Religh Bridge

Optional Accessories:
1) Galvalnometer 30-0-30 Division Sensitivity of 2μA/Division
2) Two Dials of 0.1mH & 1mH or Two Dials of 1mH & 10mH or Two

Owen Bridge

Optional Accessories:
1) Fixed Sine wave oscillator.
2) Sensitive Head Phone/Null Detector
3) Two Dials of 0.1mH & 1mH or Two Dials of 1mH & 10mH

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Study of Darlington pair Amplifier

Features : Instrument comprises of fixed Output DC Regulated power supply of 12V, Circuit diagram is printed on front panel.

Study of Class A, B, AB and Push Pull Amplifier

Objective : Study of output gain and Frequency Response of class ‘A’, ‘B’, ‘AB’ and Push Pull Amplifiers.
Features : Instrument comprises of DC Regulated Power Supply, Circuit for all the amplifier circuits printed separately & components are mounted on the front panel.

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Hall effect Experiment

Features : The set up consists of electromagnet of 7.5 Kg, Power supply for electromagnet 0-100V/4 Amp with meter. Germanium crystal mounted & its constant current power supply 0-20 mA fitted with two digital meters for Hall’s voltage & crystal current. Gauss meter digital 0-20 K. Guass with Hall probe.

Work Function of Diode (Richardson Law)

Objective :To draw the graphs between heater current vs heater resistance, Anode voltage vs anode current.
Features : Instrument comprises of DC Regulated power supply of 0-6 V & 0-300 V. Two volt meters & two current meters are mounted on the front panel. Valve diagram is printed on the panel & connection are brought out on sockets/terminals.

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Operational Amplifier Kit (Bread Board Model)

Objective : To study more than 15 experiments based on Characteristics and Applications of Operational Amplifier.
Specifications : Instrument comprises of three DC Regulated Power Supplies of 0-5VDC,fixed output DC Regulated Power Supply ±15VDC, Sine, Square, Triangular wave outputs, one Bread Board having two main strips & two distributions strips. Complete with two dual range Deluxe Meters.
Standard Acc. : Necessary components (Resistances, Capacitors, Poenentio meters & IC’s etc.).

Digital Electronic Circuit Trainer (Bread Board Model)

Objective : A general purpose experimental board to construct more than 60 experiments of Digital Electronics e.g. Construction & Verification of truth tables of Logic Gates, Boolean Identities and Demorgan Theorems, Digital Adder & Subtractors, Flip Flops, Counters, Shift Registers, Encoder & Decoders, Multiplexer & Demultiplexer etc.
Specifications : It comprises of the Bread Board having:-two Nos Vertically Common Strip (Total 1280 Tie Points) and four Nos. Horizontally Common Strips (Total 400 Tie Points), Fixed output DC regulated power supply of 5V/1A and ±15V/500mA, 10 logic input switches logic ‘0’ and logic ‘1’, Ten LED output indicators & one 7- segment displays are provided, 1 Hz monoshot clock pulse with pulser switch & Clock Generator with 1Hz,1KHz, & 10KHz selectable using band switch, One DPM (Digital Panel Meter) is mounted on the front panel.

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Study of Amplitude Modulation And Demodulation

AF Signal generator 1 KHz
Carrier generator 100 KHz
Amplitude modulator
Amplitude demodulator
Power Supply ±5 V/500 mA

Study of ASK (Amplitude Shift Keying) Modulation And Demodulation

+/-12V, +/-5V/350 mA DC Power Supply
Carrier Generator: 50 KHz - 100 KHz,5Vp-p
Clock Generator : 100Hz - 10KHz
Programmable Word Generator : Cyclic 8-Bit Word
ASK Demodulator Assembled in Plastic Box with
circuit screen printed on Glass Epoxy PCB with 2mm
socket for test points & to see the waveforms.

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Stepper motor controller with microcontroller interface

Synchro Transmitter / Receiver trainer

Potentiometric error detector

Magnetic pick up system ( positive And negative)

Magnetic pick up system (Series And parallel)

Light intensity control system

Speed torque characteristics of AC servomotor

Speed torque characteristics of DC servomotor

Linear system simulator

Temperature System simulator

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Study of Logic Gates using TTL ICs (7 in 1)

Objective : To verify the truth table for TTL AND, OR, NOT, NAND, NOR, EX-OR & EX-NOR gates.
Features : Instrument comprises of 5V/150mA DC Regulated Power Supply for logic ‘1’ & logic ‘0’.

Study of Logic Gates using TTL ICs (6 in 1)

Objective : To verify the truth table for TTL AND, OR, NOT, NAND, NOR & EX-OR gates.
Features : Instrument comprises of 5V/150mA DC Regulated Power Supply for logic ‘1’ & logic ‘0’.

