This Power On Indicator circuit is highly useful to detect the presence of AC in Mains powered instruments such as Lab equipments and battery chargers which are to be switched on continuously. This ...

The circuit has been designed for loudspeakers to provide a monitoring scheme of audio power being supplied which will determine that any setup will not be required without the presence of a power ...

The following circuit uses a low-power CMOS comparator and an LED to indicate low-battery voltage without causing excessive current drain. To view the application note, click on the URL below.

The new Fisher Pierce® TPM Series Test Point Mounted Fault Indicator from Thomas & Betts helps workers locate faulted circuits in underground distribution systems quickly. The new Fisher Pierce® TPM ...