Amplifier having DC coupled gain stages

Details Amplifier having DC coupled gain stages Amplifier having DC coupled gain stages

1997-09-19

1999-06-01

Mottola, Steven J.

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

330311, H03F 3191

Patent

active

059091479

ABSTRACT:
An RF amplifier has multiple DC coupled gain stages which generate an output signal by amplifying an input RF signal. All of the transistors are NPN and directly coupled through filters. The amplifier input and output stages actively match the impedance of the RF source and load.

REFERENCES:
patent: 3355669 (1967-11-01), Avins
patent: 4371846 (1983-02-01), Gamble
patent: 5126689 (1992-06-01), Nakamura

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