Study of Varactor Diode Characteristics with power supply and 1 meter Manufacturer,Supplier and Exporter in India
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Product Code : SCL-EELE-12262
Indian Lab Suppliers supplies the Study of Varactor Diode Characteristics with power supply and 1 meter (Product ID: 12262) as part of its electronics engineering lab equipment range. It lets students measure how the junction capacitance of a varactor diode changes with reverse bias.
Quick Answer
A built-in 0-10 V DC, 100 mA continuously variable regulated supply sets the reverse bias, read on a 0-10 V DC voltmeter with a 65 mm rectangular dial. Students record the junction (transition) capacitance at each bias, evaluate the internal contact potential, and then use the diode with the on-board inductor as a voltage-controlled variable capacitor. Capacitance falls as the reverse bias rises because the depletion layer widens. A digital capacitance meter, audio frequency generator, digital frequency counter and 20 MHz CRO are needed and are not built in.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiments | Junction capacitance vs reverse bias; internal contact potential; varactor as a variable capacitor |
| Power supply | 0-10 V DC at 100 mA, continuously variable, regulated |
| Meter | DC voltmeter 0-10 V, 65 mm rectangular dial |
| Main components | Varactor diode, inductor and supporting components |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch, fuse and indicator lamp |
| Connections | 4 mm terminals; patch cords with stackable 4 mm spring-loaded plugs, 0.5 m long |
| Documentation | Operating instructions with object, theory, design procedure, report suggestions and book references |
| Also required (not included) | Digital capacitance meter, AF generator, digital frequency counter, 20 MHz CRO |
Where This Is Used
Used for semiconductor-device and tuning-circuit practicals in college physics and electronics labs. Related boards: Diode Characteristics Trainer (Product ID: 12097) and Study of Diode Detector with power supply and 1 meter (Product ID: 12264). Browse the full Electronics Engineering Lab Equipment range or related Electronics Lab Equipment products.
Frequently Asked Questions
How is the varactor biased?
In reverse bias; its capacitance falls as the reverse voltage increases.
Is a capacitance meter included?
No. A digital capacitance meter, AF generator, frequency counter and 20 MHz CRO are listed as required extras.
What mains supply does it need?
230 V ±10%, 50 Hz AC. Plug it into an earthed socket and keep the case closed while powered.
Related Categories
Electronics Engineering Lab Equipment · Electronics Lab Equipment · Physics Lab Equipment
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