This traditional TTL configuration was obtained in a 1977 documentation. The supply must be made with 5 V and the capacitors can be changed for operation at other frequencies.
We found this commercial circuit sold as PT-40 in Japan in the 1960s in a documentation of the...
This simple power or speed control for DC Motors uses a Power MOSFET as driver stage and a 4093 IC as...
This circuit can generate signals in a wide frequency range, from a few hertz to close to 1 MHz....