[hpsdr] T/R Switch

JJ drunkkennedy at gmail.com
Wed Jan 14 19:10:34 PST 2015


Thanks for the links to the specs.  I appreciate it.
Are these relays considered to be "slow"?

As for sequencing, is there a rule of thumb for figuring the timing or
is it trial and error?

Jon
WS1K

On Wed, Jan 14, 2015 at 4:03 AM, Dave <g4fre at g4fre.com> wrote:
> I have been using a very similar one on the output of my TR7 PA addon for my
> Atlas system for a couple of years now
>
> Dave
>
> G4FRE
>
> -----Original Message-----
> From: Hpsdr [mailto:hpsdr-bounces at lists.openhpsdr.org] On Behalf Of JJ
> Sent: 12 January 2015 12:22
> To: hpsdr at openhpsdr.org
> Subject: [hpsdr] T/R Switch
>
> ***** High Performance Software Defined Radio Discussion List *****
>
> Good morning all,
>
> I want to add a power amp to my Angelia board and finally get this up
> transmitting a bit more than 500mw.
> I have a few SMA DC-18GHz RF relays,  In particular Amphenol
> 303-10179-3.  I can't find the power handling spec anywhere.
> Does anyone know if these relays will handle 50 or so watts at HF?
>
> Too bad the NT Electronics and Genesis boards are defunct.
>
> Thanks,
> Jon
> WS1K
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