[hpsdr] Fwd: Re: ADC overload in CW

Kjell Karlsen la2ni at online.no
Sat Jan 19 00:01:12 PST 2013



------- Videresendt melding -------
Fra: "Kjell Karlsen" <la2ni at online.no>
Til: radio at mediacombb.net
Cc:
Emne: Re: [hpsdr] ADC overload in CW
Dato: Fri, 18 Jan 2013 23:46:35 +0100

HiJohn.

Try to select "RX1 out on TX" and insert a shorted BNC in the RX1
connector. This solved the problem with my HPSDR rig using Alex with Munin.

73, Kjell




På Fri, 18 Jan 2013 23:25:43 +0100, skrev John <radio at mediacombb.net>:

> ***** High Performance Software Defined Radio Discussion List *****
>
> Hi Rod,
>
> I already had ATTN on TX checked.  Is there a way to increase RX  
> attenuation during transmit even more?
>
> John,  WoGN
>
> On 1/18/2013 3:39 PM, Rod Brink wrote:
>> John -
>>
>> Sounds like the well-known problem of blow-by Tx RF in the Alex T/R
>> relay. Going to the General/Alex tab and clicking the ATT on Tx box
>> should fix it...
>>
>> 73,
>> Rod KQ6F
>>
>> ----- Original Message ----- From: "John" <radio at mediacombb.net>
>> To: <hpsdr at lists.openhpsdr.org>
>> Sent: Friday, January 18, 2013 1:14 PM
>> Subject: [hpsdr] ADC overload in CW
>>
>>
>>> ***** High Performance Software Defined Radio Discussion List *****
>>>
>>>
>>>
>>> I'm using Hermes with Penny Whistle and Alex in PowerSDR v 2.2.7.
>>> Trying CW on 6 meters I get an ADC Overload message.
>>>
>>> Any idea(s) what I have set up incorrectly?
>>>
>>> John,  W0GN
>>>
>
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