Nature

Radiation-Hardened Phase-Locked Loop Circuits

Radiation-hardened phase-locked loop (PLL) circuits represent a critical advancement in safeguarding electronic systems against the deleterious effects of ionising radiation. These circuits are ...
EDN

Low Power Phase-Locked Loop with VCO

The 74HC/HCT4046A are phase-locked loop (PLL) with linear voltage-controlled oscillator (VCO) CMOS device having pins suited to 4046 in a 4000B series. These devices comply to JEDEC standard no. 7A.
EDN

Good behavioral model simulation: key to predicting first-order PLL synthesizer performance (Part 1 of 2)

In this article, the phase noise of a closed-loop, phase-locked loop (PLL) synthesizer is simulated using Agilent RF Design Environment (RFDE) and Advanced Design System (ADS) tools. The critical ...
Electronic Design

Measure Phase-Locked Loops With A Spectrum Analyzer

A general-purpose vector signal analyzer offers a low-cost, flexible option for measuring the frequency settling time of PLLs. By Douglas Olney, Keithley Instruments Inc. The frequency-settling time ...
EurekAlert!

Figure 2. Die micrograph of the proposed digital phase locked loop (PLL) (IMAGE)

The total power consumption of the proposed PLL is only 8.89 mW from a 1 V supply, which leads to a figure of merit of reference of -247.4 dB. Credit must be given to the creator. Only noncommercial ...
Electronic Design

How to Design Very Wide Loop BW High-Performance PLL Frequency Synthesizers (Part 1)

This is Part 1 of a three-part series. As modern wireless communications systems (mainly superheterodyne radio transceivers) are now required to deliver higher performance than ever before, they’re ...