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Digit Led Digital Panel Meter
Decade Capacitance Boxes
Decade Inductance Boxes
Decade Resistance Boxes Using Metal Film Resistance
Portable Meters / Watt Meters

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CRO Trainer 10 MHz
CRO Trainer 20 MHz
Colour TV Trainer (With 20" CRT)
VCD Demonstrator
DVD Demonstrator
Stereo Tape Recorder Demonstrator
Function Generator Demonstrator
FM Receiver Demonstrator
AM Radio Receiver Demonstrator (Two Band)
UPS Trainer Demonstrator

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E/M by Thomsan Method

Objective : To study charge of an electron using Thomson method.
Features : High voltage Power Supply with One Meter provided to measure the deflection voltage. Complete with Intensity, Focus & Deflection controls. It is provided with accessories such as compass box, set of ELNICO magnets, Teak wood stand with CRT mounted, Teak wood U stand with scale on both the arms for placing magnets.

E/M by Helical Method

Objective : To study charge of an electron.
Features : Kit Comprises of High Voltage Power Supply Unit with intensity, focus X, Y, deflection & Solenoid current controls. Two metes are provided in Power Supply for Acceleration Voltage control & for solenoid current controls. One Solenoid Unit
Comprises of one Solenoid mounted on Wooden stand & CRT is kept in the solenoid pipe.

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Electronic Components Display Boards

Series Electronic Component Display Boards have been designed specifically to study different types of Resistors, Potentiometers, Capacitors, Switches, Band switches, Diodes, Transistors, Semi-conductor devices, Cables, Connectors, Relays, Transformers and Different IC’s.
Practical experience on this board carries great educative value for Science and Engineering Students.

Features:

Board Size 350 X 400mm, using bakelite sheet for better safety, rigidness and contrast.
Symbolic representation of Components.
Actual components mounted right across the place.
Board fixed on wooden frame.
Individual working without direct teacher supervision.
Stimulates independent student activity.

Study Of Different Resistors And Colour Coding

CarbonResistors1/4,1/2,1&2Watt of different tolerances, Metal Film Resistors 1/4, Watt, High Precision, Wire Wound Resistors of different types with complete theory description. Total 20 Resistors.

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Lab Training Modules

We are engaged in supplying and manufacturing lab training modules having diode valve characteristics, plank's constant apparatus, solar cell characteristics apparatus, thermistor characteristics, etc.
Characteristics & Applications

Diode Valve Characteristics
Triode Valve Characteristics
Tetrode/Pentode Valve Characteristics
Ionization Potential of Mercury
IGBT Characteristics & Application
Plank's Constant Apparatus
Photo Cell Characteristics Apparatus
Work Function of Diode (Richardson Law)
Solar Cell Characteristics Apparatus
Transistor Designer Kit (Discrete Components Trainer)
H' Parameter of PNP Transistor
Transistor Characteristics
SCR Characteristics Apparatus
FET Characteristics Apparatus
Microphone and Loudspeaker Characteristics
Tunnel Diode Characteristics
PN Junction Diode Characteristics
Voltage Stabilization Characteristics
Zener Diode V-l Characteristics
PN/ Zener Diode/ LED Characteristics
Energy Band Gap Apparatus
Energy Band Gap by Four Probe Method
Thermistor Characteristics
UJT Characteristics Apparatus & UJT as Relaxation Oscillator
Mosfet Characteristics Apparatus
Characteristics & Application of Basic Thyristors (SCR, Diac, Traic, UJT)
Characteristics & Application of Semiconductors & Thyristors (SCR, Daic, Traic, UJT, Mosfet, FET, BJT, Diode & Zener)
Diac Characteristics Apparatus
Triac Characteristics Apparatus
Opto Coupler Characteristics Apparatus
LDR Characteristics Apparatus
LED Characteristics Apparatus
Opto Electronic Devices Characteristics (LED, LDR, Photo Transistor & Photo Diode)
Photodiode Characteristics Apparatus

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Cascaded Two Port Network

Objective : To Port Cascaded Network has been designed to study the following : Z-Parameters of singleport or two-port network. Y-Parameters of single-port or two-port network. ABCD-Parameters of single-port or two-port network. h-Parameters of single-port or twoport network.
Features : One continuously variable, Overload and short circuit protected DC regulated power supply of 0- 10V. Two dual range meters are mounted on the front panel to measure the voltage & current. Circuits for two networks are given on the front panel (Resistances in each arm are of 1kΩ.)

RC, Low Pass, High Pass, Band Pass And Band Stop Filters

Objective : To study the Pass Band & Stop Band of Designed filter.
Features : Circuit diagram for all the filters are printed on the front panel and components are mounted behind the front panel. Different types of resistances & capacitors are provided on the front panel. Sockets are mounted on the front panel to connect the Function Generator across input signal & CRO across output.

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Audio Frequency Function Generator 1Hz to 100KHz

Wave Shapes : Sine, Square & Triangular waves selectable using band switch.
Frequency Range : 1 Hz to 100 KHz setable using fine & coarse controls
Accuracy : ±3 % on all ranges, Amplitude for sine wave output : 10 V P/P.

Function Generator 0.1Hz to 1MHz

Wave Shapes : Sine, Square & Triangular Wave outputs
at 4mm sockets/terminals.
Frequency Range : 0.1Hz-1MHz adjustable using fine
& coarse controls.
Accuracy : ±3% on all the ranges
Amplitude for Sine Wave output : 30V peak to peak
Amplitude for Square Wave output : 15V peak to peak
Output Impedance for Sine Wave : App. 600 Ohms
Output Impedance for Square Wave : App. 400 Ohms

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