This circuit was found in Siliconix documentation from the 1980s. Equivalent operational amplifiers can be used and the output current is very low.
This transistor turn signal was found in an English magazine that no longer exists in 1975. The...
We found this circuit in a 2005 Linear Technology manual. The resistor is calculated for the...
This circuit, with two operationals, was obtained from an old American publication. Operational...