LM13600 audio osc

[Paul Perry]

Well at last I have some good news....
I have been wondering why I can never get a wide range audio osc
going with the LM13600, well I put a foward biased diode in series
with a 10k resistor going from the wiper of a pot across the rails
to the bias input... now I have 1 Hz to 20KHz exactly what I wanted..
oh, also a 330 ohm resistor at one end of the pot to stop the thing
locking off at the low end.
Now if someone can tell me why at the very low end the triangle goes 
asymmetric.....

a very happy paul perry melbourne australia