[SOLVED] Vector netowrk analyzer for bode plot

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stanislavb

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Hi,
I am looking for cheap vector network analyzer to build bode plot of feedback in buck DC to DC. it can be something with connection to PC through USB for example
Could you recommend me something
Thank you
 

IF you have a DSO, can make a pulse gen then analyze the FFT of the derivative with MatchCAD, then this is for you.
http://www.effectivebits.net/2011/12/how-to-make-oscilloscope-into-network.html

Cheap high quality is $5k

Dirt Cheap is $500 I guess

Really cheap is my suggestion $50

If you dont have a DSO
Apparently Hanno says this is possible with his USB Scope. Just ask him. $199
**broken link removed**
 

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