AW(Magnus): [sdiy] analogue phase modulation

[JH.]

>I haven't looked in the Electronotes (at all) so I doubt it will do any 
>good
>to check for a similar circuit either. This one came from my imagination.
>Just do the math and it should be obvious to you. The +/- 15V output of the
>op-amp needs to be dampend by the 300 k resistor to match the +/- 5V signal
>through a 49.9 k resistor.

Swapping the 300k and 50k resistors was the first thing I tried. +/-15V
supply, too. But no rail to rail - maibe that was the problem.

JH.