Regulated cascode amplifier with small-sized feed-back...

Details Regulated cascode amplifier with small-sized feed-back... Regulated cascode amplifier with small-sized feed-back...

2007-10-09

2007-10-09

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including plural stages cascaded

C330S098000

Reexamination Certificate

active

11053158

ABSTRACT:
A regulated cascode amplifier includes a main cascode amplifier and a feed-back amplifier. The main cascode amplifier has an input transistor coupled in a stack with an output transistor at an input control node. The feed-back amplifier including a plurality of transistors with gates of the transistors being coupled together to the input control node and with drains of the transistors being coupled together at a gate of the output transistor. The transistors of the feed-back amplifier are biased from connections to the main cascode amplifier for smaller chip area.

REFERENCES:
patent: 5285171 (1994-02-01), Bult et al.
patent: 5451909 (1995-09-01), Fattaruso
patent: 5892356 (1999-04-01), Chuang
patent: 6707286 (2004-03-01), Gregoire, Jr.
patent: 6965270 (2005-11-01), Ross
patent: 7026843 (2006-04-01), Yang et al.
patent: 2006/0139097 (2006-06-01), Mukherjee et al.
Korean Patent Application No. 10-1994-0003108 to Fattaruso entitled “Feedback Amplifier for Regulated Cascode Gain Enhancement” (w/ English Abstract page).
European Patent Application No. 90201096.6 to Bult et al. entitled “Amplifier Arrangement”.
Japanese Patent No. JP7022858 to Fattaruso, having Publication date of Sep. 21, 1994 (w/ English Abstract page).
Korean Patent Application No. 950005560 to Kim et al, having Publication date of Aug. 14, 1998 (w/ English Abstract page).

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