User contributions for Vintage dave
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24 April 2024
- 10:2110:21, 24 April 2024 diff hist +62 Keith Taylor Update birth/death from obituary current
18 March 2024
- 11:4511:45, 18 March 2024 diff hist +465 User talk:Kurt →1A7A Coarse DC Offset knob color: new section
4 February 2024
- 11:2211:22, 4 February 2024 diff hist +60 m 535 early vs late delay line position
- 10:3210:32, 4 February 2024 diff hist +16 m 531 early delay line is not "before" the vertical amp, it's in the middle current
- 10:3010:30, 4 February 2024 diff hist +201 6197 6197 resists forming cathode interface layer current
- 10:2310:23, 4 February 2024 diff hist 0 m 106 7189 is not "aka" 6bq5 but it has the same pinout current
2 February 2024
- 18:4818:48, 2 February 2024 diff hist +305 547 C808 high DF self-heats and causes HV thermal runaway current
31 December 2023
- 09:5709:57, 31 December 2023 diff hist +48 m Amphenol 165 series connectors Update external link current
- 09:2009:20, 31 December 2023 diff hist 0 m 111 Late and early rear view photos were swapped, late has the BNC and early has the UHF current
7 November 2023
- 16:5716:57, 7 November 2023 diff hist +104 N File:535-545-Manual-Page-3-10-Missing-From-070-198-Scan.pdf Page 3-10 of 070-198 (Type 535-545 Instruction Manual), missing from the scan hosted here. current
5 October 2023
- 11:5511:55, 5 October 2023 diff hist −1 5814 D S/N range
- 11:4811:48, 5 October 2023 diff hist −12 D Superseded by 1A6 only; 1A7 is 500kHz vs 2MHz
2 July 2023
- 10:0210:02, 2 July 2023 diff hist +105 N Talk:180 180-S1 current
25 May 2023
- 07:3607:36, 25 May 2023 diff hist −3 Connie Wilson Tek always called products "Type" not "Model" current
13 February 2023
- 12:2612:26, 13 February 2023 diff hist +290 N Talk:134 LF COMP not selected by probe model switch
31 May 2022
- 09:1409:14, 31 May 2022 diff hist +6,827 547/Repairs Add my 547 repair history current
- 07:3307:33, 31 May 2022 diff hist +85 1A5/Repairs formatting
- 07:2607:26, 31 May 2022 diff hist +635 N 1A5/Repairs Add my 1A5 repair history
29 May 2022
- 11:4111:41, 29 May 2022 diff hist +15 m 7233 No edit summary
28 May 2022
- 19:0519:05, 28 May 2022 diff hist +41 7233 half a 6080
- 19:0319:03, 28 May 2022 diff hist +237 6GE8 power triode
11 May 2022
- 14:2614:26, 11 May 2022 diff hist +355 W/Repairs More formatting. If you can do better, go ahead.
