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In the Forum: Melquiades Amplifier
In the Thread: R22
Post Subject: Three different currents that should all be the samePosted by JJ Triode on: 1/4/2022
Hi again Domidaw. Your latest results look inconsistent: a 38V drop across 50-ohm R22 would imply 0.76A or 760 mA flowing through R22. If C10 is not leaking any significant DC current then this 760 mA should be the current through R21 and point D. But you have 82 mV across the 1-ohm R21, implying 82 mA of current. Then at D you say it is only 0.920 mA! Something is wrong; perhaps the resistances are not what you think? Also, to measure a current you have to open the circuit at the desired point and make all the current flow into one lead of the meter and out the other; it is not like measuring the voltage to ground. How did you measure the current at D?Rerurn to Romy the Cat's Site