Method and apparatus for a linear transmitter

Details Method and apparatus for a linear transmitter Method and apparatus for a linear transmitter

1994-11-03

1996-10-08

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

With feedback of modulated output signal

455115, 455116, H01Q 1112, H04B 104

Patent

active

055640877

ABSTRACT:
A method and apparatus is provided for a transmitter (200) with a stable, linear response. The transmitter (200) includes an amplification stage (242), and a negative feedback correction loop (244) with a feedback signal (252). A reference signal (251) is combined with the feedback signal (252) to produce an error signal (253) for coupling to the amplification stage (242). Transmitter parameters are varied when a difference between the reference signal (251) and the error signal (253) exceeds a particular threshold.

REFERENCES:
patent: 4630315 (1986-12-01), Watkinson
patent: 4933986 (1990-06-01), Leitch
patent: 5021753 (1991-06-01), Chapman
patent: 5066922 (1991-11-01), Leitch
patent: 5066923 (1991-11-01), Gailus et al.
patent: 5121077 (1992-06-01), McGann
patent: 5175879 (1992-12-01), Ellingson et al.
patent: 5302913 (1994-04-01), Hori
patent: 5423082 (1995-06-01), Cygan et al.
patent: 5469105 (1995-11-01), Sparks

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