10 May 2022
- 16:4016:40, 10 May 2022 diff hist +65 1S1/Repairs Fixed the 145 current
- 16:3816:38, 10 May 2022 diff hist +525 1S1/Repairs 12AU7 instead of 8416 - untested
- 13:4913:49, 10 May 2022 diff hist +10 W/Repairs formatting
- 13:4713:47, 10 May 2022 diff hist −45 W/Repairs formatting
- 13:2713:27, 10 May 2022 diff hist +6,918 N W/Repairs ADAPTING THE TYPE W PLUGIN TO USE 6DJ8 or 12AT7 INSTEAD OF 8416
- 13:2613:26, 10 May 2022 diff hist +73 W 8416 not 6DJ8
- 13:2413:24, 10 May 2022 diff hist +72 1S1 8416 not 6DJ8
- 13:2313:23, 10 May 2022 diff hist +6 6DJ8 different approach, keep 8416 under 6dj8 umbrella and add notes in instrument pages
- 13:1913:19, 10 May 2022 diff hist −2 6DJ8 W uses 8416 not 6DJ8
- 12:4712:47, 10 May 2022 diff hist +7 m 6DJ8 8416 is 180mA heater
27 March 2022
- 20:3120:31, 27 March 2022 diff hist +98 Turret attenuators heat sensitivity current
11 February 2022
- 11:2511:25, 11 February 2022 diff hist +15 RCA 40250 hometaxial
- 11:2511:25, 11 February 2022 diff hist +88 N Talk:RCA 40250 Created page with "The 1978 RCA Power Devices databook shows alternate part numbers 2N3054, 2N6260, 2N6261." current
- 11:2111:21, 11 February 2022 diff hist +8 RCA 40250 major specs
- 11:0511:05, 11 February 2022 diff hist +48 RCA 40250 other uses
- 10:4710:47, 11 February 2022 diff hist +21 RCA 40250 to-66
8 February 2022
- 10:0710:07, 8 February 2022 diff hist +168 Tunnel Diode Replacement and Modification schematic is in the manual; two S/N ranges
21 January 2022
- 12:2612:26, 21 January 2022 diff hist +886 W fill in specs
17 November 2021
- 15:4015:40, 17 November 2021 diff hist +9 Telequipment Type G Fix Type G picture current
- 15:3815:38, 17 November 2021 diff hist 0 Telequipment plugins Add Type G picture
- 15:3715:37, 17 November 2021 diff hist 0 N File:Telequipment-G-Plugin.JPG No edit summary current
- 15:3315:33, 17 November 2021 diff hist −1 Telequipment plugins Fix Type A picture
- 15:3115:31, 17 November 2021 diff hist +44 Telequipment Type A Fix main picture current
- 15:0015:00, 17 November 2021 diff hist +99 T932 Fixed BAMA link, just a typo in the path or they changed it
- 14:5014:50, 17 November 2021 diff hist +218 Talk:453 No edit summary current
15 November 2021
- 16:2416:24, 15 November 2021 diff hist +477 N Talk:Miniature relays Created page with "IIRC, the failure mechanism is that heating makes the coil outgas, and with no air vent, it condenses on the contacts when the relay cools off. Sometimes you can restore oper..."
- 16:0316:03, 15 November 2021 diff hist +509 N Talk:535 Created page with "Serial number 101-8627 had an input amplifier, forward-terminated delay line, and an output amplifier driving the CRT deflection plates. At S/N 8628 this was replaced with on..."
- 15:4515:45, 15 November 2021 diff hist −1 m 7189A typo
- 15:3115:31, 15 November 2021 diff hist +304 N 453/Repairs HV Transformer Rewind
- 15:2115:21, 15 November 2021 diff hist −4 453 screen dimensions are X*Y cm not cm-squared
20 October 2021
- 17:1417:14, 20 October 2021 diff hist +148 545/Repairs termination network not delay line current
- 17:1117:11, 20 October 2021 diff hist +24 545 Shorting the vertical amp burns out the termination resistors not the delay line. Mod Kit 040-227 for early production,
12 October 2021
- 08:0608:06, 12 October 2021 diff hist +8 545/Repairs Fuse/resistor mod also applicable to 551 and 555
11 October 2021
- 11:0111:01, 11 October 2021 diff hist +94 7119 USED IN
- 10:5610:56, 11 October 2021 diff hist +28 6197 used in 535A not 545A
- 10:5210:52, 11 October 2021 diff hist +5 6DK6 used in 545A
- 10:5010:50, 11 October 2021 diff hist +10 6DK6 used in 545A
- 10:1910:19, 11 October 2021 diff hist +12 545 531→533: 535
- 10:1410:14, 11 October 2021 diff hist +64 545 link in 543, plus remove some redundant "the"'s
- 09:5909:59, 11 October 2021 diff hist 0 m 545 No edit summary
- 09:5809:58, 11 October 2021 diff hist +314 545/Repairs Turns out moving R1218 to F1054 fries V1033/V1043 - R1218 must hold!
