(57) ABSTRACT A phase controller can be part of a phase-locked loop (PLL) or a delay-
locked loop (DLL). The phase controller includes first and second regulators. The first …

BACKGROUND Input devices, such as microphones or other devices pro viding an analog
signal sensitive to introduced noise, being connected by wire and relying on an applied bias …

Many electronic devices include multiple components coupled together by one or more data
interfaces. For example, a cellular telephone may include a processor core coupled to a …

A charge pump circuit is disclosed, including: a dummy current path comprising a first
junction node; a normal current path comprising a second junction node; a switch, coupled …

To provide a step-down Voltage output circuit which causes no latch-up phenomenon for the
period between activation of a power Supply and complete start of operation of a charge …

The present invention relates to electronic circuits, and more particularly, to charge pump
circuits. The performance of a phase-locked loop (PLL) is generally characterized by the …

The present invention addresses the above-mentioned problems, as well as others, by
providing a DLL that utilizes a Switched capacitor circuit as a charge pump to completely …

A phase locked loop has an integral control path, in which digital representations of phase
error are added over successive time intervals, and a charge pump circuit is configured to …

A delay looked loop (DLL) having a charge pump gain independent of the operating
frequency of the DLL. A charge pump is disclosed for providing a charge to a capacitive …

A magnitude difference between intrinsic positive and negative current components forming
a PLL's charge pump output current is determined by simultaneously outputting the intrinsic …