[Elecraft] P3 Noise signature

[Jim Miller]

I think I missed something. I thought the P3 is IF only  How does it
receive more than 200Khz around it's passband?

jim ab3cv


On Wed, May 1, 2013 at 2:19 PM, Eric Swartz - WA6HHQ, Elecraft <
eric at elecraft.com> wrote:

> IMPORTANT -  If you do this, make sure to protect the P3 IF input with
> back to back diodes. Static electricity on the whip antenna can harm the
> input pre-amp. (Ask me how I know..)
>
> I made an adapter here with a male-female BNC terminator with the back to
> back diodes internally instead of the 50 ohm resistor.
>
> I power the P3 with a 10 cell AA alkaline battery pack to search for RFI.
>
> 73,
>
> Eric
> elecraft.com
>
> On 5/1/2013 10:10 AM, Merv Schweigert wrote:
>
>> Use your P3,  put an antenna on the IF port and it will receive signals
>> on the
>> freq that you see the interference,  power it off a small battery and walk
>> around or use a directional antenna to pinpoint the location of the
>> interference,
>> P3 will tune the band needed.
>> One of the uses for the P3 that is overlooked,
>> Merv K9FD/KH6
>>
>>
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