In one embodiment the present invention includes a method of generating an oscillating
signal at different frequencies. The method comprises configuring a digitally controlled …

An oscillator is provided. The oscillator is configured for generating an output signal which is
phase locked to an input signal. The oscillator comprises a controlled oscillator con figured …

A digitally controlled oscillator device includes a programming input, a selection input and
an oscillator core with a first capacitive element which is frequency determining and …

US8600324B1 - Circuit and method for adjusting a digitally controlled oscillator - Google Patents
US8600324B1 - Circuit and method for adjusting a digitally controlled oscillator - Google Patents …

(57) ABSTRACT A signal generator circuit having enhanced control resolution includes a
variable frequency oscillator having a first control input adapted to receive a first signal and …

Viewed from one aspect, the present technique provides oscillator regulation circuitry
comprising: control circuitry to generate an oscillator control signal for regulating a frequency …

(57) ABSTRACT A circuit includes a controllable oscillator and a controller coupled to the
controllable oscillator. The controller is con figured to provide a current control and again …

An amplitude control circuit includes a pair of peak detectors. The pair of peak detectors are
responsive to a Voltage refer ence generator. The amplitude control circuit is configured to …

(58) Field of Classification Search................. 33 1/186,(57) ABSTRACT 33 1/16; 327/337 See
application file for complete search history. Anapparatus for generating an oscillating signal …

A digitally controlled oscillator is provided. The digitally controlled oscillator includes a pair
of transistors cross-coupled to each other, a switched capacitor array coupled to the pair of …