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BSC Electronics lab

Manufacturer of a wide range of products which include van der pauw experiment, op amp as series regulator, dc regulated power supplies, photo diode characteristics apparatus, pn junction diode ch appts and zener diode characteristics appts.

Van der Pauw Experiment

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Van der Pauw Experiment
  • Van der Pauw Experiment
  • Van der Pauw Experiment
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Approx. Rs 93,000 / SetGet Latest Price

Product Details:
Minimum Order Quantity1 Set
BrandBTC INSTRUMENTS
Model Name/NumberBTC-101

Introduction:-

Semiconductor material research and device testing often involve determining the resistivity and Hall mobility of a sample. The resistivity of the semiconductor material is often determined using a four-point probe technique. With a fourprobe, or Kelvin, technique, two of the probes are used to source current and the other two probes are used to measure voltage. Using four probes eliminates measurement errors due to the probe resistance, the spreading resistance under each probe, and the contact resistance between each metal probe and the semiconductor material. Because a high impedance voltmeter draws little current, the voltage drops across the probe resistance, spreading resistance, and contact resistance are very small. One common Kelvin technique for determining the resistivity of a semiconductor material is the van der Pauw (VDP) method. The van der Pauw method involves applying a current and measuring voltage using four small contacts on the circumference of a flat, arbitrarily shaped sample of uniform thickness. This method is particularly useful for measuring very small samples because geometric spacing of the contacts is unimportant. Effects due to a sample’s size, which is the approximate probe spacing, are irrelevant.

Description of Experimental Set-up

1. Probes Arrangement

Ge single crystal with four pure silver, spring type pressure contacts is mounted on a sunmica coated bakelite strip. Suitable connector is provided for connection connections with the current source and hall voltage measuring devices.

2. Van der Pauw Set-up

The set-up, consists of two sub units to handle robe current and hall voltage While the probe current is generated and measured by constant current source (0-20mA) having a resolution of 10 mA, the hall voltage is measured by a high input resistance millivoltmeter in the range 0-200mV having a resolution of 100mV. The probe current and hall voltage are both displayed on separate 3.5 digit LED panel meters. Various combinations of Voltage and Current probe locations used in Van der Pauw measurements can be conveniently selected using bandswitch provided on the panel both for Resistivity and Hall Effect measurements.

3. Electromagnet

4. Constant Current Power Supply

5 .Digital Gaussmeter

The setup is complete in itself

 


Additional Information:

  • Delivery Time: 3 WEEKS
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OP Amp As Series Regulator

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OP Amp As Series Regulator
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Approx. Rs 2,500 / Piece(s)Get Latest Price

Design a series regulator with an error amplifier to provide an output an output voltage of 5 volt at a load current of 1.5 Amp Use a 741 op-amp and specify the zener voltage necessary gain and the maximum power dissipation of the transistor

* To study of Series Regulators with an Error

* Amplifier to provide an Output Voltage of 5 Volt.

* At A Load Current Of 1.5 Amp. Use A 741 Op-Amp And

* Specify The Zener Voltage Necessary Transistor

* Gain And The Maximum Power Dissipation Of The Transistor.

* Circuit Diagram Printed onboard.

* Inbuilt Power Supply

* Enclosed in an attractive ABS plastic cabinet.

* Set of Patch Chords & Experimental Manual

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DC Regulated Power Supplies

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DC Regulated Power Supplies
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Approx. Rs 3,250 / EACHGet Latest Price

Dual Output DC Regulated Power Supply are constant Voltage & Current limit type supplies, have high regulation for Load & line Voltage variation. The supply can be use in independent & current tracking made. The supply are protected against short circuit & over load. The output current can be limited to any value from 0 to maximum.

INPUT VOLTAGE : 230V + 10% AC 50 Hz

LOAD REGULATION (CV) : ± 0.05 % ± 3mV From no load to full loadLOAD REGULATION (CC) : + 0.05% + 1mA From no load to full load
LINE REGULATION (CV) : ± 0.01 % ± 3mV for +10% variation input voltageLINE REGULATION (CC) : + 0.01% + 1mA for +10% variation input voltage
OPERATING MODE: Independent & Tracking mode.

RIPPLE : Less than 1mV

METER: Four Digital meters to monitor the output voltage & current of A &
B supply

PROTECTION: Against Short circuit & overload.
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Photo Diode Characteristics Apparatus

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Photo Diode Characteristics Apparatus
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Approx. Rs 4,500 / PieceGet Latest Price

The instrument is designed to draw the current versus intensity of lightat different value of voltage. It has built in power supply with two meters
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Pn Junction Diode Ch Appts

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Pn Junction Diode Ch Appts
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Approx. Rs 950 / Piece(s)Get Latest Price

Specification:

  • H.T. 1 0-30 volts at 50 μAH.T. 2 0-3 volts at 10 mA Provided with with 4 digital meters
  • Do.. with 4 meters(c) ..do.. two round meters of dual ranges.
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Zener Diode Characteristics Appts

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Zener Diode Characteristics Appts
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Approx. Rs 950 / PieceGet Latest Price

We are one of the most acclaimed traders and suppliers of a wide range of high quality Zener Diode Characteristics Appts. These products are known in the industry for fine engineering work done on it.

Features:
  • Low maintenance cost
  • High performance
  • Accurate results
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Helium Neon Lasers

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Helium Neon Lasers
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Approx. Rs 13,500 / eachGet Latest Price

We are steadily making our way to the platform of success by manufacturing Helium Neon Laser.

Features:

  • Impeccable finish
  • Sturdiness
  • Perfect strength
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Fiber Optics Trainer Kit

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Fiber Optics Trainer Kit
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Approx. Rs 12,500 / eachGet Latest Price

We are counted as a reliable manufacturer and supplier of Fiber Optics Trainer Kit. Designed as per the industry laid norms, the offered fiber optics trainer kit is known for its high performance, compact design and easy operation. Total quality management ensures that the quality of the offered fiber optics trainer kit is never compromised.

Features:

  • Optimum performance
  • Low maintenance
  • Robust construction

Specifications:

  • Function generator Sine/ Square output Amplitude (0-10V Peak to Peak)
  • Frequency Ranges : X 10- 10Hz to 200 Hz X 100-100Hz to 2KHz X 1KHGz- 1KHz to 20KHz
  • Fiber optic analogue Transmitter Receiver
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Transistor Characteristic Curve Apparatus

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Transistor Characteristic Curve Apparatus
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Approx. Rs 1,650 / PieceGet Latest Price

Product Details:
BrandBTC Instruments
UsageLaboratory

Customers can avail from us a wide array of Transistor Characteristic Curve Apparatus in assorted array.
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FET Characteristics Apparatus

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FET Characteristics Apparatus
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Approx. Rs 2,200 / Piece(s)Get Latest Price

Field Effect Transistor Characteristic Apparatus (F.E.T.) : The apparatus is designed to draw the characteristic of a F.E.T. Complete with power supply of its own. It is provided with THREE METERS to read different parameters


Additional Information:

  • Minimum Order Quantity: 1 Piece(s)
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Battery Eliminators

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Battery Eliminators
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Approx. Rs 550 / EACHGet Latest Price

With an aim to cater to the varied demands of patrons, we are engaged in offering best grade Battery Eliminator.

Features:

 

  • Durability

  • Fine finish

  • Optimum performance

  • Less maintenance

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