[hpsdr] Mounting Hermes
Berndt Josef Wulf
wulf at ping.net.au
Thu Aug 16 01:39:38 PDT 2012
G'day Kjell,
Can you tell us the a part number and supplier for the thermal adhesive
you used?
73, Berndt
VK5ABN
On Thu, 2012-08-16 at 09:50 +0200, Kjell Karlsen wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi Frank.
>
> When Hermes PCB was constructed, it was designed to be installed both
> ways. For use with Apollo in the Hammond enclosure (1455Q1601) Apollo is
> mounted on the bottom for cooling of the PA transistors and Hermes is
> installed on top with the components facing up. The interface cables are
> connected to the bottom of Hermes (TX out, RX in, Power in and SPI).
>
> For use with Abhi´s 15 W PA, Hermes is installed on top with the
> components facing down. There are provisions for interface connectors on
> the component side of Hermes for this use. Remember that the SPI connector
> on top is different from the SPI on bottom (imaged)!
>
> For better cooling of the ADC, I am using a small Heat Sink (Fisher PN:
> ICK SMD E 15 SA or equivalent) fastened to the top of the ADC using dual
> sided heat transfer tape or glue. This seems to be sufficient for cooling
> even with 7 receivers running. I hope Phil can confirm this?
>
> 73, Kjell
>
>
>
>
>
>
>
> På Wed, 15 Aug 2012 23:56:47 +0200, skrev FRANCIS CARCIA
> <carcia at sbcglobal.net>:
>
> > ***** High Performance Software Defined Radio Discussion List *****
> >
>
>
1345106378.0
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