relay noise

Paul H. Bock pbock@melpar.esys.com
Wed, 27 Mar 1996 15:35:21 -0500 (EST)


>     The relay in question is what disconnects the tx on receive.  Potting 
>     it won't help much.  You can remove the relay from the board and put 
>     it on flexible leads about 1/4" long.  This breaks the mechanical 
>     coupling to the PC board which causes it to act as a sounding board.  
     
>     On the other hand, most good CW ops use headphones so they don't hear 
>     a puny little relay anyway....

     You should hear the keying relay in my ARC-5!!!!!  I'm 
learning to copy code by "sounder" just listening to it.....  ;-)

   Paul, K4MSG