barclaycon

Software / Hardware for testing phase response
« on: April 25, 2008, 03:01:43 PM »
I was interested to see the USB curve tracer that was posted here as a topic below.
I'm looking for something simnilar that can plot phase response.
Is there a software package or piece of hardware that can do this at a reasonable price ?
I'm thinking about doing a 'phase rotator' circuit of the type used by some broadcast limiters. It seems to consist of a series of 'all-pass' filters to skew the phase.
Also, if anybody has any similar circuits - such as Aphex 230, I would be very interested.


 

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