Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-03-23
1994-03-29
Wambach, Margaret R.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307355, 307546, 3072964, 330258, G06G 710, H03K 522
Patent
active
052988090
ABSTRACT:
A balanced type differential amplifier circuit including a mutual-conductance differential amplifier circuit having two differential output terminals, a constant-current circuit for supplying an operating current to the mutual-conductance differential amplifier circuit, two resistors connected in series across the two differential output terminals in order to detect an in-phase component of output voltages of the two differential output terminals, and a circuit for adjusting a value of the operating current supplied by the constant-current circuit according to the value of the detected in-phase component.
REFERENCES:
patent: 3786362 (1974-01-01), Marsh et al.
patent: 4616189 (1986-10-01), Pengue, Jr.
patent: 4701719 (1987-10-01), Nagata
patent: 4742308 (1988-05-01), Banu
patent: 4752744 (1988-06-01), Aoki
patent: 4835488 (1989-05-01), Garuts
patent: 4901030 (1990-02-01), Webster
patent: 5180932 (1993-01-01), Bengel
Sharp Kabushiki Kaisha
Wambach Margaret R.
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