This circuit was found in old Maxim documentation. Check the availability of the IC if you are going to build the circuit. The output current is 1A.
This low frequency oscillator with an operational amplifier of type 741 has adjustment of the mark...
This circuit was found in a Popular Electronics from the 90s. Transistors are general purpose...
The AT21CS11 memory device offers an extended voltage range to accommodate lithium-ion battery...