10 October 2021
- 15:2815:28, 10 October 2021 diff hist −14 545/Repairs copyediting
- 15:2715:27, 10 October 2021 diff hist +371 545/Repairs 6DK6 screen fry DEBUNKED but mod still desirable
- 13:1013:10, 10 October 2021 diff hist +381 545/Repairs Vertical amp fuse warning and fix
- 13:0213:02, 10 October 2021 diff hist +63 545 Vertical amp fuse S/N
5 October 2021
- 16:0816:08, 5 October 2021 diff hist −10 A make text match artwork better
- 16:0516:05, 5 October 2021 diff hist +184 A 53A bandwidth
4 October 2021
- 15:0815:08, 4 October 2021 diff hist +67 TDS3054 better wording
- 15:0415:04, 4 October 2021 diff hist +32 TDS3054 TDS3TRG and TDS3FFT made standard at TDS3000B firmware version 3.21, see 071-1221-00 "Read This First"
2 October 2021
- 08:0408:04, 2 October 2021 diff hist +17 Talk:TDS3000 date current
- 08:0408:04, 2 October 2021 diff hist +307 Talk:TDS3000 sourcing
- 07:4907:49, 2 October 2021 diff hist +193 N Talk:TDS3000 Why the TDS3000C lost the parallel port when USB was added
24 September 2021
- 09:0209:02, 24 September 2021 diff hist +19 m A No edit summary
- 09:0109:01, 24 September 2021 diff hist +65 A 53A no T-coils but 20MHz anyway -- or so Factory Cal says
6 August 2021
- 16:0416:04, 6 August 2021 diff hist +8 m 547 proofreading
- 16:0116:01, 6 August 2021 diff hist +13 m 547 LVPS regulator section is all tubes
- 15:5915:59, 6 August 2021 diff hist +39 m 547 154-0478-00 is the default CRT only
- 15:5715:57, 6 August 2021 diff hist −15 m 547 A and B triggers
- 15:5015:50, 6 August 2021 diff hist +127 547 1A5 has spoiler hole. 1L30/1L40 have it for no reason.
31 July 2021
- 10:2110:21, 31 July 2021 diff hist +1,045 N Talk:112 Source for rubber shock mounts current
- 10:2010:20, 31 July 2021 diff hist +1,045 N Talk:121 Source for rubber shock mounts current
- 10:1910:19, 31 July 2021 diff hist +1,045 N Talk:1121 Source for rubber shock mounts current
- 10:1710:17, 31 July 2021 diff hist +1,045 N Talk:H source for rubber shock mounts current
- 10:1710:17, 31 July 2021 diff hist +54 H shock mounted chassis
- 10:1510:15, 31 July 2021 diff hist +1,045 N Talk:E Source for rubber shock mounts current
- 10:1410:14, 31 July 2021 diff hist +1,045 N Talk:D Source for rubber shock mounts current
13 July 2021
- 11:4611:46, 13 July 2021 diff hist −3 m Z No edit summary
- 11:4511:45, 13 July 2021 diff hist +702 N Talk:4100-Series Terminals Created page with "The first time I saw a 4114 (it was in the engineering part of building 63), it was running Asteroids. I was responsible for 4107 Option CX, a field-installable board that en..."
12 July 2021
- 13:4913:49, 12 July 2021 diff hist +234 Chuck Edgar 1S1, and T&D Custom Mods
- 13:2713:27, 12 July 2021 diff hist +53 N Talk:4027 Created page with "I improved the polygon-fill routines in the firmware."
- 13:2513:25, 12 July 2021 diff hist +68 4025 No edit summary
- 13:2313:23, 12 July 2021 diff hist +79 4023 No edit summary
9 July 2021
- 10:0310:03, 9 July 2021 diff hist +123 Replaceable Parts Records (RPR) add 157 checked/tested tubes
8 July 2021
- 15:4515:45, 8 July 2021 diff hist −2 RPR get the name right Tag: Redirect target changed
- 07:4907:49, 8 July 2021 diff hist −2 Reference material Fix the name per Hakan Hintze - it's "Replaceable Parts Record" not Registry
7 July 2021
- 11:1311:13, 7 July 2021 diff hist +156 Z I misunderstood the manual regarding slew rate.
