[minima] Re: PCB build progressing.
- From: Mvs Sarma <mvssarma@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Tue, 4 Mar 2014 21:37:23 +0530
ok thanks. got your advise.
On Tue, Mar 4, 2014 at 9:34 PM, Sandeep Lohia <sandeeplohia12@xxxxxxxxx>wrote:
> On 04/03/2014, Sandeep Lohia <sandeeplohia12@xxxxxxxxx> wrote:
> Sarmaji try replacing those RFC with something better in terms 'Q'
>
> Sorry, but ferrite slug inside RFC will warm-up more when in TX ( will
> not burn hands though ) but will raise the inductance...
> I had bad experience with 2.2uh RFC used in scratch build BITX (in
> it's early stage of building)
> had to retune for best DIP from TX to RX... ( that might not be an
> issue here but
>
> & when changed with airwound, there was dramatic change in signal,
> well that was an old story, but might be useful.
>
> I too home brewed VK3BHR LC + varacter .
> I too use bolted stand offs (polymer), but on both sides.
>
> ------------------------------------------------
>
> And if TV Guanella Baluns cores or torroids are unavailable.
> One can recycle IEEE802.3 LAN PT-module from junk. They work well
> from 1 to 30 Mhz and above.
> They also comes prewinded with 2 and 3 insulated wire,
>
> They are everywhere starting from Computer LAN card, PBX, IP phones.
> As to isolate Local area network. from garbage or from E-Dump
>
> --
> Please encourage recycling, reuse or repairing of E-waste.
> ░7░3░ ░d░e░ ░V░U░3░S░X░T░
>
--
Regards
Sarma
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