Support #817

Support #816: Schematics recovery for analog board Keithley 2001

Схема платы A/D (Keithley 2001-162-01G)

Added by tin over 3 years ago. Updated about 2 years ago.

Status:ClosedStart date:01/10/2013
Priority:NormalDue date:03/10/2013
Assignee:tin% Done:

90%

Category:-Estimated time:8.00 h
Target version:-

Description

Черновик схемы восстановлен, коммит r81.

Текущий этап:

  • перерисовать схему на чистовую.
  • разобраться в фунциальнальном назначении входов/выходов CPLD на интерфейсный порт.
  • подключить отладочный разъем Mictor на дискретные сигналы для захвата данных анализатором.

Keithley_2001J _ 04a _ SLOPE GE.pdf (132 KB) tin, 29/12/2013 04:42

Keithley_2001J _ 04B _ ZERO-CRO.pdf (94.2 KB) tin, 29/12/2013 04:43

zerocross_1.png - Channel 1 - ZCTL1, Channel 2 - ZCTL2 (10.8 KB) tin, 29/12/2013 04:45

zerocross_2.png - Channel 1 - ZCTL1, Channel 2 - ZCTL2 (15.2 KB) tin, 29/12/2013 04:45

zerocross_3.png - Channel 1 - ZCTL1, Channel 2 - ZCTL2 (10.1 KB) tin, 29/12/2013 04:45

Keithley_2001J _ 04C_ INTEGRATO.pdf - Keithley 2001 ADC Integrator (123 KB) tin, 29/12/2013 05:35

Keithley_2001J _ADC_Rev01.pdf - Analog section of ADC board. (127 KB) tin, 30/12/2013 01:38

kei2001_intg_adc_fast.png (12.7 KB) tin, 08/01/2014 02:40

kei2001_intg_adc_hiaccuracy.png (14.6 KB) tin, 08/01/2014 02:40

kei2001_intg_adc_medium.png (17.9 KB) tin, 08/01/2014 02:40

kei2001_intg_adc_normal_speed.png (21.7 KB) tin, 08/01/2014 02:40

kei2001_intg_adc1.png (14 KB) tin, 08/01/2014 02:40

kei2001_intg_adc2.png (14.6 KB) tin, 08/01/2014 02:40

kei2001_intg_adc3.png (15.9 KB) tin, 08/01/2014 02:40

US4574271.pdf - US Patent, integrating ADC system (1.51 MB) tin, 08/01/2014 04:43

Keithley_2001J_ADC_Rev02.pdf - PDF export (67 KB) tin, 08/01/2014 18:07

Keithley_2001J_ADC_Rev02.png - PNG export (1.04 MB) tin, 08/01/2014 18:12

Associated revisions

Revision 86:be3bdf254dd2
Added by tin over 3 years ago

Added datasheets for OPamps, sch update for ADC board ID #817 @10h

Revision 86:be3bdf254dd2
Added by Ilya Tsemenko over 3 years ago

Added datasheets for OPamps, sch update for ADC board ID #817 @10h

Revision 95:ba5cbbc39d97
Added by tin over 3 years ago

Added schematics block for ADC board for Revision H,J ID #817 @0.8h

Revision 95:ba5cbbc39d97
Added by Ilya Tsemenko over 3 years ago

Added schematics block for ADC board for Revision H,J ID #817 @0.8h

Revision 122:b9b11851ca61
Added by tin over 3 years ago

Split 04 page ID #817 @2h and started Multisim model ID #883 @2h

Revision 122:b9b11851ca61
Added by Ilya Tsemenko over 3 years ago

Split 04 page ID #817 @2h and started Multisim model ID #883 @2h

Revision 123:d8d12bb85c3e
Added by tin over 3 years ago

Rev 0.1 schematics pages 04a,04b,04c, ADC Board ID #817 @8h

Revision 123:d8d12bb85c3e
Added by Ilya Tsemenko over 3 years ago

Rev 0.1 schematics pages 04a,04b,04c, ADC Board ID #817 @8h

Revision 124:732591b4a305
Added by tin over 3 years ago

Rev 0.1 analog curcuitry finished on ADC Board ID #817 @5h

Revision 124:732591b4a305
Added by Ilya Tsemenko over 3 years ago

Rev 0.1 analog curcuitry finished on ADC Board ID #817 @5h

Revision 125:01d492e3955e
Added by tin over 3 years ago

Added function combined page file for ADC Board ID #817 @0.1h

Revision 125:01d492e3955e
Added by Ilya Tsemenko over 3 years ago

Added function combined page file for ADC Board ID #817 @0.1h

Revision 132:b3d23865ac4d
Added by tin over 3 years ago

Rev 0.2 for ADC board, ID #817 @4h

Revision 132:b3d23865ac4d
Added by Ilya Tsemenko over 3 years ago

Rev 0.2 for ADC board, ID #817 @4h

Revision 133:9601014cdfe8
Added by tin over 3 years ago

Rev 0.2 for ADC board, merge, ID #817 @4h

Revision 133:9601014cdfe8
Added by Ilya Tsemenko over 3 years ago

Rev 0.2 for ADC board, merge, ID #817 @4h

History

#1 Updated by tin over 3 years ago

  • % Done changed from 30 to 70

#2 Updated by tin over 3 years ago

  • % Done changed from 70 to 90

Added Revision H,J information, fixed connector signal names per Rev H ADC board silkscreen

#3 Updated by tin over 3 years ago

VR801 section fixed
U811 checked

#4 Updated by tin over 3 years ago

Final schematics for ADC section:

U811,U810 + precision passives
7.680MHz clock generator
74HC74 logic and associated FET gates
Gain amp?
Zero-cross comparator after intergator?

#5 Updated by tin over 3 years ago

#7 Updated by tin over 3 years ago

Analog section is updated for final checks.
iZerg, please help to review attached PDF.

All works suspended now until review/feedback received.

#8 Updated by tin over 3 years ago

DCV voltage measurement mode, 20V range
U816.6 output - cyan channel
U813.6 output - yellow channel

#9 Updated by tin over 3 years ago

Added US patent covering multislope ADC.
Thanks to Neekeetos

#10 Updated by tin over 3 years ago

Rev 0.2 ADC schematics.
Clean up, redraw CPLD symbol, redraw digital signaling from registers.

#11 Updated by tin about 2 years ago

  • Status changed from Feedback to Resolved

#12 Updated by tin about 2 years ago

  • Status changed from Resolved to Closed

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