[time-nuts] Fast Rise/Fall Time Pulser
Andrew E Mileski
andrew.mileski at gmail.com
Wed Oct 11 04:39:32 EDT 2017
>From its creator's forum posts, it appears to be a high slew rate
comparator, that once "triggered" will pass the next pulse of an
asynchronous 10 MHz square wave clock (2.5 ppm).
The first version used a micro for setting the threshold voltage. The
micro was removed in the following generation.
It is for generating fast edges for equipment (bandwidth) testing, not for
Feel free to correct me if I'm wrong. I was disappointed with the limited
information I could dig-up.
Andrew E. Mileski
On Oct 10, 2017 4:02 PM, "Brooke Clarke" <brooke at pacific.net> wrote:
> Hi Larry:
> How does it work.
> When I was working with microwave semis it was either a tunnel diode or a
> Step Recovery Diode.
> Have Fun,
> Brooke Clarke
> -------- Original Message --------
>> There has been discussion recently about generating fast rise/fall time
>> pulses by various means. Here is a link to a Leo Bodnar device that will
>> provide <40 ps rise/fall time, 50% duty cycle, 10 MHz pulses:
>> This is built on a small PWB with integral BNC connector, powered by 5
>> vdc through a USB B connector; a trigger output is provided. Price is US$68.
>> I've ordered one of these for testing.
>> Is anyone here using one of these?
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