This circuit was found in a 2005 Linear Technology component manual. The circuit is full bridge and can operate on bridges up to 75 V. The circuit power is 5 V which allows its use as a shield.
We got this circuit from Radio Electronics from July 1990. The circuit mimics the sound of the red...
We found this basic circuit of a relaxation oscillator with unijunction transistor in a 1976...
We found in an old documentation how to use a 555 as a monostable key. The circuit should not be...