How to generate a width of 500 picosecond pulse?

How to generate a width of 500 picosecond pulse?

 

[Stuart Brorson]

yigang@vip.sina.com wrote:
: How to generate a width of 500 picosecond pulse?

Start with a 50 picosecond pulse and propagate it a few inches down a
dispersive transmission line.

Stuart

 

[JeffM]

yigang @ vip.sina.com wrote:

How to generate a width of 500 picosecond pulse?

http://groups.google.com/group/sci.electronics.basics/browse_frm/thread/7b7c0624331012bb/3958f18673b5f374?q=EVERY-group-*-*-*-*-*-*-*-*-appear+*-proper-answer-*-*-*-given+much-easier-*-*-*-*-what's-going-on+*-frowned-on+*-correcting+*-polite-*-mention-*-*-*-*-*-*-*+Just-because-*-*-*-*-*-*-*-*-does-not-mean-*-*-*-*-*-*+*-Followup-To-*+*-*-*-too-lazy-*-*-*-*-*-appropriate-*+*-*-_perfect_-*-*-*-*+*-*-*-*-two-groups-*-*-aren't-*-different

 

thanks!
but i now even have't a 50 picosecond one.

 

thanks!

but I now consider that how to generate a single pulse include the 50
picosecond one.

any way i now have't a pulse it during time is some of picosecond.