[sdiy] need book for nonlinear system theory

[jhaible at t-online.de]

> > Von: houshu at union.cl.nec.co.jp 
 search 
> "log-domain" at Google. 
> > Log-domain filters and log-domain curcuits are hot 
> topics in circuit 
> > theory.  

Found this:
http://infoeng.ee.ic.ac.uk/www_section/students/manos/BC.pdf
Looks interesting !

Thanks for the hint - I wasn't aware of that! (Apart from
log filtering in envelope detectors, which must be somehow
related.)

JH.