The Micor book says less than 0.5 uV for 20db quieting or 0.35 for 12 db SINAD. So the two are in fact equivalent. I get better than 0.35 for 12 db SINAD but I don't measure 0.5 for 20 db quieting. I must be doing something wrong. -- Tim :wq
On Sep 6, 2010, at 12:52 PM, John J. Riddell wrote: > > 2V AC down to .2 v. AC is 20 DB quieting > John VE3AMZ > ----- Original Message ----- > From: Tim Sawyer > To: [email protected] > Sent: Monday, September 06, 2010 3:48 PM > Subject: Re: [Repeater-Builder] Micor UHF Sensivity > > I'm getting about 0.35 for 12 db SINAD. But that looks about 10 db quieting > to me. What I typically do is open the squelch with no signal and set the > volume to 2 Vac then crank up the signal to 0.2 vac. Isn't that 20 db, or am > I missing something? > > -- > Tim > :wq > > On Sep 6, 2010, at 10:46 AM, Eric Lemmon wrote: > >> spec is 0.5 >> uV without a preamp and 0.25 uV with a preamp, when using the 20 dB quieting >> method, and 0.35 and 0.175 respectively when using the 12 dB SINAD method > > >
