This high input impedance circuit was found in American documentation from the 1980s. The power supply must be symmetrical. The circuit applies to modern operational.
This circuit can be used as a clok in digital applications. Power supply is 5-V and the pins for...
The MC15555 of this circuit is the old version of the common 555. What this circuit does is...
This circuit was indicated in an old American publication to serve as a Laser alarm system as a...