A quadrature signal generator receives a differential input signal and generates quadrature
output signals that are 90 degrees out-of-phase with each other. The quadrature generator …

A static phase interpolator includes first and second plurality of inverters coupled in parallel
between an output node and first and second input nodes for receiving first and second …

(57) ABSTRACT A phase error detector that detectS phase error between differential
Signals. A quadrature oscillator provides in-phase (I) and quadrature phase (Q) differential …

A high frequency input signal comparator for optimizing group delay, reducing input
frequency dependent offset and an offset auto-zeroing latch core are described. The …

A linearity compensation circuit provides cancellation of harmonic distortion introduced by a
non-linear system into an input signal by providing a separate harmonic correction …

Oscillator circuitry is provided that is based on a ring of inverters. The ring of inverters may
be single-ended or differential inverters. Digitally controlled adjustable load capacitors may …

BACKGROUND The present invention relates generally to power inverters, and in particular
to a system and method for controlling paralleled inverters using pulse-width modulation …

A circuit that provides samples of in-phase and quadrature components of an input
waveform includes an oversampling ADC that receives the input waveform and converts the …

US7570124B2 - Low power frequency division and local oscillator generation - Google Patents
US7570124B2 - Low power frequency division and local oscillator generation - Google Patents …

110 DLLCLK 45 DLLCLK 135 DLCLK225 DLLCLK315 coupled to receive the first and
second signals from the first circuit. The phase mixer includes multiple current drivers each …