RF Radiation Detector

RF Radiation Detector

Introduction:

This circuit  is very basic and easy to implement.  it is used to test Radio Frequency (RF) radiations emitted by many electronic devices like Mobile phone etc . It can detect or indicate the output power of the FM transmitters, when we connect the voltmeter in place of LED in this circuit .

Circuit Diagram:

a

Components:

  • 100nF & 100pF
  • Two N4148 Diode
  • Good quality LED
  • Hard wire of 2 inch(5cm)
  • Connecting wires

Working:

This circuit do not need any battery it only converts RF frequency waves from mobile phone (whenever you send a message or  make calls) to small amount of current to glow a LED.  It indicates whenever  there is incoming or Outgoing calls, SMS, Video, Snapping etc. There are RF radiations in the atmosphere because of the operation of many electronic equipments, Radio and communication devices. The RF radiation level may vary if the communication system generates very high and strong frequency RF signals during its working .

 

Applications:

To Check the Mobile Phones in :

  • Examination Halls
  • Confidential Rooms
  • Cell Phone Banned Areas

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