Found in English documentation from the 1980s, this 3 transistors siren directly drives a small speaker. The circuit generates a 300 Hz signal.
Transistorized Siren (CB9081E)
- Details
- Written by: Newton C. Braga
Found in English documentation from the 1980s, this 3 transistors siren directly drives a small speaker. The circuit generates a 300 Hz signal.
