MODEL B1: R-C AND L-C CIRCUITS & THEIR APPLICATIONS MODEL B2: TRANSFORMER CHARACTERISTICS MODEL B3: SERIES RESONANCE MODEL B4: PARALLEL RESONANCE MODEL B5: B-H CURVE AND HYSTERISIS LOOP MODEL B6: TRANSIENT RESPONSE OF SECOND ORDER NETWORK MODEL B7: TRANSFER FUNCTION OF SIMPLE NETWORKS OF PHASE ANGLE MEASUREMENTS. MODEL B8: LEAD AND LAG NETWORKS - FREQUENCY & PHASE COMPENSATION METHODS MODEL B9: LISSAJOUS MEASUREMENTS ON C.R.O.

ADVANCED RADAR TRAINING SYSTEM MODEL - ARTS PPI Screen

Advanced Satellite Communication Trainer (Model - X9A) SATELLITE DIGITAL RECEIVER

Advanced Trainers Electronics Design Experimenter

The LAB A.F.OSCILLATOR, is a very useful laboratory instrument and is a source of pure sine wave and square waves. It is intended primarily to test, measure audio equipment parameters, such as input sensitivity, frequency response, stage gain, distortion and power.

The LAB A.F.OSCILLATOR, is a very useful laboratory instrument and is a source of pure sine wave and square waves. It is intended primarily to test, measure audio equipment parameters, such as input sensitivity, frequency response, stage gain, distortion and power.

ANALOGUE MOTOR CONTROL TRAINING SYSTEM

VOICE TRANSMITTER/RECEIVER TRAINER USING FIBRE OPTIC CABLE pecifications

ELECTRONIC WORK STATION Specifications: This trainer is a single glass epoxy printed circuit board with legends neatly screen printed in multi colour on the front side and all the components are soldered back side of the pcb to avoid tampering fixed components like resistors, capacitors, transistors, diodes, and variable components like potentiometers are mounted on the front side of the PCB for making linear measurements.

LASER TRAINER Introduction LAB Laser Trainer offers suggestion for activities, demonstration & experiments that can be performed. The Laser Trainer comes with necessary accessories like convex lens, concave lens, Polaroid filter and beam stop screen. Laser Trainer comes with detailed instruction manuals which covers topics involving 1.Reflection 2.Refraction, 3.Beam Deviation, 4.Absorption, 5.Communications. The typical measurements such as the wave length of laser light and determining the effects of polarization are also explained. The instruction manual even includes the basic theory of the Laser Pointer operation and safety precautions when dealing with Laser Technology.

WEATHER STATION TRAINER

WEATHER STATION TRAINER

SATELLITE COMMUNICATION RECEIVER TRAINER

LAB OPTO ELECTRONICS TRAINER is a highly versatile and self contained trainer.This trainer helps the students to understand the characteristics of opto electronics components .This trainer is designed on single Printed Circuit Board with circuits printed in multi colour for easy identification

THYRISTOR APPLICATION TRAINER

Advanced Trainers R.F. Signal Generator (Transistorised)

FACSIMILE DYNAMIC DEMONSTRATOR

VIDEO CASSETTE RECORDER DYNAMIC DEMONSTRATOR

The Analogue communications course provides comprehensive, hands-on instruction in the terminology, principles and applications of analog communications. In this course, students receive hands-on circuit training and acquire skills to measure radio signals with an oscilloscope. Students also learn the functions of oscillators, filters, amplifiers, LC networks, modulators, limiters, mixers, and Detectors in communication circuits. Lab Analog Communication Trainer is a very versatile and completely self-contained laboratory instrument built in regulated power supply with short circuit protection

ANALOGUE MOTOR CONTROL TRAINING SYSTEM ANALOGUE TRAINERS

ANALOGUE/ DIGITAL IC MODULAR TRAINER MODEL - ADT This trainer is a single glass epoxy printed circuit board with legends neatly screen printed in multi colour on the front side and all the components are soldered on the back side of the PCB to avoid tampering of fixed components like resistors, capacitors, transistors, diodes. Variable components like potentiometers are mounted on the front side of the PCB for making linear measurements.

LAB Analogue computer trainer is a comprehensive trainer teaches fundamentals and applications of analog computation like ADDER,SUBTRACTOR,INTEGRATOR,DIFFERENTIATOR AND SOLVING SECOND ORDER DIFFERENTIAL EQUATIONS

Antenna System Trainers – 700MHz (PC –Based)

LAB Antenna System Trainer is a versatile trainer. Student can understand the basic principles of EM theory and the directivity patterns of various types of antennas. The fundamental principles of radio waves, and the basic operating action and characteristics of different types of antennas can be studied.

ACCESSORIES

CASSETTE PLAYER TRAINER

Lab Bread Board System Trainers is a "6 in 1" system. It provides regulated power supply and input signals, which are most widely used.

