Hi Gary, Doing what, tone encode/decode or using Norcom notches?
Bob -----Original Message----- From: [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Tue, 3 Apr 2007 11:35 AM Subject: RE: [Repeater-Builder] Re: Tone filter Motorola, GE, Vega and many others have been doing it rather well for many years. 73 Gary K4FMX > -----Original Message----- > From: Repeater-Builder@yahoogroups.com [mailto:Repeater- > [EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] > Sent: Tuesday, April 03, 2007 1:26 PM > To: Repeater-Builder@yahoogroups.com > Subject: Re: [Repeater-Builder] Re: Tone filter > > Hi Skipp, > > What's your satisfaction level with the Norcom notch? A spec of +/-0.1% > BW means only 3.5 Hz of BW at the -40 dB points at 1750 Hz. And that's > for a tunable product, so you'd have to tune it dead on to get just 40 > dB of notch. The users' generators would also have to be very accurate > to be in the center of the notch. > > 73, > Bob > __________________________________________________________ > AOL now offers free email to everyone. Find out more about what's free > from AOL at AOL.com. > > > > > > Yahoo! Groups Links > > > ________________________________________________________________________ AOL now offers free email to everyone. Find out more about what's free from AOL at AOL.com. =0
