[sdiy] oldies but goldies

[Ian Fritz]

Yves --

Many thanks for putting those up.  They are all good references.

You might want to correct the author's name on the OTA VCF link.  It is, of 
course, the great Sergio Franco.

   Ian


>Check my new page at 
>http://www-timc.imag.fr/Yves.Usson/personnel/SDIY/archives/
>
>You will find there PDF files of old papers published between 1974 and 1982 in
>journals such as Electronics, Electronic Design, Wireless World and Elektor.