Suggested by Linear Technology in an old documentation, this circuit produces 60 Hz rectangular pulses from the power grid. The circuit is free of noise.
This circuit can be implemented with other operational amplifiers. The formulas for calculating the...
This circuit is from a 1953 publication, consisting of an AM radio with 3 germanium transistors that,...
The sensor of this circuit is a common silicon diode and it directly drives a small cooler with a...