Sampling mixer with asynchronous clock and signal domains

Details Sampling mixer with asynchronous clock and signal domains Sampling mixer with asynchronous clock and signal domains

2005-01-03

2009-11-24

Vo, Nguyen (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

C455S324000

Reexamination Certificate

active

07623838

ABSTRACT:
A mixer1100with a plurality of signal paths typically requires separate clock generating hardware for each signal path. However, the redundancy of having multiple clock generating hardware significantly increases power consumption and integrated circuit area when the mixer1100is integrated into silicon. A method and apparatus1125containing a circuit for generating a set of clock signals that can be shared by the different signal paths is presented. Advantage is taken of the significant capacitance difference between different sampling capacitors in the mixer and the superposition property.

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