Garey Barrell <[EMAIL PROTECTED]> made an utterance to the drakelist gang
----------------------------------------------------------------------
Sorry.... I was thinking 40M for some reason. That oscillator does
NOT run on 80 or 20M.
You should have the 9.000 MHz signal from the filter(s) and the 5.2 MHz
signal from V3A to mix and produce 14.200 at the plate of V4.
If you do this in CW, the Carrier Oscillator is shifted into the
passband of the filter and comes out as a carrier at 9.001 MHz. Easier
to trace and measure than a voice signal!
[EMAIL PROTECTED] wrote:
With the bandswitch on 20m, I get 5200 khz on both V1 and V3 at the
pins you ask me to check. That is in both R & T.
In a message dated 3/31/2008 6:26:11 P.M. Eastern Daylight Time,
[EMAIL PROTECTED] writes:
Garey Barrell <[EMAIL PROTECTED]> made an utterance to the
drakelist gang
----------------------------------------------------------------------
OK. Bandswitch on 20M, you should have a good strong signal
around V1,
Pin 7, at 21.5 MHz.
You should have 16.3 MHz at Pin 6 of V3.
[EMAIL PROTECTED] wrote:
> I am seeing about 1.7 or 1.8 v P-P across R77 when the gain is
all the
> way up in transmit.
>
> In a message dated 3/31/2008 5:49:59 P.M. Eastern Daylight Time,
> [EMAIL PROTECTED] writes:
>
>
> Garey Barrell <[EMAIL PROTECTED]> made an utterance to the
> drakelist gang
>
----------------------------------------------------------------------
> Well, that's a problem!
>
> First thing comes to mind is that the Carrier oscillator isn't
> running,
> and you are tuning to the second harmonic of the PTO.
>
> On 20M you should have 9.000 MHz from the Car Osc. mixed
with the
> PTO at
> say 5.200 MHz to produce a signal at 14.200 MHz.
>
> You need to see if the 9.000 MHz oscillator is running, on
> frequency and
> I would expect about 2V p-p across R77 at T13.
>
>
> [EMAIL PROTECTED] wrote:
> > It changes when I tune the VFO.
> >
> > In a message dated 3/31/2008 5:10:49 P.M. Eastern Daylight
Time,
> > [EMAIL PROTECTED] writes:
> >
> >
> > Garey Barrell <[EMAIL PROTECTED]> made an utterance
to the
> > drakelist gang
> >
>
----------------------------------------------------------------------
> > 10.400 MHz ??
> >
> >
> > [EMAIL PROTECTED] wrote:
> > > OK Garey, I must have been on the wrong pin before. The
> voltages
> > on V7
> > > are all ok and close to where they should be in R & T. I
> have a
> > scope
> > > (Tetronix) and a Freq. counter. I am testing with the
> bandswitch in
> > > the 20m position. On pin 2 of V6 I show a freq of
10.400 mhz
> > when I go
> > > to T and when I talk in the mike I can see the SSB
signal
> there.
> > > Still, nothing on the other side of V6 tho. No RF there.
> > >
> > > Terry
> > >
> > > In a message dated 3/31/2008 4:21:47 P.M. Eastern
Daylight
> Time,
> > > [EMAIL PROTECTED] writes:
> > >
> > >
> > > Garey Barrell <[EMAIL PROTECTED]> made an
utterance
> to the
> > > drakelist gang
> > >
> >
>
----------------------------------------------------------------------
> > > OK. That's Version 1. V7 circuit is the same
> though. Voltage
> > > divider
> > > on Pin 6, screen of V7, voltage should be ~100V R or
> T. Likely
> > > not the
> > > current problem though. Perhaps you were looking at
> Pin 5?
> > >
> > > You say you have signal to the grid of V6. Is
that ON
> Pin 2 or
> > > ?? Are
> > > you looking with a scope or ??
> > >
> > >
> >
> >
>
>
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>
>
------------------------------------------------------------------------
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Create a Home Theater Like the Pros. Watch the video on AOL Home
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No virus found in this incoming message.
Checked by AVG.
Version: 7.5.519 / Virus Database: 269.22.1/1350 - Release Date: 3/30/2008 12:32 PM
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