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Meter circuit for tuning RF amplifiersCircuit 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.
Document ID
19730000389
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Longthorne, J. E.
Date Acquired
August 7, 2013
Publication Date
September 1, 1973
Subject Category
Electronic Systems
Report/Patent Number
NPO-11865
Report Number: NPO-11865
Accession Number
73B10389
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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