[time-nuts] HP5065A Step Recovery Diode, what part#?

paul swed paulswedb at gmail.com
Mon Aug 27 22:35:53 EDT 2018


Dan
I missed the fact that you hacked a smt srd in. It was Eds post that caught
my attention. That hack is worth sharing the details with time-nuts. I
didn't even know you could get SRDs today.
Regards
Paul
WB8TSL

On Mon, Aug 27, 2018 at 8:03 PM, ed breya <eb at telight.com> wrote:

> I forgot to mention:
>
> If you've been diagnosing by swapping parts, be aware that changing the A3
> is the same as changing the SRD - they won't necessarily match anymore, so
> would need adjustment.
>
> Maybe your original SRD was just fine, but the whole set needed
> adjustment. Who knows what may have been tweaked or mis-tweaked by
> individuals working on it previously. If the original SRD is intact, just
> check to see if it's still a diode (should look the same as a regular Si
> diode, with maybe a little higher forward voltage drop). If so, it's
> probably OK and can be returned to service.
>
>
> Ed
>
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