Hi I have both the 20 db and 30 db versions of the CP1. Even though the 20 db is not rated that high I have used it at 100 watts with no problems for short times. I use them with the OHR WM-2 wattmeter. To get it to go to 200 watts you would at least need to increase the wattage of the terminating resistors on the CP1 and probably need to increase the core size on the toroids. Of course I have not done this so I am just guessing.
Don Brown KD5NDB ----- Original Message ----- From: "Linden, Mike (BRC-Hes)" <[EMAIL PROTECTED]> To: <elecraft@mailman.qth.net> Sent: Tuesday, March 07, 2006 8:33 AM Subject: [Elecraft] CP1 Power Handling Does anyone know what modifications would need to be made to the CP1 Directional Coupler in order to get it to handle 200W at 20dB attenuation? I'd like to use the CP1 as a cost effective means of extending the useful range of my OHR WM-2 QRP Wattmeter, but 30dB is more attenuation than I want and the power handling at 20dB is not high enough. Thanks, Michael N9BDF _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
