Circuit for measuring N and P junction field effect transistor pairing-EEWORLD

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(2) If two American EC80 F/30V capacitors are connected in parallel, the measurement accuracy of the dynamic signal can be improved.

(3) It is best to use a digital multimeter as a DC voltmeter, which can greatly improve the resolution. At the same time, it is not necessary to frequently adjust the meter handle like a pointer multimeter.

(4) When measuring high-power tubes, it is recommended to connect a 2A fuse in series with the resistor for safety reasons.

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