1 July 2021
- 16:0116:01, 1 July 2021 diff hist +83 Z Attenuators have no DC trim, so their CMRR is poor
30 June 2021
- 11:2211:22, 30 June 2021 diff hist −122 D Undo revision 61370 by Vintage dave (talk) - turns out my instrument was field-modified Tag: Undo
- 11:2011:20, 30 June 2021 diff hist +122 D bad silkscreen
25 June 2021
- 18:2018:20, 25 June 2021 diff hist +43 1S1 two designers
- 17:5117:51, 25 June 2021 diff hist +5 m G No edit summary
- 17:4917:49, 25 June 2021 diff hist +5 A cross-bootstrapping
- 09:5909:59, 25 June 2021 diff hist +49 K K is the first T-coil user
- 09:5409:54, 25 June 2021 diff hist +16 m K Don't imply that A/B/C could go 30MHz
24 June 2021
- 10:3710:37, 24 June 2021 diff hist +1 m B typo
- 10:3710:37, 24 June 2021 diff hist +90 B 53B bandwidth, number of tubes, and serial number
18 June 2021
- 10:3710:37, 18 June 2021 diff hist +51 W JFET conversion a la 1A7
- 10:3410:34, 18 June 2021 diff hist −1 W rearrange mods in SN order
- 10:1510:15, 18 June 2021 diff hist +4 m W add link
- 10:1410:14, 18 June 2021 diff hist +419 W Output Amp mod kit
14 June 2021
- 09:2409:24, 14 June 2021 diff hist +790 D Specs and circuitry
4 June 2021
- 17:2017:20, 4 June 2021 diff hist +2,621 1A7 Add John Addis oral history
3 June 2021
- 18:3118:31, 3 June 2021 diff hist −19 1A6 No edit summary
- 18:3018:30, 3 June 2021 diff hist +473 1A6 →Specifications
- 08:3908:39, 3 June 2021 diff hist +111 1A6 Addis: designed by Vaughn Weidel
2 June 2021
- 19:4919:49, 2 June 2021 diff hist −63 m W Fold duplicate verbage
- 19:4219:42, 2 June 2021 diff hist +10 W 1a7 has a jumper too
- 13:5013:50, 2 June 2021 diff hist +56 W FET input
- 13:4913:49, 2 June 2021 diff hist +104 W FET mod kit
- 13:4613:46, 2 June 2021 diff hist +35 W designer name
- 13:3513:35, 2 June 2021 diff hist +12 1A7 No edit summary
- 13:3213:32, 2 June 2021 diff hist −4 1A7 No edit summary
- 13:2913:29, 2 June 2021 diff hist +11 1A7 No edit summary
- 13:1613:16, 2 June 2021 diff hist −26 1A7 spec does not say CMRR maintained with DC Offset turned on
- 12:5912:59, 2 June 2021 diff hist 0 m 1A7 oops
- 12:5212:52, 2 June 2021 diff hist +145 1A7 FET Mod Kit
- 12:3812:38, 2 June 2021 diff hist −3 D D was replaced by 1A7 not W
29 May 2021
- 10:5310:53, 29 May 2021 diff hist +1 500-series plug-ins (Letter-series and 1-series) 1A7 is only 500kHz. (1A7A is 1MHz.)
