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Subject: Re: easy fast rise time pulse generator?
X-Newsreader: Microsoft Outlook Express 5.00.2615.200
Date: Sat, 12 Oct 2002 20:11:25 GMT
NNTP-Posting-Date: Sat, 12 Oct 2002 22:11:25 CEST
Organization: Telia Internet
You could use an avalanche pulse generator and get 300 ~ 350 ps rise/fall
time with a pulse repetition of a few hundreds of kHz. You'll need only a
2N2222, 3 resistors and a cap. This can be set in and running in 10 min.
Best regards RA
Larry Gagnon wrote in message
> I require a fast rise time pulse generator to calibrate the vertical
> amplifier pulse response of my HP1722B oscilloscope. Obviously the
> pulse marks do not need to be of high frequency train because the
> scope is calibrated for this at a time/div of only 10 microseconds.
> Could anyone suggest a simple circuit that would give me a fast rise
> pulse? Any help greatly appreciated.
> Larry Gagnon
> to send direct email remove "fake" from address
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