If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...
In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
Doppler Radar Motion Sensor With CMOS Digital DC-Tuning VGA and Inverter-Based Sigma-Delta Modulator
Abstract: In most of the traditional miniature Doppler radar systems, ac coupling is adopted between the radio frequency front-end and baseband amplifier to block the dc offset due to clutter ...
Abstract: The article proposes wide tuning voltage-controlled oscillator (VCO) with adopting 4-bit switched capacitor array (SCA). The SCA with a cross-coupled switching pair, varactors and LC circuit ...
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