7 May 2021
- 16:1716:17, 7 May 2021 diff hist +8 m 1A7 No edit summary
- 16:1616:16, 7 May 2021 diff hist +9 1A7 Replaces D and E
11 April 2021
- 13:5513:55, 11 April 2021 diff hist +34 TU-50 It's a signal generator AND a calibration fixture :)
5 April 2021
- 08:5308:53, 5 April 2021 diff hist −2 m 1A5 common-mode details
- 08:4408:44, 5 April 2021 diff hist +24 m 1A7 Replaces Type E
4 April 2021
- 19:4819:48, 4 April 2021 diff hist +77 1A7 shortest product life
- 19:3919:39, 4 April 2021 diff hist +194 1A6 Specs and circuitry
- 19:3519:35, 4 April 2021 diff hist 0 1A7 8393 not 7586
15 March 2021
- 13:2813:28, 15 March 2021 diff hist +498 Delay line Reverse Termination
- 13:0413:04, 15 March 2021 diff hist +1 m 585 No edit summary
6 March 2021
- 08:5608:56, 6 March 2021 diff hist 0 T5330 Fix table - P2 part was labeled "P1" and vice versa. New version matches 1966 catalog.
2 March 2021
- 08:0008:00, 2 March 2021 diff hist +33 P6032 Fix manual link. Still kind of wrong, please fix.
- 07:5407:54, 2 March 2021 diff hist 0 N File:070-327.pdf No edit summary
1 March 2021
- 14:5014:50, 1 March 2021 diff hist −6 m D Early production not "some production"
- 14:4614:46, 1 March 2021 diff hist −21 D Remove picture of Type CA plugin misnamed as Type D.
22 February 2021
- 18:4218:42, 22 February 2021 diff hist −4 m W No edit summary
- 18:4018:40, 22 February 2021 diff hist −22 m Z No edit summary
- 17:0417:04, 22 February 2021 diff hist +4 m H No edit summary
- 16:5816:58, 22 February 2021 diff hist +20 m E No edit summary
- 16:5516:55, 22 February 2021 diff hist +20 D No edit summary
- 16:5416:54, 22 February 2021 diff hist +8 m D No edit summary
- 16:5316:53, 22 February 2021 diff hist −19 m D No edit summary
- 16:5216:52, 22 February 2021 diff hist +1 D No edit summary
- 16:5116:51, 22 February 2021 diff hist +192 D D was superseded first by W, then 1A6.
- 14:1614:16, 22 February 2021 diff hist +6 m W No edit summary
- 14:0414:04, 22 February 2021 diff hist +3 m W No edit summary
- 12:5312:53, 22 February 2021 diff hist +88 8056 157-0099-00 selection procedure exceeds tube max ratings!
- 10:3710:37, 22 February 2021 diff hist +145 W late production uses JFETs not 8056 Nuvistors
- 10:3510:35, 22 February 2021 diff hist +66 Nuvistor 8056 used in more things
- 10:3510:35, 22 February 2021 diff hist +6 m 8056 not used in late W
21 February 2021
- 16:2416:24, 21 February 2021 diff hist +46 8056 Also used in 1S1, early 3S3, and 3T4
12 January 2021
- 09:0209:02, 12 January 2021 diff hist +43 1S1 Add my repair notes in case it helps others fix theirs.
- 08:5908:59, 12 January 2021 diff hist +52 N File:David-Wise-1S1-Repair-Notes.txt My 1S1 repair saga. Hope it gives clues for others. current
5 January 2021
- 14:4714:47, 5 January 2021 diff hist +8 500 Series plug-in interface Add instrument type to photo caption
- 12:2712:27, 5 January 2021 diff hist −1 500 Series plug-in interface "1-series" not "1A-series" for consistency elsewhere
25 October 2020
- 13:4713:47, 25 October 2020 diff hist +219 N File:535-545-Ceramic-Strip-Flashover.zip Type 535-545 scopes, ceramic strip locations with the most risk of silver migration and arcing, and my attempt at a countermeasure. Text file plus photos. Put where you think best. Regards, Dave Wise. CC-BY-SA 4.0 . current
25 February 2020
- 15:0215:02, 25 February 2020 diff hist −13 m CK512AX remove redundant word
5 January 2019
- 21:2821:28, 5 January 2019 diff hist +41 m P6023 Add 1MOhm category since it is meant for use with a 1-meg input.
