This detector with ultra-low deviation was found in an American documentation from the 90s. Operational amplifiers are from that time. The power supply must be symmetrical.
This simple power supply, which is equivalent to 2 AAA or AA batteries, was found in an Elektor...
This circuit can source up to 1,000 V from a 9 V battery. Output current is very low, some...
The presented rectangular oscillator makes use of one of the four NAND ports of a 4093 integrated...