Offset cancellation system for a communication system receiver

Details Offset cancellation system for a communication system receiver Offset cancellation system for a communication system receiver

2005-08-02

2005-08-02

Tran, Pablo N. (Department: 2685)

Telecommunications

Receiver or analog modulated signal frequency converter

With particular receiver circuit

C455S130000, C455S323000, C455S317000, C375S319000

Reexamination Certificate

active

06925295

ABSTRACT:
A receiver circuit is disclosed for use in a communication system. The receiver circuit includes a forward path with a channel selection filter and a feedback path. The output of the channel selection filter is provided to an output device. The feedback path includes a feedback filter and a mixer. The input of the feedback filter is coupled to the output of the channel selection filter and the output of the feedback filter is coupled to a first input of the mixer. The second input of the mixer is coupled to a multi-frequency signal generator, and the output of the mixer is coupled to the forward path of the receiver circuit.

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