Episode 777
What is input impedance?. How much do you need and why. I measure HP and Keithley first then an inexpensive multimeter.
Bonus: ImsaiDog electronics
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0:00 Begin
2:22 Bad Reading?
4:02 HP34401a settings
5:00 Measure AN870
6:40 Drawing
8:55 IMSAI Dog!

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