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Band Gap Measurement Setup

To study the temperature dependence of reverse saturation current in a junction diode and hence to determine the band gap of a semiconductor.

The following experiments to be performed :

  1. Reverse saturation current I0 and material constant η.
  2. Energy Band Gap and temperature co-efficient of the junction voltage.

The trainer consists of :

  1. Controlled Current Source.
  2. Digital Voltmeter : 3 ½ Digit LED Display.
  3. Digital Milliammeter :  3 ½ Digit LED Display.
  4. Digital Temperature Indicator :  3 ½ Digit LED Display.
  5. Temperature Controlled Oven.
  6. Set of samples.