CCTV Dynamic Demonstrator Model-Z12

COLOUR TV DYNAMIC DEMONSTRATOR SPECIFICATION

Compact Disc Player Trainer Model-CDT

CATHODE RAY OSCILLOSCOPE (CRO) DYNAMIC DEMONSTRATOR

1. Study of AM Receiver (MW) 2. Study of FM Receiver

VIDEO CASSETTE RECORDER DYNAMIC DEMONSTRATOR

LAB Analogue / Digital Communication Trainer is a versatile instrument which includes all important principles of Digital Modulation Techniques. This trainer is designed on a Single Printed Circuit Board using the most modern Computer Aided Design (CAD)

The digital communications course provides further comprehensive, hands -on instruction in the terminology, principles, and application of digital circiuits, including NRZ, RZ, manchester Encoding and decoding, clock synchronizer, frequency -shift keying (FSK) generation, PSK synchronous detection, amplitude-shift keying (ASK) generation, ASK asynchronous and synchronous detection, channel Effects, and FSK/DPSK (differential phase - shift keying ) modem. Following a carefully designed Instructional program, students become familiar with all components of the board, are able to isolate, identify, and test a series of circuits and perform troubleshooting exercise to demonstrate mastery of the course objectives.

Lab Digital system trainer is a very versatile and completely self contained laboratory instrument built in regulated power supply This trainer consists of the following fundamental logic gates:

Model Y1 is a "6 in 1 equipment. It provides regulated power supplies and input signals, which are most widely used.

Lab EPABX Dynamic Demonstrator is packed with various features to understand the complete working of communication through Electronic Exchange. To achieve the above objective our Demonstrator is provided with various fault inducing switches, and test points are derived from important sections like Micro controller, opto-isolator, matrix switch and programmable array logic.

FIBRE-OPTICS EDUCATIONAL COMMUNICATION KIT

FIBER OPTICS SIMPLEX CMOS DIGITAL TRANSCEIVER TRAINER

FIBER OPTICS SIMPLEX ANALOGUE TRANSCEIVER TRAINER

CASSETTE PLAYER TRAINER

To build FM Transmitter works great for almost any application that requires small size and sensitive audio pick-up. Its sensitive mike preamp stage permits pickup of sounds many yards away. Typical uses for this fun and economical kit include:

The Industrial Trainer is a wonder instrument with which you can enter a world of Fiber Optics, the very new way of transmitting light and image. Your imagination, coupled with this Fiber Optic Kit will give you an opportunity to experiment with light and have hours of intellectual fun. Although many experiments are presented for your enjoyment, you are encouraged to give vent to your creative talent and develop your own experiments. The following experiments can be conducted using the Industrial Fiber Optic Trainer.

FIBER OPTICS SIMPLEX CMOS DIGITAL TRANSCEIVER TRAINER

INTEGRATED SERVICE DIGITAL NETWORK TRAINER - ISDN

1. The objective of this MAX Trainer is to introduce several basic concepts related to Delta Modulation (D.M). 2. To study the hardware implementation of Delta Modulation.

Study of AM Receiver (MW) Study of FM Receiver

The lab Linear IC Trainer is a very versatile and completely self-contained laboratory instrument with built in regulated power supply.

The lab Microwave communications training system provides a complete hands-on course of study in the principles of microwave communications. Supplied with a laboratory manual containing both theory and practical exercises contains all the necessary hardware to allow students to explore the real-life application and limitations of microwaves.

MOBILE COMMUNICATION TRAINER (MODEL-MCT)

LAB RF Signal Generator generates high frequency sine wave assuring very stable oscillation. Because of the simple operation, mechanical sturdiness, clear scale reading, etc. which are the features of this instrument. This generator is used in many radio factories for the alignment. These features may also meet requirements by schools, laboratories and service benches for their experimental purposes

