Low-power feedforward amplifier

Details Low-power feedforward amplifier Low-power feedforward amplifier

1987-06-29

1989-03-14

Wan, Gene

Amplifiers

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

330151, 330278, H03F 126, H03G 310

Patent

active

048127795

ABSTRACT:
A feedforward trunk amplifier having the distortion advantages associated with the feedforward topology while providing significantly reduced power consumption and cost. The trunk amplifier has a discrete preamplifier including active gain and slope control, and a low-power feedforward output stage including a medium-gain, hybrid main amplifier, a high-gain, discrete error amplifier having two gain stages which share the same bias current, and miniature coaxial cable delay lines mounted on the cover of the amplifier housing.

REFERENCES:
patent: 4258328 (1981-03-01), Prevot et al.
patent: 4677390 (1987-06-01), Wagner

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