User contributions for Gregor

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20 November 2024

  • 08:2608:26, 20 November 2024 diff hist +20 Main PageMoved the 160 series and 2600 series into the "modular instruments" heading (they were scattered under tube scopes and 2000 series scopes) current

16 November 2024

12 November 2024

5 November 2024

4 November 2024

30 October 2024

28 October 2024

25 October 2024

21 October 2024

14 October 2024

11 October 2024

  • 08:0308:03, 11 October 2024 diff hist +592 N Keithley 160/RepairsCreated page with "==All ranges broken== If all ranges on your instrument are broken, but the power supply is fine, it check the analog output on the rear of the instrument. It is directly connected to the output of QA703 (an LM201 op-amp). Since the analog output connector is a open two-prong type it is very susceptible to accidental shorting. After replacing the op-amp, my instrument came back to life. I added a 1 kΩ resistor in series with the external output connector, to prevent acc..." current

2 October 2024

29 August 2024

21 August 2024

15 August 2024

14 August 2024

13 August 2024

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