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- Tue Sep 18, 2018 10:15 pm
- Forum: Technical Discussion
- Topic: bias: cathode current vs plate current
- Replies: 47
- Views: 10817
Re: bias: cathode current vs plate current
To find the plate current by measuring the cathode current you need to make one additional measurement. Measure the voltage across the screen grid resistor and divide by it's resistance to find the screen current. Now subtract that from your cathode current measurement to find the actual plate curre...