- 21:2621:26, 5 January 2019 diff hist +135 P6023 This probe is meant for use in pairs on a differential amp
20 December 2018
- 10:2510:25, 20 December 2018 diff hist 0 m T5032 spelling
24 October 2018
- 07:2507:25, 24 October 2018 diff hist +41 m G 53G has five tubes
29 December 2015
- 14:3914:39, 29 December 2015 diff hist +43 2N2207 No edit summary
22 December 2012
- 20:3720:37, 22 December 2012 diff hist +95 m 7313 Correct bandwidth
16 May 2011
- 14:3214:32, 16 May 2011 diff hist +1 m 1S1 No edit summary
- 14:2914:29, 16 May 2011 diff hist −40 m 1L5 No edit summary
- 14:2514:25, 16 May 2011 diff hist +19 m 1M1 fix date tag
- 14:2314:23, 16 May 2011 diff hist +71 m 1M1 TU-2, EP-53
- 14:2114:21, 16 May 2011 diff hist 0 m 1M1 bracket oops
- 14:2014:20, 16 May 2011 diff hist +1 m C No edit summary
- 14:1914:19, 16 May 2011 diff hist +19 m CA No edit summary
- 14:1714:17, 16 May 2011 diff hist +4 m E "5xxA" -> "A-suffix"
- 14:1514:15, 16 May 2011 diff hist +5 m K Reorder paragraphs to save an awkward date reference
- 14:0514:05, 16 May 2011 diff hist +16 m N Move intro tag
- 14:0014:00, 16 May 2011 diff hist −57 P partial rewrite, explain purpose, add history
- 13:5813:58, 16 May 2011 diff hist +17 N 067-0521-00 New page: See Type 1M1.
- 13:5713:57, 16 May 2011 diff hist −29 m TU-7 No edit summary
- 13:5613:56, 16 May 2011 diff hist +1,047 1M1 Rewrite
- 12:2912:29, 16 May 2011 diff hist 0 m W spelling error
- 12:2112:21, 16 May 2011 diff hist −19 m 1A1 grammar - remove duplicated phrase
- 12:1012:10, 16 May 2011 diff hist +4 m 541 "with 545" -> "with the 545"
- 11:5811:58, 16 May 2011 diff hist +97 m 106 7189A not 7189 - pinouts not quite compatible
27 September 2010
- 16:5316:53, 27 September 2010 diff hist +318 N 1L10 New page: Type 1L10 is a high-frequency spectrum analyzer plugin for 500-series scopes. It covers 1MHz to 36MHz. It was introduced in 1965 and was Tek's first spectrum analyzer - other early SA...
- 16:4816:48, 27 September 2010 diff hist +783 1L5 No edit summary
- 16:3916:39, 27 September 2010 diff hist +34 m 1S2 No edit summary
- 16:3716:37, 27 September 2010 diff hist +43 m 1S1 No edit summary
- 16:3316:33, 27 September 2010 diff hist +908 N 1A7 New page: Type 1A7 is a high-sensitivity differential plugin for 500-series scopes. It senses down to 10uV/div, either AC or DC-coupled. It's possible to apply up to +/-300mV offset to the read...
- 16:2416:24, 27 September 2010 diff hist +345 N 1A6 New page: Type 1A6 is a low-cost differential plugin for 500-series scopes. A replacement for Type D, it senses down to 1mV/div at 2MHz bandwidth, with 10,000 to 1 common-mode rejection. Ty...
