This very low power circuit is based on the ICL7860. We found it in an Electronics Now from April 1995. The output current is very low.
In the figure we have a typical constant current source circuit. Transistor can be equivalent as...
The circuit shown here uses a 4047 to produce three signals whose frequencies are determined by C...
The CA3020 integrated circuit was one of the first commercial types, sold in the 1960s. The...