Voltage-to-current converter

Details Voltage-to-current converter Voltage-to-current converter

1989-08-11

1990-10-02

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323316, 307261, 3072966, G05F 320

Patent

active

049610465

ABSTRACT:
By compensating for the base-emitter voltage of the transistor T.sub.1 by means of the base-emitter voltage of the transistor T.sub.4 the voltage U.sub.z across the impedance Z is made equal to the input voltage U.sub.i. The current I.sub.z through the impedance Z and the equal output current I.sub.O are then proportional to the input voltage U.sub.i and are highly linear.

REFERENCES:
patent: 4412186 (1983-10-01), Nagano
patent: 4528496 (1985-07-01), Naokawa et al.
patent: 4563632 (1986-01-01), Palara et al.
patent: 4591804 (1986-05-01), van Tuijl
patent: 4771227 (1988-09-01), Nelson
patent: 4857864 (1989-08-01), Tanaka et al.

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