RF Amplifier apparatus

Details RF Amplifier apparatus RF Amplifier apparatus

1981-02-10

1983-04-19

Mullins, James B.

Amplifiers

With amplifier bypass means

H03F 3189

Patent

active

043807380

ABSTRACT:
Apparatus for interconnecting two or more high gain, low input impedance amplifier stages for high gain amplification. A first amplifier stage (12) provides a first amplified signal to a coupling circuit. The coupling circuit (26) divides the power of the first amplified signal between the input to a second amplifier stage (14) and a feed forward path (28). The output of the second amplifier stage is combined with the feed forward portion of the first amplified signal in a signal combiner (30). Embodiments (FIGS. 4, 5) employing more than two amplifier stages are described.

REFERENCES:
patent: 3168707 (1965-02-01), Levitt et al.
patent: 3434070 (1969-03-01), Bartink et al.
patent: 3789314 (1974-01-01), Beurrier
patent: 4028634 (1977-06-01), Tentarelli
patent: 4048579 (1977-09-01), Carlson
patent: 4130807 (1978-01-01), Hall et al.
Sansui Advertisement, Stereo Review, Jan. 1981, pp. 34, 35.

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