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 ...
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 ...
EDN

National Semiconductor Introduces Industry’s Lowest Phase Noise Single-Chip PLL + VCO

National Semiconductor Corporation today introduced the LMX2531, the industry's lowest phase noise monolithic phase-locked loop and voltage-controlled oscillator integrated circuit. With a frequency ...
Electronic Design

Driving the VCO in High-Voltage, High-Frequency Phase-Locked Loops

A phase-locked loop (PLL) is a feedback system that combines a voltage-controlled oscillator (VCO) and a phase detector in such a way that the oscillator signal tracks an applied frequency or ...