Circuit for compensating the temperature dependence of gate tran

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock

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307455, 307608, H03K 326, H03K 19086, H03K 513

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active

047587407

ABSTRACT:
A circuit for compensating the temperature dependence of gate propagation times includes a signal input for feeding-in an input signal; a signal output for issuing an output signal; a multiplexer having an output connected to the signal output and three inputs; a delay gate connected between one of the inputs of the multiplexer and the signal input, another of the inputs of the multiplexer being directly connected to the signal input; and a control input connected to a further one of the inputs of the multiplexer for controlling the multiplexer in dependence on temperature and feeding the input signal to the signal output delayed in a lower temperature range, undelayed in an upper temperature range and mixed, delayed as well as undelayed in a temperature range therebetween.

REFERENCES:
patent: 3515998 (1970-06-01), Adams et al.
patent: 3746890 (1973-07-01), Walker
patent: 3769528 (1973-10-01), Chu et al.
patent: 4593205 (1986-06-01), Bass et al.
patent: 4641048 (1987-02-01), Pollock
Patents Abstract of Japan, vol. 8, No. 139, (E-253) [1576], 28, Jun. 1984; & JP-A-5947842.
IEEE Journal of Solid-State Circuits, vol. SC-10, No. 6, Dec. 1975, pp. 524-529, New York, U.S.; Tsuneta Sudo et al., "A Monolithic 8pJ/2 GHz Logic Family"; p. 525, FIG. 1(b).

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