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.
The circuit presented in the figure is an amplifier for stereo sources with the Maxim MAX9723...
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...
MCP19124/5 Contains Independent Voltage and Current Control Loops Plus a Full Suite of...