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455_kHz_NARROW_BAND_IF_FILTER

2017-02-22 13:06  
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455_kHz_NARROW_BAND_IF_FILTER
This filter uses five 455-kHz ceramic resonators. The impedance is 330Ω, the bandwidth is 800 Hz, and the ultimate rejection ≥60dB. The ceramic resonators could be replaced by crystals.