Input buffer with temperature compensated hysteresis and thresho

Details Input buffer with temperature compensated hysteresis and thresho Input buffer with temperature compensated hysteresis and thresho

1991-08-09

1992-06-09

Pascal, Robert J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307310, H03K 1900

Patent

active

051210045

ABSTRACT:
An input buffer apparatus receives data from a single ended transmission line and provides an output signal in one or two states in response to the state of the signal on the input. The apparatus has hysteresis with temperature stable upper and lower thresholds. Temperature stability is achieved by providing first and second temperature dependent reference currents, one with a positive temperature coefficient and one with a negative temperature coefficient and by adjusting the temperature coefficients of the first and second reference currents so that the sum effect of all of the temperature coefficients of the system is substantially zero.

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