Circuit Schematic American & Hong Kong Police Siren

Alarm. - This is electronic circuit schematic of American & Hong Kong Police Siren using transistor like in Figure 1 below. In this circuit schematic the basic component used is transistors. 

In here we will give you global description about electronic circuit schematic of American & Hong Kong Police Siren and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Figure 1. American & Hong Kong Police Siren Circuit (Source: Eleccircuit)

Component Part

• LED
• Resistors
• Capacitors
• Transistors
• Transformer
• Switch
• Battery

Description

Circuit schematic like in Figure 1 above is Circuit Schematic American & Hong Kong Police Siren. Eleccircuit site describe thatsound generator consist of Q1, Q2, C2, C3 and R1-R4. Then a second sound generator will include of Q3, Q4, C5, C6 and R7-R10. The sound signal will Different as level of parts in circuit.

When a S2-switch is on “Hong Kong” position, the sound signal from a first series will out off from collector(C) of Q2 through R5 to controll working of the second sires. Which cause can get the output signal at collector of Q4 through R11 in to Q5 will be transformer-T1 by it is used to match the output of such circuits to a speaker.

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