[minima] Re: simpler bfo switching

  • From: Mvs Sarma <mvssarma@xxxxxxxxx>
  • To: minima@xxxxxxxxxxxxx
  • Date: Fri, 28 Feb 2014 20:02:38 +0530

Here also a relay is involved !


On Fri, Feb 28, 2014 at 7:39 PM, Sandeep Lohia <sandeeplohia12@xxxxxxxxx>wrote:

> for quick reference
> ---------------------------
>
> here using (see attachment) from past 6 years...
> I cut traces on (first BITX, single BJT in IF chain) with hobby knife,
> made it multibander.
>
> thought, won't be able to pull single XTAL (making it unstable) so
> used 2 X Xtal.
>
> I heard diode also acts as mixers, but never experienced any problem.
>
> I would also like to RX 40 M USB sometimes ( if U guys understands )
> so manual switching, with SPST toggle switch.
>
> ------------------------------
>
> when my young bro returns, I'll ask him to take a photo of old BITX
> PCB ( both component side & copper side) with diode-switching.
> & I'll update here.
>
> now taking the PCB out of cabinet/enclosure.
>
>
> 73's Sandeep
>
>
>
> --
> http://www.lohiaelectronics.com/sandeep/mimima.htm
>



-- 
Regards
Sarma

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