[hpsdr] Mounting Munin T1 & T2??

a.groff k0vm at mchsi.com
Wed Dec 25 06:36:50 PST 2013


John,
   I discarded the supplied spacers and used a similar width of braid 
from double shielded coax.

I think thin copper strap bent to shape would work too.  I don't think 
there is any need for thermal mass consideration on the straps.

AL, K0VM




On 12/24/2013 4:07 PM, hpsdr-request at lists.openhpsdr.org wrote:
> Date: Tue, 24 Dec 2013 13:25:58 -0600
> From: John<radio at mediacombb.net>
> To:hpsdr at lists.openhpsdr.org
> Subject: [hpsdr] Mounting Munin T1 & T2??
> Message-ID:<20131224192613.B735748022 at diego.dreamhost.com>
> Content-Type: text/plain; charset="us-ascii"; format=flowed
>
>
>
> Transistors T1 and T2 in my Munin kit are made with the two thin
> leads a considerable distance above the top of the mounting
> flange.  When the four corners of the circuit board are spaced so
> that the two thin transistor leads are flat against the pads on top
> of the board, there is considerable distance between the bottom of
> the copper straps and the top of the transistor flange.  As
> transistor hardware is tightened the board starts to bend and the
> transistor leads lift above the pads on the circuit board.
>
> Has anyone else had this problem and, if so, how did you make it work?
>
> Best regards,
>
> John,  WoGN


 1387982210.0


More information about the Hpsdr mailing list