[sdiy] Adapting exponential convertor for single supply

[Paul Perry]

There are thousands of single supply guitar effect pedals using LM13700 &
LM13600 op amps, on 9V DC supplies, so it's certainly possible to use them.

The problem is connecting up with the rest of the circuitry - in audio gear 
the
coupling caps solve most problems. But with synth stuff it's usually
direct coupled & there will be tears. TI actually make a chip described as a 
"rail splitter"
for this application - not sure if it really is extra useful or just a way 
to get a few extra $$.
http://www.ti.com/product/TLE2426

paul perry Melbourne Australia