Soft switching for Cartesian feedback loop control with a transm

Details Soft switching for Cartesian feedback loop control with a transm Soft switching for Cartesian feedback loop control with a transm

1997-09-26

1999-08-31

Mottola, Steven J.

Amplifiers

Combined with automatic amplifier disabling switch means

330110, 455126, H03F 134

Patent

active

059458763

ABSTRACT:
A feedback circuit for use with a power amplifier is disclosed. A feedback circuit includes means for providing An inactive state wherein the input for the feedback circuit comprises an output of the loop filter operational amplifier and an active state wherein the input for the feedback circuit consists of a coupled, demodulated power amplifier output. A soft switching circuit is included for gradually switching between the inactive and active states, such that transient spikes are prevented within the feedback circuitry signal.

REFERENCES:
patent: 5559468 (1996-09-01), Gailus et al.
patent: 5623226 (1997-04-01), Whitmarsh et al.

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