Fast settling digital to analog converter bit switch

Details Fast settling digital to analog converter bit switch Fast settling digital to analog converter bit switch

1979-06-28

1981-10-13

Zazworsky, John

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307542, 330252, H03K 5153, H03K 1702

Patent

active

042950635

ABSTRACT:
A bit switch for use in a digital-to-analog converter comprises three differential pairs of transistors. The first pair receives a digital input signal and a reference voltage signal. The second pair switches the bit current to either an output bus or to ground depending upon the state of the input signal. A third differential pair of transistors is coupled between the first and second pairs for minimizing adverse effects of fast input transitions and parasitic capacitance.

REFERENCES:
patent: 3619797 (1971-11-01), Merrick
patent: 4088905 (1978-05-01), Comer

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