Can you buy a working radar module for $12? As it turns out, you can. But can you make it output useful information? According to [Mathieu], the answer is also yes, but only if you ignore the ...

Try looking up Fast Fourier Transforms. That will convert your signal to an array of frequency magnitudes, you can attenuate the lower frequencies, and then reverse-FFT back to the filter signal.

The circuit was designed with the combination of high pass filter and low pass filter to create a notch filter circuit. High Pass Filter – an electronic circuit that allows the passage of high ...

Cellular telephone technology takes advantage of a large number of frequency bands to provide ever-increasing bandwidth for mobile use. Each of those bands needs a filter to keep its signals separate ...

Determine the center frequency, maximum gain and bandwidth for the filter in the figure shown. The quality factor of the filter is equal to With Q=4.16, the bandwidth for the filter is equal to Source ...

DELTA’s innovative family of linear variable filters is extended with a sixth type – the best ever linear variable VIS band pass filter (LVVISBP). DELTA has lifted the application range of variable ...

SDRs have been a game changer for radio hobbyists, but for ham radio applications, they often need a little help. That’s especially true of SDR dongles, which don’t have a lot of selectivity in the HF ...

Hamamatsu have expanded their range of infrared detectors that use a band-pass filter for the window. The new P13243-045CF / -045MF have a band-pass filter centre wavelength of 4.45 μm and have room ...

Measuring 1.5” x 0.5” x 0.4”, the surface-mount AE1706L8769 lumped-element low-pass filter is suitable for applications at L-band frequencies. Features include a cutoff frequency is 1,706 MHz, an ...