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RG-400 source
Dear Group: I expect to craft a common-mode choke for 50 ohm coax that
works from 1.8 to at least 7 MHz using Type 31 (Fair-Rite) core material. Use of any Fe material in coax at the lower HF frequencies is undesired - no center conductors containing steel. Such coax should be able to tolerate being bent with a small radius to facilitate multiple turns through the core - no foam dielectric. One such coax appears to be the expensive RG-400. Only need a few feet. Question: What might be a source for short lengths of RG-400? I have tried Newark, Mouser, and the like. . . . Question: What other small diameter coax uses no steel and has a solid dielectric? Thanks. 73, Mac N8TT J. C. Mc Laughlin Michigan U.S.A. Home: |
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