Method and apparatus for optimizing the performance of a power a

Details Method and apparatus for optimizing the performance of a power a Method and apparatus for optimizing the performance of a power a

1991-01-04

1992-06-02

Laroche, Eugene R.

Amplifiers

Hum or noise or distortion bucking introduced into signal...

330151, 455 63, 455126, 455 501, H03F 126

Patent

active

051190400

ABSTRACT:
The present invention discloses a method and apparatus for optimizing the performance of a power amplifier circuit. In accordance therewith, one of the intermodulation products generated during a power amplifier's operation is selected. This selection is based upon the intermodulation product's amplitude. Next, the intermodulation product's amplitude is compared to a predetermined threshold. Based upon this comparison, various power amplifier circuit operating parameters are altered in order to improve the circuit's intermodulation performance or to maximize its operating capacity.

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"Intermodulation Interference in Radio Systems", by Wallace C. Babcock, The Bell System Technical Journal, Jan. 1953, pp. 63-73.
"Intermodulation Effects in Limiter Amplifier Repeaters" by Frederick E. Bond and Harold F. Meyer, IEEE Transactions on Communication Technology, vol. Com-18, No. 2, Apr. 1970, pp. 127-135.
"Consideration of Nonlinear Noise and its Testing in Frequency Division Multiplex Voice UHF Radio Communication Systems", by Leang P. Yeh, IRE Transactions on Communications Systems, pp. 115-129.

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