Re: various squeak flutes that about it do not hear +- 4mhz +-4.2 mhz +-4.3�

Ron Brink <pa2rf@...>
 

OK Arjan,
Thanks!
Dank voor de complimenten. Vind jouw artikel over de BITX hardstikke goed. Fraaie website !
73
Ron

Arjan wrote:
Hello Rahul, Farhan, Ron, thanks for the nice  reactions over my
home page.

Rahul I will change the mixer yet to double balanced and will
replace  also the resistance by Q11 for a wire thread. thanks for
the information. 

Faran I presented not is activated my home page well by Google
only.  Altavista and Yahoo works seek well on pe1abe.  I want to go
place the 2 meters plans on my home page. 

Ron Ik kijk regelmatig op jou site is ook erg mooi ook met van alles
bezich.Ik heb een link naar jou site bij bitx staan .

73. Arjan




--- In BITX20@..., Ron Brink wrote:
> Nice article on your website Arjan ! I like the pictures, it gives
a good impression of the building proces.
> If you like you can visit my website on which I wrote an article
about the BITX17 .  Click on " zenders (tx) " --> HF ---> BITX17
> Enjoy reading!
> My HF Homebrew website:

> http://home.versatel.nl/laar60

> Vriendelijke groet en goede DX toegewenst

> 73 de Ron
> PA2RF

>
> Arjan wrote:
>
> Hello Rahul problem has been solved.  I have placed extra
> condensators.  And have shots between bfo xtal filter and round
> amplifier Q3 coplaced.  The reception is become better.  Have
alone
> on 4 mhz yet that tone reflect (mirror) frequency 10mhz -4 mhz =
> 6mhz I go the vfo also foresee of shots.  Photograph my website
> http://home.planet.nl/~bro00544/
>
>
>
>
>
>
>
>
>
>
> --- In BITX20@..., Rahul Srivastava
wrote:
> > Hi,
> > 
> > The beat at 4Mhz is normal due to whole number freq of IF and
VFO
> interacting. Other spurrs have not been encountered here in any of
> the 10 boards made till date.
> > 
> > This indicates probably over driving of mixers possibly due to
> better devices giving a higher gain in your case.
> > 
> > 73
> > 
> > Rahul VU3WJM
> >
> > Arjan wrote:
> >
> > Hello Rahul thank  your answer. I will soon check the vfo and
the
> > bfo signals.  I have tries made various things the antenna
> entrance
> > short circuit to earth or love want to remain tune connected
> remains
> > works the mixer to earth tones bee. also I an external vfo this
> > problem. Further as reception rx excellently of the bitx
> >
> > 73 Arjan
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > --- In BITX20@..., Rahul Srivastava
> wrote:
> > > Hi!
> > > 
> > > Check VFO and BFO injection levels. It should be aroung 1.5V
Pk
> to
> > Pk. Also note that Q1 as per V3 layout is 2SC2570A or similar
high
> > Ft device having a different pin out. Rest all are BC547s.
> > > 
> > > 73
> > > 
> > > Rahul VU3WJM
> > >
> > > Arjan wrote:
> > > help
> > > Hello all sorry my engels  is not so good. only I have a
problem
> > and I
> > > know not how I this on must discharge. I have now my BITX20
> built
> > on
> > > the pcb ver3.the rx is excellent but I have as I tune various
> > squeak
> > > flutes that about it do not hear +- 4mhz +-4.2 mhz +-4.3� Who
> can
> > me
> > > help whit this problem ???? 
> > > Arjan
> > >
> > >
> > >
> > >
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