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Annie
I believe you need to address this with a high speed amplifier. At least that is how I have created peak detectors in the past.
For some reason your question got routed to comparators. I will try to get you to the HSAMPs team.
Chuck
Hi Annie,
It might be possible to create a circuit that fast but it will be challenging. What is the amplitude of the signal you are trying to detect?
Regards,
Jacob
Hi Anny,
this can be achieved with an OPA860:
The 1ns input pulse amplitude steps from 100mV to 1V.
Kai