Skewless differential switch and DAC employing the same

Details Skewless differential switch and DAC employing the same Skewless differential switch and DAC employing the same

1996-01-05

1997-11-18

Gaffin, Jeffrey A.

Coded data generation or conversion

Analog to or from digital conversion

With particular solid state devices

341144, 327 51, H03K 32885

Patent

active

056892578

ABSTRACT:
A differential switch accepts a binary control signal and its complement (which may be skewed with respect to the control signal) and latches both signals simultaneously. The latched output signals drive the control terminals of a differential switch pair which connects one of two terminals to a third terminal, depending upon the state of the control terminals. The differential switch may optionally include an inverter which complements the binary control signal, thus eliminating the need for external inversion of the control signal. The switch is particularly applicable for use in a digital to analog converter.

REFERENCES:
patent: 4629909 (1986-12-01), Cameron
Daniel H. Sheingold et., Analog-Digital Conversion Handbook, Prentice Hall, Englwood Cliffs, New Jersey, 1986, pp. 191-206.
Paul Horowitz, Winfield Hill, The Art of Electronics, Cambridge University Press, New York, 1989, pp. 142-143.
"A 20-Gb/s Flip-Flop Circuit Using Direct-Coupled FET Logic", IEEE Journal of Solid State Circuits, vol. 28, No. 10, Oct. 1993, pp. 1046-1051.

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