Differential output circuit with stable duty

Details Differential output circuit with stable duty Differential output circuit with stable duty

2006-08-22

2008-10-28

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S055000, C327S057000

Reexamination Certificate

active

07443207

ABSTRACT:
A differential output circuit includes a bias circuit connected with a first voltage. An input circuit section includes first and second MOS transistors of a first conductive type, and the first and second MOS transistors are connected with the first voltage through the bias circuit, and gates of the first and second MOS transistors receive a differential input signal. Third and fourth MOS transistors of a second conductive type are connected with the first and second MOS transistors through first and second resistance elements, respectively, and connected with a second voltage. A first connection node between the first MOS transistor and the first resistance element is connected with a gate of the fourth MOS transistor, and a second connection node between the second MOS transistor and the second resistance element is connected with a gate of the third MOS transistor. A differential output signal is outputted from a first output node between the first resistance element and the third MOS transistor and a second output node between the second resistance element and the fourth MOS transistor in response to the differential input signal.

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