Digital baseband receiver with DC discharge and gain control...

Details Digital baseband receiver with DC discharge and gain control... Digital baseband receiver with DC discharge and gain control...

2007-10-09

2007-10-09

Nguyen, Tony T. (Department: 2618)

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

C455S076000, C455S078000, C455S088000, C455S208000, C375S316000, C375S324000

Reexamination Certificate

active

10832594

ABSTRACT:
A digital baseband (DBB) receiver for receiving and processing a wireless communication signal. The DBB receiver includes at least one low noise amplifier (LNA), at least one demodulator, a direct current (DC) discharge circuit and an LNA control circuit. The LNA selectively amplifies the communication signal. The demodulator outputs analog real and imaginary signal components on real and imaginary signal paths, respectively, in response to receiving the communication signal from the LNA. The DC discharge circuit selectively discharges DC accumulating on at least one of the real and imaginary signal paths. The LNA control circuit turns the LNA on or off.

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