Circuit Schematic AC 220V Siren using NPN and PNP Transistors

Alarm. - This is electronic circuit schematic of AC 220V Siren using NPN and PNP Transistors like in Figure 1 below. In this circuit schematic the basic component used are NPN and PNP Transistors. 

In here we will give you global description about circuit schematic of AC 220V Siren using NPN and PNP Transistors and then we will give you link to continue your reading from original source as external website.

Circuit Schematic

Component Part

  • Transformer
  • Bridge Diode
  • Zener Diode
  • Capacitor
  • Resistors
  • NPN Transistors
  • PNP Transistors
  • Speaker
Description

Circuit schematic like in Figure 1 above is AC 220V Siren using NPN and PNP Transistors. Eleccircuit site describe that this AC 220V siren circuit is a simple sirenthat use 220V AC as power supply. It is small size and use a piezo speaker cause use low power and saving.

How it works


This circuit is shown as Figure 1 above which we use power source by reducing AC-voltage of 220 volts down by the resistors-R1, R2 ; the capacitor-C1 act as coupling AC-voltage. Secondly, the current will rectifier into DC voltage by diode bridge D1-D4. And there is C2 function to filter steady DC current.

And now you can read more you knowledge about Circuit Schematic AC 220V Siren using NPN and PNP Transistors from the original source article using link [here].


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