Data slicer with hold

Details Data slicer with hold Data slicer with hold

1992-09-21

1994-11-15

Wolfe, Willis R.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327165, 327209, H03K 508

Patent

active

053651200

ABSTRACT:
A data slicer including a comparator and a clamping circuit has been provided wherein the clamping circuit functions to clamp a signal appearing at a first input of the comparator to a predetermined voltage swing. The first input of the comparator is coupled through a capacitive element to receive an input signal. The clamping circuit includes a first diode being coupled between the first input of the comparator and a first voltage. The clamping circuit also includes a transistor having its current carrying electrodes coupled between a first supply voltage terminal and the first input of the comparator. The control electrode of the transistor is coupled to receive a second voltage. The second input of the comparator is coupled to receive a bias voltage which is substantially equal to the midpoint of the first and second voltages. The data slicer further includes a hold circuit for disabling the clamping circuit.

REFERENCES:
patent: 4652774 (1987-03-01), Hasegawa
patent: 4686385 (1987-08-01), Sharpe
patent: 4728815 (1988-03-01), Main
patent: 4902970 (1990-02-01), Suquet
patent: 4943736 (1990-07-01), Kihara et al.
patent: 4967099 (1990-10-01), Mori

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