Circuits for linear conversion between currents and voltages

Details Circuits for linear conversion between currents and voltages Circuits for linear conversion between currents and voltages

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.

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