SATELLITE COMMUNICATION RECEIVER TRAINER Lab Satellite Communication Receiver Trainer is highly advanced version. After studying this demonstrator the student will have thorough knowledge of Satellite Communication Receiver. The objectives of using this trainer are: 1. Where it is useful 2. Why it is used 3. The reason of using high frequency for communications via Satellite 4. Reception of down link signal frequencies 5. Parts of dish antenna 6. LNB mounting arrangement 7. Faults due to dish antenna, co-axial cable, LNB 8. Assembling the dish antenna 9. Alignment of dish antenna 10. Receiver circuit description. The block diagram of the Satellite Communication Receiver is printed on the front panel of the trainer. All necessary test points are provided to observe various signals at different stages. Controls like Vision IF, gain control, and volume control are provided on the trainer. DESCRIPTION OF SATELLITE RECEIVER The main function of receiver is to select a particular channel in the converted block of frequencies between 950-1450 MHz and separate the audio and video information. The audio and video cut sockets are provided at the back of the receiver. Generally, an internal modulator is incorporated in the receiver which modulates the audio and video information giving the modulated RF output . The receiver consists of the following stages: 1.Tuner 2. IF Stage i LC Network ii 70 MHz Filter iii IF gain control iv IF Amplifier 3. Detector + Amplifier i. Frequency Demodulator ii. Comparator iii Low Pass Filter 4. Video Amplifier i. High Pass Filter 5. Audio Detector 6. Audio Amplifier 7. Polarator Block 8. Power : 230V AC-MAINS OPERATED Lab Satellite Communication Trainer comes with detailed Instruction Manual, with step by step Procedure, dish antenna and colourTelevision receiver DIMENSION: Dish Antenna-6feet Satellite Receiver Trainer -82cmsx19cmsx48cmx Colour TV 20" with Remote Control SPECIFICATION OF COLOUR TV RECEIVER 1. Receiving System : CCIR B/G 2. Colour Receiving System PAL & NTSC-PLAY BACK 3. Receiving Channels VHF-Low :Ch 2-4 VHF-High :Ch 5-12 VHF :Ch 21-69 Tuner :Hyperband 4. Picture Tube : 53.5 cm, 90 degree Deflection 5. Antenna Input Impedance : 75 OHMS, Unbalanced 6. Speaker : 3" 5", 16 Ohms, 2 pcs 7. Sound Output : 30W PWPO 8. Audio/Video/Input/Output Terminals : Audio input/output. Level 500m Vrms Impedance 30 K Ohms Video Input/Output level 1.0V p-p, 75 Ohms Unbalanced (Composite Video Signal, Sync-negative) 9. Power Requirement : AC 220V, 50Hz (Regulation Range 160V to 270 AC) 10. Power Consumption : 80W (Max) 11. Remote Control : Volume, channel selection, MENU (Volume, Brightness, Contrast, Colour) 12. Controls : TV/AV ASAM (Auto search, Auto Memory) MENU (Brightness, Contrast, Colour) VOLUME PROGRAMME (Channel select) (These specifications are subject to change without notice) (These specifications are subject to change without notice) MICROWAVE COMMUNICATION TRAINING SYSTEM DESCRIPTION: The lab Microwave communications training system provides a complete hands-on course of study in the principles of microwave communications. Supplied with a laboratory manual containing both theory and practical exercises contains all the necessary hardware to allow students to explore the real-life application and limitations of microwaves. The practical exercises and assessments contained in the laboratory manual help students to understand how physical phenomena such as INTERFERENCE, PROPAGATION, AND ABSORPTION of microwaves can have serious effects upon the performance of communications systems. TOPIC AREAS: 1. Introduction to microwaves. 2. Measuring the microwave signal and Klystron tube characteristics 3. Reflection of microwaves. 4. Radio signal propagation. 5. Standing wave measurement. 6. The advantages of using wave guide. 7. Wave guide experiment. 8.Microwave behavior in a dielectric. This Trainer comes with klystron power supply klystron tube with mount Variable attenuator Direct reading frequency meter. Slotted station with tunable probe. etc. Rader Training System LAB ELECTRONICS Radar Training Kit is a comprehensive trainer comes with all necessary microwave components. In this trainer, all importance has been given to understand the basic principles of radar operation. The detailed Instruction Manual will be supplied along with the trainer.

The LAB Advanced Radar Training System offers Model ARTS realistic classroom training, in radar techniques, enabling instructors and students to study the principles involved in doppler radar systems. The system is designed with low power for safe operation.

Advanced Satellite Communication Trainer (Model - X9A) SATELLITE DIGITAL RECEIVER

LAB Transistor receiver is another versatile super-heterodyne receiver designed to understand all the functions of single band transistor receiver. This trainer is a single PCB and all necessary components are mounted inside the PCB and circuit diagram is printed on the PCB. It has got antenna coils, local oscillator, RF amplifier, IF amplifiers, diode detector, audio amplifier and power amplifier with volume control.

Characteristics & Testing Methods

SINGLE SIDE BAND TRANSMISSION SYSTEM:

SINGLE SIDE BAND TRANSMISSION SYSTEM

TELEPHONE LINK USING FIBER OPTIC CABLE (MODEL-FO10)

Build your telecommunications lab around the trainer with teaching features built right in the versatile Telecommunication Trainer. LAB ELECTRONICS TELEPHONE SYSTEM TRAINER is a Universal, "all-in-one" trainer, complete with built-in ANALOG POWER METER, ATTENUATOR, FREQUENCY COUNTER, FUNCTION GENERATOR AND CARRIER GENERATOR. It combines all these instruments - which, if purchased separately, would cost many times more - into one cost-effective teaching tool. When coupled with our Telecommunication Circuit Trainer, Telephone System Trainer gives students access to specially pre-wired experiment boards that bring to life the concepts of our entire telecommunications curriculum. Then they will be well on their way to becoming proficient in the repair, installation and specification of the very latest telecommunications systems - This trainer is Tough, durable, all-inclusive and relevant to the 'knowledge revolution' in telecommunications: that's the TELEPHONE SYSTEM TRAINER.

BLACK AND WHITE TV DYNAMIC DEMONSTRATOR

TRANSMISSION OF LASER BEAM THROUGH AN OPTICAL FIBER

VOICE TRANSMITTER/RECEIVER TRAINER USING FIBRE OPTIC CABLE pecifications