    rear

  • bottom

    bottom

  • right external

    right external

  • left external

    left external

  • 310 on fan base

    310 on fan base

  • Carrying bag for 310, left

    Carrying bag for 310, left

  • Carrying bag for 310, top

    Carrying bag for 310, top

310A

  • Front view

    Front view

  • Right internal

    Right internal

  • Folded off internal

    Folded off internal

  • Left internal

    Left internal

  • Top internal

    Top internal

  • Bottom special slot to access sweep trigger tubes

    Bottom special slot to access sweep trigger tubes

  • Bottom special slot to access sweep trigger tubes

    Bottom special slot to access sweep trigger tubes

  • Rear view

    Rear view

  • 310A

    310A

  • 310A

    310A

  • 310A Left Internal

    310A Left Internal

  • 310A Right Internal

    310A Right Internal

  • 310A Right Internal, operating

    310A Right Internal, operating

  • 310A top

    310A top

  • 310A rear

    310A rear

  • 310A right internal

    310A right internal

  • 310A with silicon rectifiers

    310A with silicon rectifiers

  • Case for 310A

    Case for 310A

  • 310A in case

    310A in case

  • Tek 310A with case

    Tek 310A with case

  • 310A inside carrying bag, exposed cushion

    310A inside carrying bag, exposed cushion

  • indefinite warranty to the Tektronix manufactured transformer

    indefinite warranty to the Tektronix manufactured transformer

Hickok AN/USM89B

  • Front view

    Front view

  • Side view

    Side view

  • Type plate

    Type plate

Components

Some Parts Used in the 310

Part Part Number(s) Class Description Used in
12AT7 154-0039-00 Vacuum Tube (Dual Triode) dual high-gain triode 161 • 180 • 310 • 310A • 315 • 316 • 360 • 502 • 502A • 511A • 512 • 513 • 513D • 514 • 514AD • 514D • 516 • 524 • 529 • RM529 • 544 • 546 • 547 • 556 • 565 • 570 • 3A2 • 75 • 3A75 • 1M1 • A • B • C • G • H • K • L • ML • M • N • K • R • S • Z • Keithley 610B
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
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
3WP 154-0059-00 CRT series of flat-faced 3" mono-accelerator CRTs 315 • 310 • 360 • Telequipment S31
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
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
6AN8 154-078 • 154-0078-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 310 • 310A • 316 • 317 • 360 • 502 • 502A • 516 • 517 • 517A • 526 • 565 • 570 • 575 • N
6AQ5 154-017 • 154-0017-00 Vacuum Tube (Pentode) beam pentode 310 • 310A • 316 • 360 • 507 • 511A • 512 • 517 • 517A • 524 • 536 • 570 • 575
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
6BH6 154-0026-00 • 154-0285-00 Vacuum Tube (Pentode) pentode 130 • 162 • 310 • 310A • 512 • 517 • 517A • 524 • Nelson-Ross PSA-011
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
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
6U8 154-0033-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 130 • 160 • 163 • 310 • 315 • 316 • 524 • 535 • 545 • T
T3100 154-0362-00 • 154-0363-00 • 154-0364-00 • 154-0365-00 • 154-0366-00 • 154-0058-01 • 154-0059-01 • 154-0060-01 • 154-0061-01 CRT 3" CRT 310 • 310A • 315 • 360


Some Parts Used in the 310A

Part Part Number(s) Class Description Used in
12AT7 154-0039-00 Vacuum Tube (Dual Triode) dual high-gain triode 161 • 180 • 310 • 310A • 315 • 316 • 360 • 502 • 502A • 511A • 512 • 513 • 513D • 514 • 514AD • 514D • 516 • 524 • 529 • RM529 • 544 • 546 • 547 • 556 • 565 • 570 • 3A2 • 75 • 3A75 • 1M1 • A • B • C • G • H • K • L • ML • M • N • K • R • S • Z • Keithley 610B
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
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
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
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
6AN8 154-078 • 154-0078-00 Vacuum Tube (Triode/Pentode) triode-pentode combo 310 • 310A • 316 • 317 • 360 • 502 • 502A • 516 • 517 • 517A • 526 • 565 • 570 • 575 • N
6AQ5 154-017 • 154-0017-00 Vacuum Tube (Pentode) beam pentode 310 • 310A • 316 • 360 • 507 • 511A • 512 • 517 • 517A • 524 • 536 • 570 • 575
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
6BH6 154-0026-00 • 154-0285-00 Vacuum Tube (Pentode) pentode 130 • 162 • 310 • 310A • 512 • 517 • 517A • 524 • Nelson-Ross PSA-011
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
8425 154-0022-07 Vacuum Tube (Pentode) RF pentode 3A72 • 310A • 317 • 526 • Q
T3100 154-0362-00 • 154-0363-00 • 154-0364-00 • 154-0365-00 • 154-0366-00 • 154-0058-01 • 154-0059-01 • 154-0060-01 • 154-0061-01 CRT 3" CRT 310 • 310A • 315 • 360


References

  1. ↑ https://www.acdi.com/a-peek-at-the-history-of-pcbs
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