[minima] Re: Mixers and Crystal Filters
- From: Ashhar Farhan <farhanbox@xxxxxxxxx>
- To: minima@xxxxxxxxxxxxx
- Date: Sun, 19 Jan 2014 21:09:03 +0530
At this point, you can feed the output from the crystal filter to your
bench receiver at 20 MHz and tun around.
- f
On Sun, Jan 19, 2014 at 1:53 PM, Ashhar Farhan <farhanbox@xxxxxxxxx> wrote:
> mark,
> the local oscillator has to be at 27 mhz. on the higher side. this will
> reduce the local oscillator leakage to the RF port (you can see that the
> oscillator suppression isn't any great shakes. It is about -40dbm. That
> will be only 20 db below the tx signal level unless the LPF kicks in.
> - f
>
>
>
> On Sun, Jan 19, 2014 at 1:02 PM, Mark G0MGX <mark.g0mgx@xxxxxxxxx> wrote:
>
>> Hi Team
>>
>> Some more musings of mine on the mixer output, crystal matching and
>> selection plus a sweep of my crystal filter...
>>
>> http://g0mgx.blogspot.co.uk/2014/01/yet-more-minima.html
>>
>> Mark
>> G0MGX
>>
>>
>
Other related posts:
