[time-nuts] Achieving maximum performance when driving 5370A/B inputs

Bruce Griffiths bruce.griffiths at xtra.co.nz
Sun Feb 28 02:55:59 UTC 2010

Mike Feher wrote:
> In general, what about the old National "damn fast" and super damn fast"
> LH0032&  LH0033? I used to use a lot of those in my designs many years ago.
> - Mike
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960
The LH0032 was a fast FET input opamp.
I presume you meant the LH0033 and LH0063?

Their slew rate is adequate to ensure that the 5370A/B trigger jitter is 
However they need a negative supply as well as the positive supply when 
being driven by a 3.3V or 5V CMOS output.


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