Found in a 1980s American documentation, this circuit appears with variations elsewhere in this section. The circuit activates a relay according to the supply voltage.
This circuit was found in documentation from the 80s. The circuit did not include resistors from...
This circuit used in instrumentation is suggested by National Semiconductor, now Texas Instruments and...
The source shown in the figure provides output voltages in the range of 1.2 to 25 V with currents up...