Quote Originally Posted by Acetronics View Post
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The current sources and sinks were designed around a ... LMC660 !!!
Hmm, what a surprise!

The only problem that I had with the LMC66x was with +5V supply and near 5V input. They tend to lock the output like a switch even when they were connected as buffer. With a supply of 6 or more volts from seperate source, everything was just fine.

Ioannis