Radio IF Amplifier Stage 6013
Stereo Cassette Player Trainer 6023

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…

FET 4 Input Mixer 6029

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…

Car Stereo ( Two in One ) Player Trainer 6026

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…
Frequency Selective Network 6019
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…
Effect to Negative Feedback on Mixer & IF Stage 6014

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…