This ultra-low noise amplifier and simple power supply was found in Analog Devices documentation from the 90's. The circuit can be implemented with modern equivalent components.
Passaje Alarm This locking circuit was found in a 1988 publication. It locks a relay when the...
What this circuit does is to separate a monophonic audio signal into two frequency bands so that,...
The circuit show and simulated in the MultiSIM BLUE is a high pass filter using a 741 operational...