Circuit for canceling thermal hysteresis in a current switch

Details Circuit for canceling thermal hysteresis in a current switch Circuit for canceling thermal hysteresis in a current switch

H - Electricity

03

K

H03K 17/14 (2006.01) H03K 17/04 (2006.01)

Patent

CA 2458426

A current switch including a first transistor (Q9) and a second transistor (Q10) connected as a differential transistor pair and receiving a differential logic signal (OUTX, OUT) at their bases, and logic signal controlling circuitry (Q11, Q12, R1, R2) coupled to the first and second transistors for offsetting a transition starting point of the differential logic signal to offset a self-heating induced shift in a switching threshold of the current switch.

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