NASA NTRS · 19730000389
Meter circuit for tuning RF amplifiers
Abstract
Circuit computes and indicates efficiency of RF amplifier as inputs and other parameters are varied. Voltage drop across internal resistance of ammeter is amplified by operational amplifier and applied to one multiplier input. Other input is obtained through two resistors from positive terminal of power supply.
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Longthorne, J. E.. 1973-09-01. Meter circuit for tuning RF amplifiers. https://ntrs.nasa.gov/citations/19730000389
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