Re: [time-nuts] Low frequency noise measurement (was BG7TBL FA1 frequency analyzer )

2019-09-05 Thread Bob kb8tq
Hi

There are a few folks around who have done boards. The circuit is simple 
enough that point to point wiring on perf board works pretty well. ( = mixer 
plus opamp after it).

Bob

> On Sep 5, 2019, at 12:19 PM, Peter Vince  wrote:
> 
> On Thu, 5 Sep 2019 at 19:00, Bob kb8tq  wrote:
> 
>> ...If you indeed want to do a quick and simple measurement that goes into
>> 1 Hz ( or possibly less)
>> the answer is to use a mixer based setup. A single mixer setup ( half of a
>> DMTD) will do a much
>> better job than a counter based approach. Cost wise it is not very
>> expensive at all …
>> 
>> Bob
>> 
> 
> I wonder if one of you clever people could design a circuit, and get kits
> produced by TAPR ?
> 
> Peter
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[time-nuts] Low frequency noise measurement (was BG7TBL FA1 frequency analyzer )

2019-09-05 Thread Peter Vince
On Thu, 5 Sep 2019 at 19:00, Bob kb8tq  wrote:

> ...If you indeed want to do a quick and simple measurement that goes into
> 1 Hz ( or possibly less)
> the answer is to use a mixer based setup. A single mixer setup ( half of a
> DMTD) will do a much
> better job than a counter based approach. Cost wise it is not very
> expensive at all …
>
> Bob
>

I wonder if one of you clever people could design a circuit, and get kits
produced by TAPR ?

 Peter
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