In a message dated 5/13/05 12:51:01 PM Eastern Daylight Time, [EMAIL PROTECTED] writes:
> Many QRP operators assume that a tuner used for QRP can > be small because one doesn't need the power-handling capability of a larger > tuner. However, if a tuner has x db loss, then that loss will reduce the > strength of a received signal by x db whether the signal is transmitted at 5 > or > 500 watts! > > That's true but it doesn't mean good tuners must be big. The lossiest element in most tuners is the inductor. If an inductor has high Q, then by definition it has low loss. Power-handling capability is a related but different thing.It involves the ability to withstand high voltage if necessary, and to dissipate a certain amount of power. A high Q coil doesn't necessarily have a high power handling capacity, and vice versa. 73 de Jim, N2EY _______________________________________________ Elecraft mailing list Post to: [email protected] 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
