Amplifiers – With semiconductor amplifying device – Including field effect transistor
Patent
1990-12-18
1992-11-17
Mottola, Steven
Amplifiers
With semiconductor amplifying device
Including field effect transistor
330288, H03H 316
Patent
active
051650541
ABSTRACT:
A linear voltage-to-current converter (LVCC) circuit includes two transistors, one P-channel and one N-channel. The input voltage is applied to the gates of both transistors. The drains of the two transistors are connected. The source of the p-type transistor is connected to a first voltage rail, and the source of the N-channel is connected to a second voltage rail of lower voltage. The output is the difference between the current through the P-channel transistor and the N-channel transistor. A linear current-to-voltage converter (LCVC) circuit is similar to the LVCC circuit, except that the gates of the transistors are tied to the drains of the transistors. The input current is supplied to the drains, and the output voltage is the voltage of the drains.
REFERENCES:
patent: 3946327 (1976-03-01), Hsu
patent: 4032864 (1977-06-01), Yanashiro et al.
patent: 4068090 (1978-01-01), Komatsu et al.
patent: 4071830 (1978-01-01), Huntington
patent: 4361797 (1982-11-01), Kojima et al.
patent: 4818901 (1989-04-01), Young et al.
patent: 4835487 (1989-05-01), Doyle et al.
Gribble Glenn E.
Mead Carver A.
Platt John C.
Wall Michael F.
D'Alessandro Kenneth
Mottola Steven
Synaptics Incorporated
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