Hackaday

Trace Tracing To The Tunes

Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...
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 ...
EDN

Correlating and simulating substrate parasitics in RFICs

Often, there is a need to simulate RFIC designs with substrate parasitics to accurately represent high frequency effects in actual silicon. Generally, parasitics appear from a chip's surface layers, ...
EDN

Circuit board layout drama: swept frequency VCO

The project was a signal generator that featured a swept RF output that could go from 1 MHz to 40 MHz. We had no way to make a single sweepable signal source that could cover a 40-to-1 range of ...
The Engineer

Revolution and Evolution in Frequency Synthesis: How PLL/VCO Technology Has Increased Performance, Decreased Size, and Simplified Design Cycle

Microwave frequency generation has posed significant challenges to engineers over the years, requiring in-depth knowledge of analog, digital, and radio frequency (RF) and microwave ...
Electronic Design

Symmetry Feedback Maximizes Function Generator’s Linear Sweep Range

Fig 1. This basic VCO/waveform generator IC circuit includes a voltage follower loop (formed with IC1) and symmetry feedback loop (IC3) to eliminate an asymmetric duty cycle, which would cause ...
Design-Reuse

Analysis and Summary on Clock Generator Circuits and PLL Design

The demand for analog and mixed-signal-based integrated circuits (ICs) has surged due to the increasing reliance on electronic-based applications across industries. As the world transitions to more ...