VCF design using OTAs

[BJ]

Tony Allgood wrote:
> 
> Sorry if you've seen this already, but some odd things have been happening
> to my mail messages recently.
> 
> I'm at this very moment designing a new 24dB/oct LP/BP for my set up. Now I
> want to use two LM13700s to do this. So a few questions:

I have made many modules using the LM13600/ and 13700 and
they have better performance then to a 3080 if you
use the lineareizing diodes.

Cheap to....

I have  done a 18db and a 24db LPF using 3 and 4 6db OTA blocks
in series with different types of feedbak and they
sound nice and work nice.

BJ