Two-stage differential microwave amplifier with bias current sha

Details Two-stage differential microwave amplifier with bias current sha Two-stage differential microwave amplifier with bias current sha

1997-09-30

1999-03-30

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330254, 330260, 330311, H03F 345, H03H 330

Patent

active

058894322

ABSTRACT:
A multi-stage differential amplifier includes first and second DC current paths with first and second stage amplification transistors included in each current path so that both stages share the same DC bias current. In one embodiment, an automatic gain control circuits are included in the second stage to control gain and maintain low noise figure.

REFERENCES:
patent: 3838210 (1974-09-01), Peil
patent: 3988598 (1976-10-01), Ishigaki et al.

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