A filter is a device that passes or rejects certain frequencies of a signal. Three common type of filters are the low- pass filter the bandpass filter, and the high-pass filter. An ideal low-pass ...
In my May blog post, I described the construction of a low-pass filter that used op-amps, capacitors, and resistors. I ignored thermal drift, long-term accuracy, and other characteristics and tested ...
My previous column introduced switched-capacitor filters (SCFs) and explained how the capacitors can replace resistors and improve filter accuracy. To find out more about how well SCFs behave, I used ...
The switched-capacitor (SC) techniques enable the design of various filters that can be realized in monolithic integrated circuits from using state-of-art MOS technology. By replacing the noisy ...
In the 1970s, a surging demand for high-quality monolithic MOSFET active filters in the fields of voice/data communications and instrumentations stimulated tremendous research-and-development (R&D) ...
This book draws upon contributions from the world's most eminent analogue IC designers to discuss the "true" complementary bipolar process, CMOS VLSI technology, and gallium arsenide processing, with ...
of ±200 Hz can be expected. Complicate the situation with a spur at 11.0 kHz. To reject the 11.0-kHz spur, you need a filter with very sharp rolloff, but to accommodate the wandering 10.0-kHz signal, ...
What causes EMI in switched-mode power supplies, and how the active EMI filter can help. What is switching noise jitter? Adopting visible light communication to tackle EMI. Why AEFs are a better ...
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