Transfer function/ Bode plot

[ilsmas]

Hello,

I need to obtain the transfer function from a senoidal square or triangle input signal. I tryed to use the CD bode but it dind't work at all with the output the signal generator gives. I was wondering if anyone could help me to connect a function generator with a bode plot generator or to obtain a bode plot from the function generator. The other option that comes to my mind is looking for an osciloscope that also can gives us the bode anaysis (in case you know any brand tell me please). Thanks for the help.

[Gregory]

Since no one has replied yet, I'll offer a suggestion. Try to explain what you hope to get out of LabVIEW, and use terms that a lot of people will understand. I barely remember what a bode plot is from beginning ECE classes, but I'm sure there are a lot of LabVIEW experts on here who might be able to help you if there wasn't the hurdle of getting over the technical language.

Do you want the response of something to a square input signal while sweeping the frequency? What are you measuring the response of? That will determine a lot of how you connect to it with LabVIEW. If you want it plotted on a log scale, that should be easy, just right click the graph and find the setting for log scale.

[Bob_Schor]

Following up on Gregory's post, would you say you are familiar with LabVIEW and capable of doing your own LabVIEW Programming?  If so, give it a try, attach the code you have developed (attach the VI itself, please) and tell us where the problem lies.  On the other hand, if you just need to find a Transfer Function and are searching for "How do I Find The Transfer Function of a Signal", then learning LabVIEW is probably not the simplest way to go about doing this.  Go with "what you know" and build on that.

Bob Schor

[lostronconessinaloa]

Actually, the transfer function of a signal doesn't have any meaning. The transfer function concept is for Systems.