Radiation Sensor Circuit

This is my circuit published in Electronic For You September 2009 issue. This circuit detects the Range of Electronic Smog emanating from the CRT monitor of the Computer.This circuit helps to assess the range of radiation from the monitor through LED indications.Pulsations of PEMR ( Pulsed Electro Magnetic Radiation) can be visualized through the flashing of LEDs.Circuit diagram and description as images.Click on the images to see enlarged view.