Electronic Design

PLL Synthesizer Offers High Output Frequency And Lowest Phase Noise

The Texas Instruments LMX2581 phase-locked loop (PLL) frequency synthesizer integrates a voltage-controlled oscillator (VCO) that covers from 50 to 3760 MHz and offers perhaps the best phase-noise ...
Business Wire

Analog Devices’ 4-GHz PLL Synthesizer Offers Leading Phase Noise Performance

AMSTERDAM--(BUSINESS WIRE)--Analog Devices, Inc. (ADI), a global leader in high-performance semiconductors for signal-processing applications and leading provider of RF ICs (radio frequency integrated ...
EDN

Int-N PLL/synthesizer suppresses system noise

The LTC6945 6-GHz integer-N PLL/synthesizer features –226dBc/Hz normalized closed-loop in-band phase noise, –274-dBc/Hz normalized in-band 1/f noise, –157-dBc/Hz wideband phase noise floor, and ...
EDN

Product How-to: Ultra-low noise linear regulators for powering PLL/VCO and clocking ICs

Wideband communication systems usually require an ultra-low noise regulator to power the VCOs and PLLs. The regulator must also be able to reject any ripple presented at its input. In a typical system ...
Electronic Design

National Semiconductor single-chip PLL and VCO boasts low phase noise

National Semiconductor Corporation (www.national.com) has introduced the LMX2531, a monolithic phase-locked loop and voltage-controlled oscillator (PLL + VCO) integrated circuit with a frequency range ...
Hackaday

STM32 Analog Converter Phase Noise

[Avian] has been using STM32 ARM processors to sample RF for a variety of applications. At first, he was receiving relatively wide TV signals. Recently, though, he’s started dealing with very narrow ...