trame ppm

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trame ppm

Post by lecougar » Sun Jun 05, 2011 8:01 pm

hello everyone, here is my problem
i do not know how to invert a signal.
actually, i have this signal which starts by a rising edge
signal that i have
signal that i have
and instead i want this one which starts by a falling edge
signal that i wanna have
signal that i wanna have
i don't know if it is possible to change the first one in order to get the other
thank you in advance.

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Re: trame ppm

Post by LubinKerhuel » Mon Jun 27, 2011 11:43 pm

Want to do this with analogic electronics ?
What about using a transistor ? (you will not get 0V however byt 0.2 I guess)

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Re: trame ppm

Post by Ender » Mon Aug 22, 2011 8:27 pm

Hummm; interesting...
I propose the classic 'put the screen upside down' :)

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Re: trame ppm

Post by resodad » Tue Aug 23, 2011 12:27 am

lecougar, use a 74LS04 inverter: ... 54LS04.pdf

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