[hpsdr] An interesting RF sig gen 137Mhz to 4.4Ghz

[Don Graham]

G'day Bob et al,

An interesting sig gen indeed.

I did enquire of the manufacturer about using an external 10 MHz reference and 
received the following prompt reply:

> Thanks for your interest in the synthesizer.
> I didnt really design the unit well to accept an external reference. It can
> fairly easily be done by unsoldering the crystal, then soldering in a BNC
> pigtail. But there are no strain relief holes to zip-tie down the cable, and
> this makes it fairly easy to rip off the SMT solder pads. For this reason I
> ship the unit as designed and let customers make their own modifications.
> Otherwise, electrically there should be no problem interfacing your GPS
> reference. Cheers, David 
>
>-------- Original Message -------- Subject: Quote Request or Question from WFT 
>From: degraham at people.net.au Date: Sun, August 29, 2010 4:30 am
>To: dgoins at windfreaktech.com

A frank assessment. But clearly there isn't a formal interface offering.

73...Don VK6HK


> ***** High Performance Software Defined Radio Discussion List *****
> 
> Hi All,
> 
> I came across this the other day and thought others may be interested.
> 
> http://www.windfreaktech.com/index.html
> 
> The board is a bit ex. for whats involved but the AD chip is
> interesting. 3 wire control etc.
> 
> The chip looks as if it could be driven from a 10Mhz GPS.
> 
> 73's
> Bob.c
> Vk4xv
> 
> 
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