The circuit shown has a maximum output current of 1.5 A. We find this traditional configuration in the Linear Applications Handbook by National Semiconductor. R1 must be wire.
This sophisticated circuit with two LF411 operational amplifiers appeared in the November 1984...
This circuit uses battery power, but it can be powered by an 80 to 200 V power supply, with no...
This interesting circuit, which can be used as an alarm, was found in a 1997 documentation. It...