Electronic amplifiers

Details Electronic amplifiers Electronic amplifiers

1980-11-04

1983-05-17

Mullins, James B.

Amplifiers

Modulator-demodulator-type amplifier

330146, 346108, H03F 338

Patent

active

043842585

ABSTRACT:
In an electronic amplifier having a floating output stage (42), a demand signal modulates a high frequency carrier (e.g. 20MHz) and the modulated carrier is applied to the floating output stage through a capacitance (10) of very low value (e.g. 1pf) and is then demodulated. The amplifier is preferably a bridge amplifier and each arm of the bridge may comprise a number of floating output stages, each supplied with the modulated carrier through a low-value capacitor (10). As described, the amplifier drives a crystal (40) for modulating electromagnetic radiation from a laser.

REFERENCES:
patent: 3189839 (1965-06-01), Eckhardt
patent: 3745586 (1973-07-01), Brandy
patent: 3829788 (1974-08-01), Ford

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