Amplifier circuit using feedback load

Details Amplifier circuit using feedback load Amplifier circuit using feedback load

1989-11-20

1991-09-03

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

307455, 330294, H03F 345

Patent

active

050458078

ABSTRACT:
An amplifier circuit of this invention includes a first-stage amplifier, an amplifier element connected to the output terminal of the first-stage amplifier as a feedback load, and a further amplifier element connected between the output and input terminals of the amplifier element, and performs negative feedback through a load of the first-stage amplifier. As the amplifier element, a transistor is used, and as the further amplifier element, an emitter-follower transistor is used.

REFERENCES:
patent: 2810025 (1957-10-01), Clements
patent: 3399357 (1968-08-01), Weilerstein
patent: 3466630 (1969-09-01), Mayne et al.
patent: 3796896 (1974-03-01), Fulton et al.
patent: 3927382 (1975-12-01), Oki
"Computer Aided Design of a 1 GHz Bandwidth Monolithic Integrated Amplifier", H. Hillbrand et al. ESSCI-RC, 1977, pp. 122-124.
"Bipolar High-Gain Limiting Amplifier IC for Optical-Fiber Receivers Operating Up to 4 Gbit/s", R. Reimann et al., IEEE Journal of Solid-State Circuits, vol. SC-22, No. 4, Aug. 1987.
"Monolithic Integration of UHF Amplifiers", 1973 IEDM Technical Digest (1973), pp. 232-235.

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