DSB/SSB AMPLITUDE MODULATION (AM) RECEIVER TRAINER

Description

DSB/SSB AMPLITUDE MODULATION (AM) RECEIVER TRAINER

Product Code: GE442B

Features:

• Receiver Principle: Super heterodyne

• