This 100 kHz oscillator was found in a 1966 Motorola publication. The transistors are of types suitable for the generated frequency and L1 / C1 depend on that frequency.
This circuit was found in an old American publication. The transformer is the type of output found...
This current source circuit with the CA3130 was found in a 1977 publication. The circuit provides...
The project presented consists of a flasher alternated with relay, which can be installed at the...