MOTM

> Is there an easy way to shift an AC signal by 90 degrees?  In principal,
it
> seems like such an easy thing.  However, I understand how principal and
> reality often differ.  In principal, it should be easy to live with a
woman
> that you love.  In practice, they make it very difficult at times (like
> mine, right now).

Try these links (for AC signals, not women):

http://www.synthfool.com/diy/hjfs6_df.gif
http://www.synthfool.com/diy/hjfs_phd.gif
http://www.synthfool.com/diy/hj_fs.html

JH.