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

[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 <petervince1952 at gmail.com> wrote:
> 
> On Thu, 5 Sep 2019 at 19:00, Bob kb8tq <kb8tq at n1k.org> 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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