[minima] Re: Anything special about T3's capacitor to ground?

  • From: <jerry@xxxxxxxxxxxxxxxx>
  • To: minima@xxxxxxxxxxxxx
  • Date: Mon, 24 Feb 2014 14:07:53 -0700

Yes, I do. You can check by testing for continunity between the
different legs. Neither diode goes directly to the pad where the cap
connects. Both go through the transformer first. It's hard for me to
tell from your drawing, but it just looks wrong to me.  Jerry

K5LRU
Harwood, Texas

> -------- Original Message --------
> Subject: [minima] Re: Anything special about T3's capacitor to ground?
> From: Thomas Sarlandie <thomas@xxxxxxxxxxxxx>
> Date: Mon, February 24, 2014 11:16 am
> To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
> 
> 
> Jerry: Thank you. I believe that is what I have on the picture I sent
> yesterday (I drew the three wires blue / red / green). Did you think I got
> them mixed up?
> 
> 
> On Mon, Feb 24, 2014 at 4:02 AM, <jerry@xxxxxxxxxxxxxxxx> wrote:
> 
> > Thomas, try and visualize the transformer like this: Say your three
> > wires are green , red, and brown. After you wind the transformer you
> > will have three wires on each side of each color, one side is the top,
> > the other the bottom.  The green top goes to the BFO the green bottom
> > goes to ground.  The red top is connected to the brown bottom brown and
> > then to the .1 cap.  The top brown is connected to the top diode and the
> > red bottom is connected to the bottom diode. Jerry
> >
> > K5LRU
> > Harwood, Texas
> >
> > > -------- Original Message --------
> > > Subject: [minima] Re: Anything special about T3's capacitor to ground?
> > > From: Thomas Sarlandie <thomas@xxxxxxxxxxxxx>
> > > Date: Mon, February 24, 2014 1:59 am
> > > To: "minima@xxxxxxxxxxxxx" <minima@xxxxxxxxxxxxx>
> > >
> > >
> > > Raj: Yes I have all the dots on the same side. I have checked several
> > times
> > > now. Unless I am really reading something backwards I think I have that
> > > covered.
> > >
> > > Farhan: I don't but I will look into that. Would a ne602 work too?
> > >
> > > It's really raging to see my 4KhZ signal get out of the mixer but not be
> > > able to tame it into the audio pre-amp because the output impedance is so
> > > high. What could explain this? I will take any theory ;)
> > >
> > > 73,
> > > thomas
> > >
> > >
> > > On Sun, Feb 23, 2014 at 11:07 PM, <farhanbox@xxxxxxxxx> wrote:
> > >
> > > > Thomas, if you have an ade-1, just drop it into the circuit.
> > > > - f
> > > > Sent from BlackBerry® on Airtel
> > > >
> > > > -----Original Message-----
> > > > From: Raj <vu2zap@xxxxxxxxx>
> > > > Sender: minima-bounce@xxxxxxxxxxxxx
> > > > Date: Mon, 24 Feb 2014 12:29:53
> > > > To: <minima@xxxxxxxxxxxxx>
> > > > Reply-To: minima@xxxxxxxxxxxxx
> > > > Subject: [minima] Re: Anything special about T3's capacitor to
> > > >   ground?
> > > >
> > > > Thomas, please check all three DOTS are from the same end of the
> > > > transformer.
> > > > Most important that same winding start and end is correct.
> > > >
> > > > At 24-02-2014, you wrote:
> > > > >Thanks Mark. That's how I have been doing it. I was not sure because
> > T1 &
> > > > T2 do not have those dots. Is it because phasing is not important on
> > them?
> > > > >
> > > > >I have just rewound a new T3 using a new roll of #32 AWG wire on a new
> > > > FT37-43. I get the exact same problem. So here is a picture of what I
> > am
> > > > doing with some labels as to where the wires go. I hope I am doing
> > > > something very stupid and someone will be able to point it out:
> > > >
> > > >
> > > >
> >
> >

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