[time-nuts] Using a lock-in amplifier

J. Forster jfor at quikus.com
Tue Aug 30 02:18:35 UTC 2011


They are good instruments.

You can certainly use them to compare the phase of two sources.

Because it's a quadrature lock-in, you can also use it to sit on a peak
with a small dither (Pound Locking).

Best,

-John

============






> This might be off topic, and if so, pls disregard. (I am new to your
> group..just listening lately, a little rusty on some of your talents.)
>
>
>
> I have an older EG&G Model 5202 Quadrature lock-in amplifier around for
> years waiting for a project. (.2 - 50Mhz)
>
>
>
> It seems its' phase sensitivity could be used to discipline an oscillator
> to
> a high degree of accuracy using its' DC-output.
>
>
>
> Maybe it's not what it was designed for .I'm trying to find a use for it.
>
>
>
> Thanks,-Don
>
>
>
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