Differential decoder circuit

Details Differential decoder circuit Differential decoder circuit

1996-07-26

1999-03-23

Gaffin, Jeffrey A.

Coded data generation or conversion

Digital code to digital code converters

To or from differential codes

341144, H03K 19086

Patent

active

058866531

ABSTRACT:
Disclosed is a differential decoder circuit, which has: a pair of first and second transistors which form a differential connection, wherein a base of the first transistor is supplied with a reference bias voltage and a base of the second transistor is supplied with an input signal to be decoded to thereby output a decode output depending on the input signal from collector outputs of the first and second transistors; a constant-voltage source; a first bias means for supplying a bias voltage determined by a constant voltage of the constant-voltage source with the base of the first transistor; and a second bias means for supplying the alternative of a voltage determined by the input signal and the voltage determined by the constant voltage depending on a level of the input signal with the base of the second transistor.

REFERENCES:
patent: 4571508 (1986-02-01), Koga et al.
patent: 5075567 (1991-12-01), Kubota
patent: 5138318 (1992-08-01), Hatsuzawa
patent: 5237214 (1993-08-01), Usami

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