Audio & Video Engineering

Hi – Fi Amplifier Trainer with graphic equaliser 6031

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational and experimenting purpose. *          Provides complete experimental and theoretical knowledge of Hi–Fi Amplifier with Graphic Equaliser. *          Test points are provided at various stages in the circuit to observe the record the waveforms and voltages. *          Supply  required 230V ±…

Cordless Phone Trainer 6030

SPECIFICATIONS :  *       Completely self – contained stand – alone unit. *       Demonstrates the working principle & working of cordless phone. *       Unit                                 :        1. Main unit with charger. 2. Handset. *       Antenna                       :        Provided. *       Key functions        :          Volume ; digits, *, #, redial. *       Battery                         :        In – built. *       Battery Charger     :        To be provided. *       Complete Block Diagram is given…

Stereo Cassette Player Amplifier Trainer ( with graphic equaliser ) 6028

SALIENT FEATURES : *       Completely self contained stand – alone unit. *       Designed for educational and experimenting purpose. *       Provides complete experimental and theoretical knowledge of Stereo Cassette Player circuit with Amplifier and Graphic Equaliser. *       Test points are provided at various stages in the circuit to observe the record the waveforms and voltages. *       Supply  required 230V ± 10% AC…

P. A. ( Public Address ) Amplifier Trainer Model – 6027

SALIENT FEATURES : *          It is a completely self – contained unit. *          The complete circuit of a P.A amplifier is printed on a single PCB of size 410 mm x 320 mm. *          All parts is soldered on single pin tags on the PCB for easy replacement and fault creation. *          Fault creating facilities is…

Two in One Trainer 6025

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Provides complete experimental and theoretical knowledge of the latest Radio Cassette Recorder circuit based on IC 810. *          Supply required 230V AC 50Hz single phase, monitored by a LED. *          Components mounted on single pin tags which are fitted on a specially designed…

Graphic Equaliser Trainer 6024

SALIENT FEATURES : *          Completely self – contained stand alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of a 5 band graphic equalizer and plot its frequency response. *          5 band graphic equalizer for 50 Hz, 150 Hz, 500 Hz, 1 KHz, 5 KHz. *          Facility for connecting…

Stereo Cassette Player Trainer 6023

SALIENT FEATURES : *         Completely self contained stand – alone unit. *         Designed for educational and experimenting purpose. *         Provides complete experimental and theoretical knowledge of stereo cassette player circuit based on IC 810. *         Actual stage – wise circuit on a single large PCB with stage-wise component legend printing for easy identification. *         All components on specially designed tags…

Tone Control ( Bass & Treble ) 6022

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of a passive tone control circuit, which is effectively a variable passive filter. *          Frequency response for various frequencies at various points of tone control and plotting of graph. *          Test…

Sound Level Indicator 6021

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of an audio analyser. *          Consists of pink – noise generator, a band pass filter with variable centre frequency, a suitable microphone with pre – amplifier a suitable Loudspeaker and precision rectifier…

Cross – Over Frequency Network for Loudspeakers 6020

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of a passive cross over frequency network for Loudspeakers. *          Frequency response for various frequencies in the audio range and plotting of graph. *          Study of practical Loudspeakers, band pass and…

De – Emphasis Circuit 6018

SALIENT FEATURES : ►         Completely self contained stand – alone unit. ►         Demonstrates the principle and working of a De – Emphasis Circuit. ►         Passive Circuit using RC. ►         Bank of Resistor and Capacitor. ►         Plot of input frequency v / s output voltage for different R – C time constant. ►         Test points provided…

Pre – Emphasis Circuit 6017

SALIENT FEATURES : ►         Completely self contained stand – alone unit. ►         Demonstrates the principle and working of a Pre – emphasis circuit. ►         Supply required 230 V, 50 Hz AC. ►         Built – in IC based power supply with short circuit protection and LED indication for supply “ON”. ►         Transistorised Circuit with Selectable L…

Loudspeaker : Study 6016

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of various loudspeakers. *          Test points at various stages in the circuit to observe and record the waveforms and voltages. *          Housed in an elegant metal cabinet with a well spread…

Microphones : Study 6015

SALIENT FEATURES : *          Completely self contained stand – alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of various microphones. *          Test points at various stages in the circuit to observe and record the waveforms and voltages. *          Housed in an elegant metal cabinet with a well spread…

Radio IF Amplifier Stage 6013

SALIENT FEATURES : *          Completely self – contained stand alone unit. *          Designed for educational & experimenting purpose.  *         Demonstrates the principle & working of the intermediate frequency ( IF ) amplifier of a conventional MW radio receiver. *           IFT’s on panel for students to tune themselves. *          Test points at various stages in the…

Radio Mixer Stage 6012

SALIENT FEATURES : *         Completely self – contained stand alone unit. *          Designed for educational & experimenting purpose. *          Demonstrates the principle & working of the first stage of a MW radio receiver, i.e. the mixer stage. *          Test points at various stages in the circuit to observation table & record the waveforms & voltages….

FM Radio Receiver Trainer 6011

SALIENT FEATURES : *       Completely self – contained stand – alone unit. *       Demonstrates the principle of Pulse Amplitude Demodulation. *       Supply required 230V, 50Hz AC. *       Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *       Demodulation achieved using diode detector. *       Observation of demodulated waveform. *       Built – in amplifier…

M W Receiver ( IC Based ) 6010

SALIENT FEATURES : *      Completely self – contained stand – alone unit. *      Demonstrates the principle of pulse amplitude modulation. *      Supply required 230V, 50Hz AC. *      Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *      Built – in IC based modulating circuit. *      Modulating signal and carrier signal to…

Study of Different Type of Pre – Amplifier 6009

 SALIENT FEATURES : *         Completely self – contained stand – alone unit. *         Demonstrates the principle of a Frequency Shift Keyed Demodulation. *         Supply required 230V, 50Hz AC. *         Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *         Demodulation achieved by using Phase Lock…

Two Band AM / FM Radio Trainer 6008

 SALIENT FEATURES : *         Completely self – contained stand – alone unit. *         Demonstrates the principle of Frequency Shift Keyed Modulation. *         Supply required 230V, 50Hz AC. *        Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *         IC based modulating circuit using Voltage Controlled Oscillator…

Super Hetrodyne Transistorised Receiver 6007

SALIENT FEATURES : *       Completely self – contained stand – alone unit. *       Demonstrates the principle of Phase Shift Keyed Modulation. *       Supply required 230V, 50Hz AC. *       Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *       IC based modulating circuit. *       Modulating Circuit consists of a Phase Shifter Amplifier…

DVD / VCD Player Trainer 6003

SALIENT FEATURES : *       Completely self – contained stand – alone unit. *       Demonstrates the principle of Amplitude Modulation and Demodulation. *       Supply required 230V, 50Hz AC. *       Built – in IC based DC regulated power supply with short circuit protection and LED indication for supply “ON”. *      Built – in carrier signal generator with Amplitude adjust, frequency adjust, and…