IP Library › Patent Application 14714772
Patent Application
App. No. 14/714,772

RADIO FREQUENCY TUNER

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Quick Facts
Patent No.
US None
App. No.
14/714,772
Abstract

A RF tuner is described for handling RF signals in a broad frequency range and a broad power range while maintaining high linearity and tolerating high power blockers. A continuous feedback loop comprising a substantially linear LNA and a radio frequency RSSI can adjust the power of the RF signal on the RF side. On the IF side, a continuous feedback loop comprising a substantially linear, variable gain transconductor and a RSSI can adjust the power of the IF signal.

Claims (5)

1 . A method for processing a RF signal in a RF receiver, comprising:

receiving the RF signal at the RF receiver;

attenuating the RF signal in a component with an adjustable level of attenuation;

measuring the power of the signal; and

adjusting the level of attenuation in the component in an analog feedback loop based on the measured power.