Low-Noise Oscillator Amplitude Regulator

The oscillator control circuit of claim 13, wherein the second feedback circuit is further configured to control the second control signal to change the one or more amplitude regulating parameters responsive to an upcoming random access channel transmission event, an upcoming radio transmission event, and/or an upcoming radio reception event.

The oscillator control circuit of claim 13, wherein the first feedback circuit is further configured to control the amplitude of the oscillator output, responsive to the detected amplitude, by continuously controlling a gain of the oscillator.

(canceled)

The method of claim 16, wherein the controlling of the one or more amplitude regulating parameters is responsive to an upcoming random access channel transmission event, an upcoming radio transmission event, and/or an upcoming radio reception event.

The method of claim 16, wherein controlling the amplitude of the oscillator output comprises continuously controlling a gain of the oscillator responsive to the detected amplitude.

(canceled)

The wireless communication device of claim 18, wherein the second feedback circuit is further configured to control the second control signal to change the one or more amplitude regulating parameters responsive to an upcoming random access channel transmission event, an upcoming radio transmission event, and/or an upcoming radio reception event.

The wireless communication device of claim 18, wherein the first feedback circuit is further configured to control the amplitude of the oscillator output, responsive to the detected amplitude, by continuously controlling a gain of the oscillator.

An oscillator control circuit comprising:

• a first feedback circuit operatively connected to an amplitude detector and a first control input of an oscillator, the first feedback circuit configured to control an amplitude of an output of the oscillator by continuously applying a first control signal to the first control input in response to an amplitude detected by the amplitude detector;
• and
• a second feedback circuit operatively connected to the amplitude detector and a second control input of the oscillator, the second feedback circuit configured to provide a second control signal to control one or more amplitude regulating parameters of the oscillator only at discrete times when the oscillator is stable.

A method of controlling an oscillator, the method comprising:

• controlling an amplitude of an output of the oscillator by using a first feedback circuit to continuously apply a first control signal to a first control input of the oscillator in response to an amplitude detected by an amplitude detector;
• and
• controlling one or more amplitude regulating parameters of the oscillator only at discrete times when the oscillator is stable using a second feedback circuit to provide a second control signal.