- 16:1116:11, 27 September 2010 diff hist +67 m 1A5 No edit summary
- 16:1016:10, 27 September 2010 diff hist +66 m 1A4 No edit summary
- 16:0916:09, 27 September 2010 diff hist +94 m 1A2 No edit summary
- 16:0916:09, 27 September 2010 diff hist +90 m 1A1 No edit summary
24 September 2010
- 17:5717:57, 24 September 2010 diff hist +28 m Z No edit summary
- 17:5717:57, 24 September 2010 diff hist +97 m O No edit summary
- 17:5517:55, 24 September 2010 diff hist +133 m W No edit summary
- 17:5317:53, 24 September 2010 diff hist +210 m T No edit summary
- 17:5017:50, 24 September 2010 diff hist +36 m R No edit summary
- 17:4917:49, 24 September 2010 diff hist +36 m Q No edit summary
- 17:4817:48, 24 September 2010 diff hist +28 m P No edit summary
- 17:4317:43, 24 September 2010 diff hist +23 m O No edit summary
- 17:4317:43, 24 September 2010 diff hist +37 m N No edit summary
- 17:4017:40, 24 September 2010 diff hist +32 m M No edit summary
- 17:3917:39, 24 September 2010 diff hist +36 m L No edit summary
- 17:3817:38, 24 September 2010 diff hist +28 m K No edit summary
- 17:3617:36, 24 September 2010 diff hist +48 m H No edit summary
- 17:3517:35, 24 September 2010 diff hist +28 m G No edit summary
- 17:3417:34, 24 September 2010 diff hist +32 m E No edit summary
- 17:2117:21, 24 September 2010 diff hist +25 m D last year
- 17:1917:19, 24 September 2010 diff hist +122 m CA end date
- 17:1717:17, 24 September 2010 diff hist +56 m B end date
22 September 2010
- 12:3012:30, 22 September 2010 diff hist +4 m 1A2 fix link
- 12:2812:28, 22 September 2010 diff hist +817 545 major rework
- 11:5111:51, 22 September 2010 diff hist +387 N 541 New page: The Type 541 is a 30MHz* oscilloscope that accepts letter-series and 1-series plug-ins. It is exactly like Type 545 except it does not have the Delayed Sweep (dual timebase) featur...
- 11:4911:49, 22 September 2010 diff hist −4 m 531 No edit summary
- 11:4811:48, 22 September 2010 diff hist +115 m 535 superseded
- 11:4311:43, 22 September 2010 diff hist +73 m 531 No edit summary
- 11:3511:35, 22 September 2010 diff hist +132 m 531 No edit summary
- 11:2711:27, 22 September 2010 diff hist +119 m 535 more history
- 11:0011:00, 22 September 2010 diff hist +373 535 add history
21 September 2010
- 17:3217:32, 21 September 2010 diff hist +38 m Z correct intro year
- 17:3017:30, 21 September 2010 diff hist −14 m S correct intro year
- 17:2917:29, 21 September 2010 diff hist −13 m Q correct intro year
- 17:2917:29, 21 September 2010 diff hist +22 m N add intro year
- 17:2717:27, 21 September 2010 diff hist +135 O add specs
- 17:2217:22, 21 September 2010 diff hist −67 m M Corrected intro history.
- 12:2412:24, 21 September 2010 diff hist +170 m M max sensitivity, channel disable
- 12:1512:15, 21 September 2010 diff hist +315 Z ten-turn pot, disconnect buttons
- 11:3111:31, 21 September 2010 diff hist +24 m W differential comparator
- 11:3111:31, 21 September 2010 diff hist +532 W more specs and comparisons
- 11:1511:15, 21 September 2010 diff hist +385 1A5 add specs, features, comparisons
- 11:0411:04, 21 September 2010 diff hist +204 m 1A2 more comparison
- 10:5410:54, 21 September 2010 diff hist +2 m 1A1 grammar
- 10:5210:52, 21 September 2010 diff hist +358 m 1A4 specs and comparisons
20 September 2010
- 10:4210:42, 20 September 2010 diff hist +351 1A2 add spec and history
17 September 2010
- 19:2319:23, 17 September 2010 diff hist +350 1A1 specs and history
- 19:1219:12, 17 September 2010 diff hist +25 m N discontinued
- 19:1019:10, 17 September 2010 diff hist +136 m W specs
- 19:0419:04, 17 September 2010 diff hist +694 Z specs and history
- 18:5218:52, 17 September 2010 diff hist +22 m W intro 1965
- 18:5018:50, 17 September 2010 diff hist +36 m O history
- 18:4318:43, 17 September 2010 diff hist +46 m S history