ITC 13 Digit Rev 0.38
2 layer board of 6.15 x 1.02 inches (156.1 x 26.0 mm)
Uploaded:
July 2nd 2020
Shared:
September 30th 2022
Total Price:
$31.40
13 Digit VFD Clock using IV-27M tube - Main board 5 Volt input. From Xmas Icetube Rev D. Added second MAX6921 for additional segments, and DS32KHZSN TCXO oscillator. Increased AC1 and AC2 trace width to support 185 mA current with less voltage drop. Removed 5 volt regulator and associated compone…
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13 Digit VFD Clock using IV-27M tube - Main board 5 Volt input. From Xmas Icetube Rev D. Added second MAX6921 for additional segments, and DS32KHZSN TCXO oscillator. Increased AC1 and AC2 trace width to support 185 mA current with less voltage drop. Removed 5 volt regulator and associated compone…
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Icetube Clock sidepcb Rev 2.2
2 layer board of 1.10 x 1.02 inches (28.0 x 25.8 mm)
Uploaded:
March 21st 2020
Shared:
September 27th 2022
Total Price:
$5.60
IceTube Clock sidepcb from Xmas icetube Rev D. Modified board vertical size for proper trace routing. Improved signal trace spacing and width, increased AC1 and AC2 trace width to support 85 mA current with less voltage drop. Removed unused mounting hole. Part of IceTube Clock main voard Rev. 2.2…
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IceTube Clock sidepcb from Xmas icetube Rev D. Modified board vertical size for proper trace routing. Improved signal trace spacing and width, increased AC1 and AC2 trace width to support 85 mA current with less voltage drop. Removed unused mounting hole. Part of IceTube Clock main voard Rev. 2.2…
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Icetube Clock mainpcb Rev 2.2
2 layer board of 4.50 x 1.01 inches (114.2 x 25.7 mm)
Uploaded:
March 21st 2020
Shared:
September 27th 2022
Total Price:
$22.75
IceTube Clock mainpcb from Xmas icetube Rev D. Modified component placement, trace width, and routing. Removed GPS battery connection pad. Added component values to top silkscreen. Improved ground-plane coverage. Added C12 bypass on IC5 (LM317), changed R4 from 5.6K to 10K, improved component val…
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IceTube Clock mainpcb from Xmas icetube Rev D. Modified component placement, trace width, and routing. Removed GPS battery connection pad. Added component values to top silkscreen. Improved ground-plane coverage. Added C12 bypass on IC5 (LM317), changed R4 from 5.6K to 10K, improved component val…
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HP 5300 Series Test Card Rev. B
2 layer board of 3.27 x 2.59 inches (83.1 x 65.8 mm)
Uploaded:
April 29th 2022
Shared:
April 29th 2022
Total Price:
$42.35
Hewlett Packard 5300 series Display module test card Rev B. HP manual Fig 5-2 Tests: 1 - 4, 6 - 16 DP4 test jumper Rotary switch for test #9 Annunciators and DP 1,2,3,5 Breakout terminals for Power Supplies, GND, and Reset
<https://www.barbouri.com/2022/04/29/hewlett-packard-10548a-diagnostic-…
Assembled board with jumpersShow full description
Hewlett Packard 5300 series Display module test card Rev B. HP manual Fig 5-2 Tests: 1 - 4, 6 - 16 DP4 test jumper Rotary switch for test #9 Annunciators and DP 1,2,3,5 Breakout terminals for Power Supplies, GND, and Reset
<https://www.barbouri.com/2022/04/29/hewlett-packard-10548a-diagnostic-…
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HP 9825, 9835 Power Supply Crowbar PCB
2 layer board of 2.20 x 1.00 inches (55.9 x 25.4 mm)
Uploaded:
April 20th 2022
Shared:
April 20th 2022
Total Price:
$11.00
CuriousMarc's HP 09825-66552 Crowbar Circuit Reproduction.
Crowbar protection circuit for the HP 9825, 9835 calculator
https://www.curiousmarc.com/computing/hp-9825-scientific-computer#h.xrov16yr03br
CuriousMarc's HP 09825-66552 Crowbar Circuit Reproduction.
Crowbar protection circuit for the HP 9825, 9835 calculator
https://www.curiousmarc.com/computing/hp-9825-scientific-computer#h.xrov16yr03br
