User contributions for Benjamin
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16 August 2024
- 23:4123:41, 16 August 2024 diff hist +120 308 Added more PSU images
- 23:4023:40, 16 August 2024 diff hist +55 N File:308 mains input PCB.jpg Inside side of mains input PCB of Tek 308 current
- 23:3723:37, 16 August 2024 diff hist +113 N File:308 PSU Internals1.jpg Inside the PSU of the Tektronix 308. Mostly empty space, which helps contribute to its portability. current
12 August 2024
- 18:0118:01, 12 August 2024 diff hist +61 308 No edit summary
- 17:5917:59, 12 August 2024 diff hist +90 N File:Tek 308 under SN303537-UP.jpg Underside of Tek 308 with SN303537-UP. Notice the focus potentiometer added. current
28 June 2024
- 21:4221:42, 28 June 2024 diff hist +115 7904 No edit summary
- 21:3721:37, 28 June 2024 diff hist +232 N File:070-1195-02.pdf The manual version covers the early serial numbers of 7904 scopes. Covers serials above 86000 and under 260000 I believe. Needs more information. Currently listed as just the -02 version of the 7904 instruction manual.
20 June 2024
- 00:5100:51, 20 June 2024 diff hist +147 7B53A No edit summary
- 00:4800:48, 20 June 2024 diff hist +36 N File:7B53N left.jpg left internal of 7B53N current
- 00:4700:47, 20 June 2024 diff hist +43 N File:7B53N right.jpg right internal image of 7B53N current
- 00:4400:44, 20 June 2024 diff hist +40 N File:20240619 122403.jpg frontal image of the 7B53N current
26 April 2024
- 09:5409:54, 26 April 2024 diff hist 0 File:SC502 front.jpg Benjamin uploaded a new version of File:SC502 front.jpg current
25 April 2024
- 18:2218:22, 25 April 2024 diff hist +148 SC502 No edit summary current
- 18:1718:17, 25 April 2024 diff hist +76 N File:SC502 Right Internal.jpg Internals of right side of SC502. Photo taken on a cloudy day. current
- 18:1618:16, 25 April 2024 diff hist +75 N File:SC502 Left Internal.jpg Internals of left side of SC502. Photo taken on a cloudy day. current
- 18:1418:14, 25 April 2024 diff hist +66 N File:SC502 front.jpg Front image of SC502. Taken on a cloudy day outside.
27 March 2024
- 10:3010:30, 27 March 2024 diff hist −81 SKA6516 Forgot to add axes annotations. I also appear to have been incorrect in a multitude of stances. I apologize.
25 March 2024
- 13:2313:23, 25 March 2024 diff hist +250 SKA6516 Added some curve traces for the 151-0367-00 showcasing the parasitic reverse diode junction.
- 13:1613:16, 25 March 2024 diff hist +138 N File:2N3053 curvetrace.jpg Typical curve trace of a 2N3053 transistor going in the negative cycle. The transistor has a high reverse breakdown voltage. current
- 13:1013:10, 25 March 2024 diff hist +204 N File:151-0367-00 curvetrace fault.jpg Curve trace of a 151-0367-00 transistor in the negative-going cycle. There is a parasitic diode junction between the emitter and collector of this transistor. This transistor has this fault. current
- 13:0813:08, 25 March 2024 diff hist +85 N File:151-0367-00 curvetrace.jpg Typical curve trace of a 151-0367-00 transistor in positive-going form. current
4 March 2024
- 23:5923:59, 4 March 2024 diff hist +70 7A19 added image of variable delay system
- 23:5723:57, 4 March 2024 diff hist +147 N File:7A19 delay.jpg Internals of the mechanical delay system of the 7A19 plug-in. This mechanical delay is present only in 7A19s with option 4 installed. current
29 February 2024
- 00:0400:04, 29 February 2024 diff hist +635 FG501 Added some more details
28 February 2024
- 22:5222:52, 28 February 2024 diff hist +74 PG501 Added risetime waveform
- 22:4922:49, 28 February 2024 diff hist +144 PG501 Added my own photos of my own PG501. These are photos of what I belive to be an early serial numbered unit.
- 22:4422:44, 28 February 2024 diff hist +114 N File:PG501 PCB BOTTOM EARLY.jpg Photo of the bottom PCB side on the PG501 TM500 plug-in. The serial number for this unit is B081739. current
- 22:4322:43, 28 February 2024 diff hist +111 N File:PG501 PCB TOP EARLY.jpg Photo of the top PCB side on the PG501 TM500 plug-in. The serial number for this unit is B081739. current
- 22:0322:03, 28 February 2024 diff hist +199 N File:PG501 Risetime.jpg This is the rise of a Tek PG501 TM500 plug-in. Measured to be 2.1ns, the plug-in is specified at 3.5ns. Measurements were taken on Tektronix 7904 mainframe with plug-ins 7A19 and 7B85. current
18 February 2024
- 13:3113:31, 18 February 2024 diff hist −96 m 7904 No edit summary
11 February 2024
- 14:3914:39, 11 February 2024 diff hist +116 7904 Added service manual
30 January 2024
- 20:4420:44, 30 January 2024 diff hist 0 m 7B53A Correcting a small typo.
- 20:4320:43, 30 January 2024 diff hist +109 7B53A Added info for 7B53N
- 20:3720:37, 30 January 2024 diff hist +29 7B53A No edit summary
- 20:3520:35, 30 January 2024 diff hist +61 N File:7B53N.png Frontal photo of the 7B53N 7000 Series plug-in. current
14 January 2024
- 20:3420:34, 14 January 2024 diff hist +91 2230 No edit summary
7 January 2024
- 00:0400:04, 7 January 2024 diff hist +67 2230/Repairs No edit summary
6 January 2024
- 22:0822:08, 6 January 2024 diff hist +100 2230 Added to mods for easy finding
29 December 2023
- 16:2116:21, 29 December 2023 diff hist +145 SC502 No edit summary
11 December 2023
- 13:4613:46, 11 December 2023 diff hist 0 m P6109 Frequency bandwidth inaccuracy in title.
3 December 2023
- 12:4912:49, 3 December 2023 diff hist +124 Talk:2213 No edit summary current
24 November 2023
- 13:1713:17, 24 November 2023 diff hist +64 2230 No edit summary
- 13:1613:16, 24 November 2023 diff hist +44 N File:2230 menu ref.jpg The 2230 menu reference guide. current
- 13:0513:05, 24 November 2023 diff hist +241 2230/Repairs No edit summary
- 13:0213:02, 24 November 2023 diff hist +102 2230/Repairs No edit summary
8 November 2023
- 21:4921:49, 8 November 2023 diff hist +634 N 191/Repairs Experience from me trying to repair 2 Tek 191s. Both had same problems. One more in the past also had similar problems.
4 October 2023
- 11:2711:27, 4 October 2023 diff hist +63 SKA6516 No edit summary
- 11:2511:25, 4 October 2023 diff hist +403 Talk:SKA6516 No edit summary
- 11:1611:16, 4 October 2023 diff hist +47 N File:Component Tester.jpg Image of a cheap component tester current
- 11:1311:13, 4 October 2023 diff hist +83 N File:BJT reverse diode.png Circuit equivalent of a BJT with a reverse polarity protection diode. current