From: "Terrell W. Fritz"
Date: Tue, 29 Aug 2000 08:21:15 -0600
Subject: Re: [TSSP] Q mesurements
Hi Paul, I read the "RMS" voltage off the scope!? I was probably supposed to read 0.7071 of the "peak" instead of the "RMS" level... I will look at this again as I may have messed up... Cheers, Terry At 11:07 AM 8/29/00 +0100, you wrote: >Terrell W. Fritz wrote: > >> Bare Q = 148.61 / (150.4 - 146.6) = 39.1 >> >> Top 45 inch high: >> >> Q = 98.143 / (99.111 - 96.939) = 36.1 > >Thanks Terry. The Q values seem rather low, I think we >may need to take the driving impedance of your sig gen >into account - do you have an estimate of it? > >Cheers, >-- >Paul Nicholson, >Manchester, UK. >--
Maintainer Paul Nicholson, paul@abelian.demon.co.uk.