Electronic Design

What Do Clocks, Carriers, Local Oscillators, and FM Have in Common?

Sponsored by: Texas Instruments. A phase-locked loop, of course. A PLL frequency synthesizer plays a key role in delivering the precision and accuracy demanded by many applications. The master timing ...
Electronics Weekly

TI adds phase detector and PLL to precision RF synthesiser

Texas Instruments has introduced a wideband frequency synthesiser with integrated low phase-noise voltage-controlled oscillator. The device combines a low noise phase-locked loop (PLL) and a phase ...
Design-Reuse

PLL CMOS phase-frequency detector with CMOS charge pump

Phase-frequency detector (PFD) forms control signal for VCO tuning. PFD compares phases of divided VCO signal and divided reference oscillator signal and detects phase difference. Charge pump ...
Electronic Design

Detector Identifies PLL State

Suitable for synchronization of optical networking equipment, PLLs, synthesizers, and other telecom applications, the Model SY13 frequency and phase-lock detector compares two external input signals ...
Design-Reuse

PLL lock detector with low current consumption and high accuracy

The lock detector monitors the current status of PLL by comparing the phase difference of VCO divided signal and reference oscillator signal with requ ...