FG085 as pulse generator

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helios
Posts: 3
Joined: Wed May 20, 2015 10:17 pm

FG085 as pulse generator

Post by helios »

Hi,

The shortest pulses i was able to do was with a user defined waveform (like 255;0;0;0;0;etc) resulting in 400ns pulses:
pulse.png
pulse.png (4.66 KiB) Viewed 4770 times
Given the surprisingly steep flanks: Does anybody has an idea of how to make shorter pulses? 100ns should be feasible from an RF point of view, but I don't know how. Tried servo mode, etc.
jye1
Posts: 1221
Joined: Wed Feb 20, 2013 4:58 pm

Re: FG085 as pulse generator

Post by jye1 »

400ns is the shortest the device can reach since the highest DDS clock is 2.5MHz.
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