Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1991-08-19
1992-04-21
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
328160, 307498, H03F 345
Patent
active
051071495
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: 3714462 (1973-01-01), Blackman
patent: 4071777 (1978-01-01), Herrmann
patent: 4556804 (1985-12-01), DeWitt
patent: 4978873 (1990-12-01), Shoemaker
patent: 5049758 (1991-09-01), Mead et al.
patent: 5059320 (1991-10-01), Anderson et al.
Evert Seevinck, "A Versatile CMOS Linear Transconductor/Square-Law Function circuit", Jun. 1987, pp. 365-377.
Gribble Glenn E.
Mead Carver A.
Platt John C.
Wall Michael F.
D'Alessandro Kenneth
Miller Stanley D.
Synaptics Inc.
Tran Sinh N.
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