Build a Siren Alarm Simulates Star Trek Red Alert Circuit Diagram

Build a Siren Alarm Simulates Star Trek Red Alert Circuit Diagram. The signal starts at a low frequency, rises for about 1.15 seconds to a high frequency, ceases for about 0.35 seconds, then starts rising again from a low frequency, and so on ad infinitum it sounds like the star trek red alert.

 Siren Alarm Simulates Star Trek Red Alert Circuit Diagram