[time-nuts] Minicircuits specs

Oz-in-DFW lists at ozindfw.net
Sat Nov 29 13:18:32 EST 2014

On 11/29/2014 12:08 PM, Thomas S. Knutsen wrote:
> 2014-11-29 16:24 GMT+01:00 Dave M <dgminala at mediacombb.net>:
>> Yeah, that's a good way to completely avoid the issue.  Since I'm the only
>> target audience for my efforts, then I don't mind the extra components.
>> I'm beginning to realize, as I get deeper into building my own stuff, that
>> a VNA is quite a desireable piece of equipment.  Unfortunately, I'll have
>> to make use of my spectrum analyzer and RLC meters instead.
> Going a bit off topic, but there are decent VNA's avaible for an fair
> price. There is the N2PK VNA thats avaible as an board + digikey partlist
> and gives a 120dB dynamic range VNA from 10KHz to 50MHz, or there are the
> VNWA avaible ready buildt from the UK with 70-80dB dynamic range to 1.3GHz.
> Those are the ones I know that have true phase reading and can solve for
> the sign of the phase.
> Of course there are older HP or R&S boxes, and probably others as well, and
> by shopping around one can get decent gear at a fair price, but with some
> added complexity of doing the measurments.
> Having an VNA helps doing measurments, but a lot of cool things can be done
> with a spectrum analyzer, adding a simple return loss bridge makes that
> into an quite decent scalar VNA.
> Brr. (its probably cold up here in the north :)
> Thomas LA3PNA.
Or the DG8SAQ 1.3 GHz VNA for about £350 GBP or ~$550 I suspect this is 
what you are calling the "VNWA available ready built from the UK with 
70-80dB dynamic range to 1.3GHz."


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