[sdiy] Measuring filter response

[Magnus Danielson]

On 16/08/11 07:11, David G Dixon wrote:
> I suppose another problem is that one should actually use an exponential
> voltage ramp, in order to see the log response.

Which makes a musical VCO with sine quite useful for the task. Rather 
clean sine is preferred. Stable amplitude vs. frequency can become an 
issue which is not normally considered.

Cheers,
Magnus