Re: Topband: Hi Z amplifiers for 160

2020-03-14 Thread Dan Edward Dba East edwards
another superb article, Jim. tnx! 73, w5xz, dan On Friday, March 13, 2020, 01:52:39 PM CDT, Jim Brown wrote: On 3/13/2020 11:13 AM, Mikek wrote: > advice about common mode filtering, This ran in National Contest Journal a year or two ago. http://k9yc.com/RXChokesTransformers.pdf

Re: Topband: Hi Z amplifiers for 160

2020-03-13 Thread Jim Brown
On 3/13/2020 11:13 AM, Mikek wrote: advice about common mode filtering, This ran in National Contest Journal a year or two ago. http://k9yc.com/RXChokesTransformers.pdf 73, Jim K9YC _ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector

Topband: Hi Z amplifiers for 160

2020-03-13 Thread Mikek
I have a plan to put a matching transformer and a Hi Z amp on my antenna with relay switching, so I can do a real A, B, comparison. If you have any advice on implementing that or advice about common mode filtering, I'm listening. Appropriate relay suggestions would be appreciated. I meant to