Electronic Design

Low-Power Single-Chip Codec Integrates PLL And Audio Amps

The AK4534 single-chip codec combines low power consumption, a 16-bit monaural analog-to-digital converter (ADC), a stereo digital-to-analog converter (DAC), a phase-locked loop (PLL), and headphone ...
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

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 ...