The circuit is from the 1994 National Semiconductor Linear Applications Handbook but can be implemented with more modern operational amplifiers. The power supply must be symmetrical.
Based on an Analog Devices LTC1540, this circuit consumes only 50 uA, serving to monitor the...
This circuit should be placed between a turntable and recorder or playback media from the input to...
This very low voltage regulator for 3 V input (2 batteries) was obtained in a documentation from...