Darlington complementary circuit for preventing zero crossover d

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

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307255, H03K 326, H03K 1760

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active

044672268

ABSTRACT:
A Darlington complementary circuit including first and second signal channel Darlington pairs each of which pair has an input and output transistor, wherein a diode is coupled in series with the base-emitter path of the output transistor of each pair to assure simultaneous turn-off of the transistors of each pair, and thereby prevent distortion of an output signal as one pair ceases operation and the other pair begins operation.

REFERENCES:
patent: 3533007 (1970-10-01), Segar
patent: 3538353 (1970-11-01), Hanger
patent: 4149098 (1979-04-01), Wright
Toshiba, IC Technical Handbook for Toshiba Operational Amplifier IC, Second Edition, Apr. 19, 1977, pp. 34 and 35.
Toshiba, IC Technical Handbook for Toshiba Acoustic Linear IC (for Low Frequency) 5th Edition, May, 1980, pp. 66, 69 and 72.

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