[time-nuts] reference oscillator input circuit

[jimlux]

Javier Herrero wrote:
> Good to know. Now I see what not to use :) I was supposing that the 
> hysteresis would not be so high being low voltage signalling, and since 
> they are used for low-jitter applications. But really I've only used 
> them for their intended main applications :)


hysteresis is in the 100mV minimum range, and max peak amplitude is in 
the 0.9 to 1 Volt range (they'll have a bias point a bit over a volt, 
and a lot of them do not do well at all if you swing close to the supply 
rail)

Maybe with external clamps and over drive it.

>