160_METER_BANDPASS

Published:2009/7/3 3:43:00 Author:May | From:SeekIC

Four-resonator filter is tunable from 1.8 to 2 MHz and has insertion loss of 5 dB.3－dB bandwidth is 30 kHz,and 6-60 dB shape factor is 4.78.Stopband attenuation is over 120 dB.Key to high performance is ward,Bandpass Filters for Receiver Preselecconstruction,and adjustment.-W. Hayward,Bandpass Filter for Receiver Preselectors,Ham Radio,Feb,1975,p 18－27．



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