EDN

Low-frequency, voltage-controlled oscillator has adjustable duty cycle

Low-frequency voltage-controlled oscillators (VCOs) can be found in clocks, timers, audio synthesizers, and a variety of other applications. The VCO shown in Figure 1 is based on a simple astable ...
Science Daily

Innovative wideband ring voltage-controlled oscillator developed

Scientists have developed a new wideband ring voltage-controlled oscillator (VCO), which is a key component of an IR-UWB (Impulse Radio Ultra-wideband) Radar system. A Korean undergraduate student at ...
EDN

Voltage-control oscillator supports multiple frequency bands

Fairview Microwave has unveiled voltage-controlled oscillators (VCOs) that allow the frequency of the output signal to be varied by adjusting the amplitude of the input tuning voltage. Unlike ...
Nature

Voltage-Controlled Oscillator-Based Analog-to-Digital Converters

Voltage-controlled oscillator-based analog-to-digital converters (VCO-based ADCs) represent an emerging class of digitisation circuits that harness the frequency-modulating properties of VCOs to ...
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 ...
Nature

Voltage-Controlled Oscillators and Phase Noise Analysis

Voltage-controlled oscillators (VCOs) are pivotal components in modern communications and signal processing, where their ability to generate a stable yet tunable signal is paramount. The performance ...
Hackaday

voltage controlled oscillator

If you want a stable oscillator, you usually think of using a crystal. The piezoelectric qualities of quartz means that it can be cut in a particular way that it will oscillate at a very precise ...
Design-Reuse

UMC Fabricates World's Highest Frequency Silicon Circuit Using CMOS - 192-GHz Voltage-Controlled Oscillator; Push-push Voltage-Controlled Oscillator (VCO) designed by the ...

HSINCHU, Taiwan--Feb. 21, 2006--UMC (NYSE:UMC)(TSE:2303), a world leading semiconductor foundry, today announced that it has fabricated a push-push Voltage-Controlled Oscillator (VCO) with an ...
Hackaday

digitally controlled oscillator

[Tom Hall], along with many hams around the world, have been hacking the Silicon Labs Si5351 to create VFOs (variable frequency oscillators) to control receivers and transmitters. You can see the ...
Electronics Weekly

Chrystek’s voltage controlled oscillator

Crystek’s CVCO55FL-0271-0310 voltage controlled oscillator (VCO) operates from 271 MHz to 310 MHz with a control voltage range of 0.5V~4.5V. The company reports that its latest VCO features a typical ...
Design-Reuse

UMC Fabricates Record-Setting Voltage-Controlled Oscillator Using CMOS Technology

Chip designed by the University of Florida achieves 105-GHz Operating Frequency HSINCHU, Taiwan, June 20, 2005-- UMC (NYSE: UMC; TSE: 2303), a world leading semiconductor foundry, today announced it ...