Voltage translator circuit

Details Voltage translator circuit Voltage translator circuit

1987-11-27

1989-03-21

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307362, H03K 524

Patent

active

048146358

ABSTRACT:
A voltage translator circuit generates a predetermined output voltage (e.g. one half of the supply voltage) in response to a predetermined input voltage. A pair of matched field effect transistors are coupled in series between first and second sources of supply voltage. The gate of the load transistor is coupled to a reference voltage, and the gate of the drive transistor is coupled to a source of input voltage. When both transistors are subject to the same operating conditions (at a predetermined input voltage level), their effective resistances become equal and the supply voltage is divided in half. The circuit does not depend for its operation upon precise threshold voltages of the devices as long as the devices are matched.

REFERENCES:
patent: 3975649 (1976-08-01), Kawagoe et al.
patent: 4323846 (1982-04-01), Haraszti
patent: 4603267 (1986-07-01), Kowallek
patent: 4697110 (1987-09-01), Masuda et al.

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