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China Wholesale Voltmeter Suppliers – LEEM-10A Experimental Apparatus of PN Junction Characteristics – Labor

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As a way to provide you advantage and enlarge our organization, we even have inspectors in QC Crew and guarantee you our greatest assistance and product or service for Nmr, Temperature Property, Fluorescence Spectrophotometer, Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services.
China Wholesale Voltmeter Suppliers – LEEM-10A Experimental Apparatus of PN Junction Characteristics – Labor Detail:

Experiments

1. The relation between the PN junction diffusion current and the junction voltage is measured, and this relation shall be proved to follow the exponential distribution law through data processing;

2. The Boltzmann constant is measured more accurately(The error shall be less than 2%);

3. Learn to use operational amplifier to form a current-voltage converter to measure the weak current from 10-6A to 10-8A;

4. The relation between PN junction voltage  and temperature is measured and the sensitivity of junction voltage with temperature is calculated;

5. Approximate to calculate the energy gap of the semiconductor (silicon) material at 0K.

Technical Indexes

1. DC power supply

An adjustable 0-1.5V DC power supply;

An adjustable 1mA-3mA DC power supply.

2. LCD measurement module

LCD resolution ratio: 128×64 pixels

Two digital indicators of voltage Range: 0-4095mV, Resolution ratio: 1mV

Range: 0-40.95V, Resolution ratio: 0.01V

3. Experimental device

It is composed of operational amplifier LF356, connector socket, multi-turn potentiometer, etc. TIP31 and type 9013 triode are externally connected.

4. Heater

Dry well copper adjustable heater;

Temperature control range of thermostat: Room temperature to 80.0℃;

Resolution ratio of temperature control 0.1℃.

5. Temperature measuring equipment

DS18B20 digital temperature sensor


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China Wholesale Voltmeter Suppliers –  LEEM-10A Experimental Apparatus of PN Junction Characteristics – Labor detail pictures


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"Sincerity, Innovation, Rigorousness, and Efficiency" would be the persistent conception of our enterprise with the long-term to build with each other with consumers for mutual reciprocity and mutual advantage for China Wholesale Voltmeter Suppliers – LEEM-10A Experimental Apparatus of PN Junction Characteristics – Labor , The product will supply to all over the world, such as: Vietnam, Romania, Johannesburg, During the development, our company has built a well-known brand. It is well highly acclaimed by our customers. OEM and ODM are accepted. We are looking forward to customers from all over the world to join us to a wild cooperation.
  • This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Betsy from South Africa - 2018.12.28 15:18
    In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
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