Could you do a plot of the filter section of the D-squelch as well? http://f1.grp.yahoofs.com/v1/MNsmRv0oJkZZ_KsrjFmZi-lYDHv4taQ3FPaOT23GOb29aF5tYBtssauw-8yu2MXxYhI92SCCQUTw9DNFccCvFxAqjA/FluX%20Research/D-Squelch/D-Squelch%2004-18-2007.gif
On 4/18/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > At 4/17/2007 22:57, you wrote: > > >Hello, > > > >This email message is a notification to let you know that > >a file has been uploaded to the Files area of the Repeater-Builder > >group. > > > > File : /dual_level_sq.pdf > > Uploaded by : skyislandpage <[EMAIL PROTECTED]> > > Description : Micor replicant squelch circuit using regular parts > > > >You can access this file at the URL: > >http://groups.yahoo.com/group/Repeater-Builder/files/dual_level_sq.pdf > > I entered the noise filter portion of the schematic (U2A & B) into > CircuitMaker & ran an AC SPICE analysis. Unless I'm doing something wrong, > I see 55 dB of gain @ 7.2 kHz! As expected, the transient response is > appalling, with lots of 7.2 kHz ringing for several milliseconds. > > Plots attached. > > Bob NO6B > > > > > Yahoo! Groups Links > > > > >
