[sdiy] OTA to voltage-control resonance?

[Ian Fritz]

>  a decent source of
>information about OTAs which would help us to understand the statements you
>have made in the preceding paragraph?  The LM13700 datasheet simply isn't
>doing it for me.

Here is one I like, since it covers many possible configurations:
http://amesp02.tamu.edu/~sanchez/ota-Tutorial1.PDF

And some others:
http://amesp02.tamu.edu/~sanchez/2-integrator-OTAs.pdf
http://amesp02.tamu.edu/~sanchez/Non-linear-OTA.pdf
http://et.nmsu.edu/~etti/winter98/electronics/grise/wrg.html

Should get you started.

Ian