[Elecraft] How to demo P3/K3?

[David Gilbert]

True, but I figured more people would be able to build a simple mixer 
than happen to own a DC receiver, especially if time was a consideration 
prior to the hamfest (per the original query).   And I didn't think the 
carrier or opposite sidebands from the up conversion would be an issue 
for a simple demo.

73,
Dave   AB7E





On 8/9/2010 12:19 PM, Don Wilhelm wrote:
> Dave,
>
> You don't have to build that mixer to shift the ham band down to the 
> audio range, a Softrock receiver will do that.
> For that matter, you don't need the I and Q channels, so any DC 
> receiver without audio filtering after the mixer will do that job too.
> Turning it back into RF is the bigger problem.  You need an SSB 
> generator followed by a wide band filter for that unless you want to 
> tolerate the carrier and the opposite sideband as well.
>
> 73,
> Don W3FPR
>
> David Gilbert wrote:
>> Of course, it would always be possible to build a simple mixer that 
>> shifted a ham band down to lower than 200 Khz and record that with a 
>> decent computer sound card, and then mix it back up to feed it into 
>> the K3.
>>
>