Amplifier circuit with output delay selectively changed...

Details Amplifier circuit with output delay selectively changed... Amplifier circuit with output delay selectively changed...

2007-04-10

2007-04-10

Nguyen, Linh My (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synchronizing

C327S158000

Reexamination Certificate

active

10824361

ABSTRACT:
An amplifier circuit having an output delay that is selectively changed in accordance with a common mode voltage level. A replica delay circuit adapted for use within an internal clock generator include such an amplifier circuit. The amplifier circuit includes a first amplifier generating internal signal in response to input signals changes a common mode voltage level of the internal signals in response to control signals. The amplifier also includes a second amplifier comparing voltage levels of the internal signals, generating an output signal in accordance with a comparison result, and changing a duty cycle of the output signal when the common mode voltage level of the internal signals is changed.

REFERENCES:
patent: 6518807 (2003-02-01), Cho
patent: 6552587 (2003-04-01), Kim et al.
patent: 6754841 (2004-06-01), Yang

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