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Overview
This experiment is to learn the knowledge points of Ohm's law, voltammetric characteristics, static resistance, dynamic resistance, nonlinear components, the working principle of diodes and forward conducting characteristics, reverse breakdown characteristics, voltage regulation characteristics, etc. This experimental device can complete the basic content, upgrade content, advanced content and advanced content of the experiment of voltammetric characteristics of nonlinear components to achieve hierarchical teaching.
Experimental content
1）Basic content
Master the experimental measurement method of static resistance and dynamic resistance, design the experimental circuit, choose a reasonable meter (sensor) connection, and measure the volt-ampere characteristic curve of a light bulb.
(2) enhance the content
Master the working principle of diodes, design a circuit to measure the forward volt-ampere characteristic curve of light-emitting diodes.
Measure the forward threshold voltage of a light-emitting diode and estimate the wavelength of light emission.
3）Advanced content
Measure the volt-ampere characteristic curves of switching diodes, avalanche diodes, Schottky diodes, and voltage regulator diodes. Find out the static resistance and dynamic resistance, analyze the unidirectional conductive characteristics and voltage regulation characteristics of the voltage regulator diode.
4）High-level content
Combine with engineering technology to study the application of diodes, such as: rectifier, voltage regulator, photoelectric gate, etc.
Product features
1）Modular design
Independent module design, building-block combination, fully mobilize students' hands-on ability.
2）Visualized appearance
The bottom of the module is made of visualized transparent material, which is convenient to observe the components.
3）Detachable structure
The module adopts detachable structure, which is convenient to replace the components.
4）Digital experiment
Equipped with radio voltage sensor, radio current sensor, wireless microcurrent sensor and data analysis software, the experimental data is digitally collected and analyzed in real time, making the laws of physics obvious.
Typical experimental data
Volt-ampere characteristic curve of a voltage regulator diode
Parts List
No | Model | Description | Quantity |
| 1 | YEL-3061-01 | Single switch and potentiometer module 1 | 1 |
| 2 | YEL-3070-01 | Diode module to be tested 1 | 1 |
| 3 | YEL-3070-02 | Diode module to be tested 2 | 1 |
| 4 | YEL-3076 | Light bulb and light emitting diode module | 1 |
| 5 | YEL-3077 | Diode and phototransistor module | 1 |
| 6 | YEL-3082 | Plug-in module | 2 |
| 7 | YEL-3043-03 | Lead wire set, 1 set of 10 | 2 |
| 8 | YEL-3083 | AC/DC power supply | 1 |
| 9 | XEL-3203 | sliding varistor | 1 |
Digital Experiment Essential Part YGP-6210/SC
| No | Model | Description | Quantity |
| 1 | YSC-4201 | Voltage sensor | 1 |
| 2 | YSC-4202 | Current sensor | 1 |
| 3 | YSC-4203 | Microcurrent sensor | 1 |
| 4 | XSC-4406 | Intelligent terminal | 1 |
Self Spare Parts
| No | Description | Quantity |
| 1 | Digital multimeter | 1 |