This simple Morse Code oscillator was found in a 1980s American documentation. The power supply should be powered with 5V and the integrated can be the 7400.
We found this circuit in a Linear Technology component manual. The circuit also has a DC zeroing...
This astable multivibrator follows the traditional configuration for use as a signal injector, found in...
This circuit was published in a 1977 English magazine, but it can be easily assembled since all...