High sensitivity dual function meter circuit

Details High sensitivity dual function meter circuit High sensitivity dual function meter circuit

1979-12-28

1980-12-23

Ng, Jin F.

Telecommunications

Transmitter

Measuring, testing, or monitoring of transmitter

455226, 324119, H04B 1700

Patent

active

042414482

ABSTRACT:
In a radio receiver or transmitter circuit, a high sensitivity dual function meter circuit for metering the DC and AC operation of a circuit stage is constructed by connecting a detector diode to a point in the source or emitter circuit of the metered stage rather than to ground. High sensitivity is obtained by passing both the DC and AC current through the detector diode so that a smaller AC voltage swing can be detected.

REFERENCES:
patent: 3746984 (1973-07-01), Cerveny
patent: 4128810 (1978-12-01), Ogita

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