Digital DC correction circuit for a linear transmitter

Details Digital DC correction circuit for a linear transmitter Digital DC correction circuit for a linear transmitter

1996-02-12

1997-10-07

Mullins, James B.

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330279, 330149, 455126, H03G 330

Patent

active

056752873

ABSTRACT:
An amplifier structure (200) includes a main amplifier loop (203) for efficiently amplifying an input signal at a power amplifier (228) coupled to a load susceptible to impedance variations. The amplifier structure (200) includes a DC correction circuit (214) for detecting and correcting misadjustments in the amplifier (200) in order to eliminate DC offset associated therewith.

REFERENCES:
patent: 4933986 (1990-06-01), Leitch
patent: 5066923 (1991-11-01), Gailus et al.
patent: 5175879 (1992-12-01), Ellingson et al.
patent: 5304947 (1994-04-01), Carlsson
patent: 5574994 (1996-11-01), Huang et al.
patent: 5584059 (1996-12-01), Turney et al.

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