Amplifiers – Hum or noise or distortion bucking introduced into signal...
Patent
1975-10-31
1976-11-23
Mullins, James B.
Amplifiers
Hum or noise or distortion bucking introduced into signal...
330151, HO3F 128
Patent
active
039939618
ABSTRACT:
Method and apparatus are disclosed to permit an advantageous reduction in the cost and size of a compensating conventional or parallel feedforward amplifier. By adjusting the main power amplifier to generate a distortion component which is greater than normally generated by the main power amplifier in prior art conventional or parallel feedforward amplifiers, the amplification factor of the auxiliary power amplifier in the conventional feedforward amplifier or the amplification factor of the auxiliary power amplifier and the attenuation factor in the interstage coupler in the parallel feedforward amplifier can be relaxed.
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Bell Telephone Laboratories Incorporated
Mullins James B.
Pfeifle Erwin W.
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