Direct-coupled wideband amplifier

Details Direct-coupled wideband amplifier Direct-coupled wideband amplifier

1986-09-25

1988-05-24

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330156, 330257, 330260, 330311, H03F 345

Patent

active

047468777

ABSTRACT:
An improved gain stage includes a pair of differentially-connected, matched, bipolar transistors and local positive feedback from the output to the collector electrode of one input transistor to provide D.C. balance and substantially enhanced voltage gain.

REFERENCES:
patent: 2761917 (1956-09-01), Aronson
patent: 2773945 (1956-12-01), Theriault
patent: 3434069 (1969-03-01), Jones
patent: 3493881 (1970-02-01), Zuch
patent: 3638132 (1972-01-01), Trilling
patent: 3668543 (1972-06-01), Bailey
patent: 3769605 (1973-10-01), Long
patent: 3868583 (1975-02-01), Krabbe
Jaeger, "A High Output Resistance Current Source", IEEE Journal of Solid-State Circuits, Aug. 1974 pp. 192-194.

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