Labels:bulletin board | clock | crt screen | earth | rock | sky OCR: (A) 0.001 RF 0-50A 1N34 0.1 OR ETC 0-1 mA GROUND (B) 1x2 ETC 0.01 1M RF TYPICALLY 10 k 1mH OR 0-50 AA 0.01 0.01 0.1 mA GROUND Figure 3. Diode voltmeters. (A) Germanium diode RF voltmeter for low voltage measurements. A 1N914 silicon diode will withstand higher volt- ages, with a small loss in sensitivity. vacuum tube diode voltmeter for high voltage RF measurements. Also useful in transmitter development. Use appropriate safety precautions.