Buffer circuit

Details Buffer circuit Buffer circuit

2006-10-03

2006-10-03

Pascal, Robert (Department: 2817)

Amplifiers

Sum and difference amplifiers

C330S085000

Reexamination Certificate

active

07116163

ABSTRACT:
A buffer circuit comprised of two matched stages is provided. The first stage develops a replica voltage that is used in the second stage as the input to a wide-band amplifier. The combination of the two feedback loops in the circuit result in improved linearity. The first amplifier dominates for moderate frequencies while the second amplifier takes over for high frequencies.

REFERENCES:
patent: 3249883 (1966-05-01), Berneike et al.
patent: 5300896 (1994-04-01), Suesserman
patent: 5621357 (1997-04-01), Botti et al.
patent: 6034566 (2000-03-01), Ohe
patent: 6144234 (2000-11-01), Nakamura
patent: 6275112 (2001-08-01), Muza
patent: 6359512 (2002-03-01), Ivanov et al.
patent: 6825721 (2004-11-01), Sanchez et al.

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