A Power Measuring Device for Use at Ultra High Frequencies ... |
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20 milliwatts 20 W wire 400 v paper 450 v electrolytic 50 ohms 600 v paper ambient temperature Amphenol amplifier gain appear in Table appears in Curve audio frequency voltage bias adjustment bridge arms bridge balance bridge circuit bridge unbalance bring the bridge carbon center conductor changes d-c current d-c voltage data appear decrease Dewar flask Equations 13 held constant impedance impedance match indicated input instrument magnitude meter microwatts mineral oil mistor Ohm's Law ohms G OSCILLATOR output voltage P₂ pi network possible Potentiometer power measurements R₁ radio frequency energy radio frequency power radio frequency source referred to 50 Referring to Equation regulation characteristic remain constant RESISTANCE TEMP room temperature Substituting switch THERMISTOR CURRENT thermistor holder thermistor resistance thermistor temperature thermometer transmission factor tube ULTRA HIGH FREQUENCIES unknown power unknown radio frequency unknown voltage variable variation voltage is applied voltmeter volts r.m.s. WATTMETER Western Electric Wollaston wire zero