Grounded RF power amplifier circuit apparatus

Details Grounded RF power amplifier circuit apparatus Grounded RF power amplifier circuit apparatus

1978-02-24

1980-02-05

Griffin, Robert L.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

325149, 324110, H04B 1700

Patent

active

041874676

ABSTRACT:
Apparatus for and the method of simplifying and economizing upon transmitter power amplifier output stage circuitry is illustrated. By grounding the anode of the RF power amplifier, the FCC required plate voltage meter and plate current meters can be connected to near ground potentials and the requirements for a high voltage coupling capacitor between the anode and the antenna is eliminated. Although the specific embodiment illustrated uses a pulse-width modulated cathode modulation scheme, any type of cathode modulation will perform in accordance with the concepts of this invention.

REFERENCES:
patent: 1938136 (1933-12-01), Crew
patent: 2534928 (1950-12-01), Schneeberger
patent: 3281697 (1966-10-01), Hansen et al.
patent: 3496471 (1970-02-01), Shelton

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