This simple circuit was found in the August 1984 issue of Radio Electronics magazine. The circuit monitors the power supply to a computer and has a backup battery.
The components of this circuit from the 70's are no longer common on the market, but it is...
This circuit produces rectangular and triangular signals using two 741 operational. The source must...
The basis of this 90s circuit is a CA3130 operational amplifier. The circuit does not need a...