News

EDN9y
PLL/VCO combo ICs trim phase noise - EDN
With 1.8-GHz carrier open-loop VCO phase noise of -144.5 dBc/Hz at a 1-MHz offset, the LMX2582 is one of the first PLLs with an integrated VCO to meet the multicarrier wireless GSM communication ...
EDN7y
Low-noise PLL/VCO has wide RF output - EDN
The ADF4371 synthesizer from Analog Devices offers a wide continuous RF output range of 62 MHz to 32 GHz and an ultra-low normalized phase noise floor (FOM) of -234 dBc/Hz. Consisting of a PLL with ...
Electronics Weekly9y
VCO+PLL cuts phase noise in basestations
Analog Devices is aiming at basestations with a phased-locked loop (PLL) synthesiser with integrated voltage-controlled oscillator (VCO). Called ADF4355, typical phase noise is -144dBc/Hz (1MHz offset ...
Hackaday9y
Logic Noise: Playing In Tune With An Exponential VCO
Last session, we use the cheap and cheerful 4046 Phase-locked Loop chip as a simple voltage-controlled oscillator (VCO). It was dead simple, in fact, because the chip has a VCO already built in. Th… ...
Electronic Design19y
National Semiconductor single-chip PLL and VCO boasts low phase noise
National Semiconductor Corporation has introduced the LMX2531, a monolithic phase-locked loop and voltage-controlled oscillator (PLL + VCO) integrated circuit with a frequency range of 765 MHz to ...
Electronic Design16y
VCO Achieves Low-Noise Figure - Electronic Design
The CRO4385A voltage-controlled oscillator (VCO) specifies a very low noise figure of -108 dBc/Hz at 10 kHz offset. The component targets a formidable range of point-to-point ...