Thanks for this grounding tip too Jim.
73's Filipe Lopes CT1ILT - CR6K F4VPX - TM3M 2015-10-13 4:03 GMT+02:00 Jim Brown <[email protected]>: > On Mon,10/12/2015 1:27 PM, JC wrote: > >> It works like a voltage divider where the impedance to ground should be >> lower as possible to give you more attenuation like 1k/500ohms versus 1K/5 >> ohms divider. >> > > Yes. > > But to expand on this -- often the interference is coupled into a gain > stage or RX by a Pin One Problem. ALWAYS make the first connection of any > cable shield to the shielding enclosure of EVERY active device. Follow this > rule regardless of the function of the cable -- input, output, control > line, RF or audio. > > It's also good practice to bring RX antennas into the shack via the same > grounding panel used for TX antennas. And that panel must be tied to local > ground rods, those rods bonded to all other grounds, to the shack desk, etc. > > 73, Jim K9YC > > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband
