[TenTec] Updated "Lineage" Release to Public

[Barry N1EU]

Just wondering where this idea of 9Mhz PBT originated?  Don't think it's 
correct.

73,
Barry N1EU

>From: "Richard B Drake" <rich@w3zj.com>
>To: "Barry N1EU" <n1eu@hotmail.com>
>Subject: RE: [TenTec] Updated "Lineage" Release to Public (long)
>Date: Wed, 31 Jan 2001 13:20:43 -0500
>
>On the Omni VI+, PBT is in the 6.3MHz IF, the 9MHz filters are
>fixed.
>
>73, Rich - W3ZJ
>
> > -----Original Message-----
> > From: owner-tentec@contesting.com
> > [mailto:owner-tentec@contesting.com]On
> > Behalf Of Barry N1EU
> > Sent: Wednesday, January 31, 2001 6:16 AM
> > To: tentec@contesting.com
> > Subject: Re: [TenTec] Updated "Lineage" Release to Public (long)
> >
> >
> >
> > Dumb question - is the PBT in late rigs really at 9Mhz?
> >  It's not at 6.3Mhz?
> >
> > 73,
> > Barry  N1EU
> >
> >
> > >From: Kevin L Anderson <k9iua@juno.com>
> > >Corsair I: 3 IF filters, same AGC system as Omni-C,
> > dual conversion
> > >   (IFs at 9 and 6.3 MHz and then back to 9 MHz for
> > PBT), Corsair II
> > >(8/87): same basic receiver, 3 IF filters, dual conversion,
> > >   stock 9 MHz IF filter upgraded to 8 poles, PBT,
> > >   audio filter, NB?, transformer feedback amplifier
> > stages before and
> > >   after first mixer (diode ring), adds 3 selectable
> > audio filters and
> > >   a notch filter within the AGC loop to Corsair I
> > >
> > >Omni V (11/90): uses synthesizer rather than PTO; IFs
> > at 9 and 6.3 MHz
> > >   (and then back to 9 MHz for PBT, like Corsairs)
> > >Omni VI (1/93): added RIT, sidetone that follows CW
> > offset, internal
> > >   keyer, low pass DSP filter to reduce IF hiss
> > instead of "tone control",
> > >   increased microprocessor clock speed, crystal oven
> > for xtal osc,
> > >   minor changes in firmware controlled items
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