Amplifying with directly coupled, cascaded amplifiers

Details Amplifying with directly coupled, cascaded amplifiers Amplifying with directly coupled, cascaded amplifiers

1989-03-23

1990-11-27

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including plural stages cascaded

330200, H03F 368

Patent

active

049739190

ABSTRACT:
A signal is amplified with a plurality of amplifiers, each amplifier having a reference port, a reference node coupled to the reference port, and a signal port, and each amplifier being supplied by a power source with operating potential with respect to the reference node that is coupled to the reference port of that amplifier. The amplifiers are cascaded in a manner selected so that the output of a first amplifier (which receives the signal to be amplified at its input port) drives the reference node of a second amplifier, and the reference node of the first amplifier provides an input at the signal port of the second amplifier, whereby the first and second amplifiers are directly coupled together to amplify the applied signal.

REFERENCES:
patent: 3423689 (1969-01-01), Miller et al.
patent: 4454480 (1984-06-01), Allfather et al.
patent: 4559502 (1985-12-01), Huijsing
patent: 4588956 (1986-05-01), de Corlieu et al.

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