Depending on the components, given in the table, this circuit can amplify signals of 100 MHz or 400 MHz. The circuit is from a 80's documentation. Equivalent transistor can be used.
This circuit generates damped sounds imitating a drum or other percussion instrument with...
With the illustrated circuit we can run a DC motor in one direction or the other, depending on...
This monostable multivibrator with signals in phase opposition was found in October 1986 Radio...