"ian field" wrote in message
...
I have done that with a MC1490, but getting the control loop to behave was
challenging.

Care to share the schematic?


Nobody seemed to check out my other post with two links.
OK, one was in Chinese but showed some resistive loads. The other had an
audio compressor.

here they are again
================
This help at all?
http://www.datasheetarchive.com/pdf-...-1/204-166.pdf

http://www.datasheetarchive.com/pdf/...SA00256652.pdf