Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1983-10-03
1985-08-20
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330260, H03F 345
Patent
active
045367175
ABSTRACT:
A linear gain differential amplifier having feedback stabilization which is capable of providing inverted and noninverted outputs of equal amplitude is disclosed. A pair of coupled voltage following, feedback stabilized amplifier circuits provide a differential output which is a function of only the respective input signals and the passive component values in the circuit. The present invention is capable of operating at high frequencies over a wide bandwidth and is particularly adapted for video signal processing where linear gain, DC stability, phase compensation and high frequency response are required in order to prevent video luminance and chrominance fluctuations caused by differential gain and phase distortion. More specifically, the present invention is particularly adapted for use as a compensated inverting
oninverting differential amplifier such as employed in a subscription television system encoder, a full wave precision rectifier, or in any application requiring a high performance differential amplifier.
REFERENCES:
patent: 4216435 (1980-08-01), Ahmed
"201 Analog IC Designs" by the staff of Interdesign, Inc., Sunnyvale, CA, pp. 37-38.
Hauge Raymond C.
Mycynek Victor G.
Mullins James B.
Wan G.
Zenith Electronics Corporation
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