[hpsdr] Using Mercury to monitor final amplifier transmit signal

[Phil Harman]

> Phil:  For your idea of using a relay, how do I disconnect the path to the
> Penny sampling first?  Where does it come into Mercury?  Does Penny RF
> sampling come in thru the antenna that needs to be part of the proposed
> relay switching or it it at a lower level?
>
>

There is no specific sampling path - the signal from Penny to Mercury is
simply RF leakage, perhaps via the T/R relay.

In which case if you can provide a low level sniff of the RF out from your
linear and feed that to Mercury when on Tx you have your solution.

73 Phil...VK6APH




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> -----Original Message-----
> From: Phil Harman
> Sent: Thursday, February 07, 2013 12:49 AM
> To: Joe Martin K5SO
> Cc: Tom Cathey ; hpsdr at openhpsdr.org
> Subject: Re: [hpsdr] Using Mercury to monitor final amplifier transmit
> signal
>
> Hi Tom,
>
> You could use one of the open collector outputs in Penny to operate an RF
> relay that, when on Transmit, connected the antenna on Mercury to an RF
> sampler at the output of the amplifier.
>
> 73 Phil...VK6APH
>
>
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