This Linear Technology circuit can measure currents from 100 pA to 100 uA. The circuit is from the 80's, using a component of the era. Transistors are general purpose types.
This precision bench test circuit can deliver currents in a range of 10 uA to 10 mA. The circuit is...
We found this simple roulette with the 4017 in a 1995 documentation. The circuit is of a very...
This configuration with 4 operational generates a signal of approximately 1.5 kHz, having been...