[time-nuts] VC-OCXO EFC stability.

ct1dmk ct1dmk at gmail.com
Wed Jan 7 01:35:59 UTC 2015


Hi Bob, That is the issue, it doesn't.
(the 2,3 different types I would like to use none of them have it, so I will
be making a small pcb with the trimpot and the regulator and some 
capacitors etc).

Luis Cupido.
ct1dmk

On 1/7/2015 1:09 AM, Bob Stewart wrote:
> Does your oscillator have a VRef output?  If so, use that instead of a regulator.  It's cleaner and usually temperature compensated.
>
> Bob
>
>        From: ct1dmk<ct1dmk at gmail.com>
>   To: Discussion of precise time and frequency measurement<time-nuts at febo.com>
>   Sent: Tuesday, January 6, 2015 6:40 PM
>   Subject: [time-nuts] VC-OCXO EFC stability.
>
> Hi,
>
> With a multiturn pot and a 78L05 I can get a 0 to 5V EFC to tune
> an OCXO on desired freq. But... maybe other voltage regulators
> or other scheme have better temp stability than the old 78L05.
>
> Before I crawl lost in new'ish fancy regulator land does anybody
> know the killer solution/IC for this job ?
>
> Luis Cupido
> ct1dmk.
>
>
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