Re: S-52 tunnel diode


Don Black <donald_black@...>
 

For the ONET8501, yes.

Don Black.

On 10-Aug-13 1:13 AM, jvanderwall1941 wrote:
 

Sure these parts are fast but can they drive a 50 ohm load? JV

--- In TekScopes@..., "Alex" wrote:
>
> You know, these types of risetimes are in the domain of logic chips these days like the SY58601UMG. Even comparators like the ADCMP572. Not quite 25ps, but maybe close enough.
>
> Of course you have to deal with fine pitch QFN packages.
>
> --- In TekScopes@..., "sander.slang" wrote:
> >
> > Has somebody experience with the tunnel diode CR69 inside a S-52 pulse generator head?
> >
> > I know they can be easily damaged and I would like to buy a spare part in case it dies. After some study on this forum I discovered that somebody mentoined that they are very difficult to buy and for some tunnel diodes (maybe other brand) can have a low lifetime. Any experience with this?
> >
> > And now almost 40 years later are there no good replacement parts or even faster tunnel diodes? It would be nice if I can experiment with this and make my own tunnel diodes enclosures on a lathe.
> >
>


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