Energy Band Gap Of Semiconductor Using Four Probe Method
Project Information
- Category: HIGHER EDUCATION LAB EQUIPMENT
- Sub Category: PHYSICS LABORATORY
- Model Number:
- Category: HIGHER EDUCATION LAB EQUIPMENT
Description
Scope of Learning:
- Bond Gap of Semiconductor
- Resistivity of Semiconductor
Technical Specification:
Digital Meters:
- Digital Milli Voltmeter 200mV/2000mV
- Digital Milli Ammeter 20mA
Power Supply:
- Constant Current Power Supply 20mA
The experiment consists of the following:
- Four Probe Arrangement
- Oven (up to 200°C)
- Sample: Ge Crystal mounted
- Thermometer (0-200°C)
Technical Details
Four Probe Setup
- Output Brought Out Through 4mm Banana Plugs
- Four Probe Setup:
- Voltmeter Display: 3 1/2 digit, 7 segment LED, auto polarity & decimal indication.
Voltage Range: X1(0-200.0mV DC) & X10(0-2.00V DC), Current Display: 3 1/2
digit, 7 segment LED, Current Range: 0-20mA DC, 4mm socket
- Oven Supply: 45V AC (Switch position LOW), 60V AC (Switch position HIGH),
- Oven Connector: 5 pin, DIN type
- Input Voltage: 220V, 50Hz AC
- Fuse: 1A, 250V
Oven:
- Heating Element: 35ohm, 75watt,
- Oven Supply: 45V/60V AC
- Oven Connector: 5 pin, DIN type, Ambient Temperature: 175°C
- Fuse: 2A
Clients
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