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1、Filter options for JRC NRD-5XX series CRYSTAL FILTERS Produced by NDK, Nihon Dempa Kogyo Co. Ltd Option NDK # -6dB Width CFL-231 YF455FM 240 Hz CFL-230 YF455DBP 300 Hz CFL-232 YF455DQ 500 Hz CFL-233 YF455DE 1.0 kHz CFL-218A YF455EBF 1.8 kHz CFL-251 YF455EB 2.4 kHz CFL-316 0.5 KHz (9 MHz IF) CFL-317
2、1.8 kHz (9 MHz IF) CFL-318 2.7 kHz (9 MHz IF) (Standard on JST-245) These JRC filters are DC coupled. Need 0.01 uF in series to fit with other (ICOM) receivers. Murata 455 kHz filters CFJ455K13 2.6 kHz CFK455J 3.6 kHz CFW455IT 5.1 kHz CFU455G 9.5 kHz MECHANICAL FILTERS Produced by Kokusai Electric C
3、o. Ltd, Tokyo Option Kokusai # -6dB Width CFL-260 MF455-03AZ 600 Hz MF455-10AZ121 2400 Hz (Standard 2,4 kHz filter in NRD-515) Optional filter board for NRD 515 with 2,4 kHz mechanical NDK crystal filters for NRD-5XX Filter and a NDK crystal filter (same size as YF-series) receivers Filter options for ICOM .pl this material copyrighted by its respective manufacturer
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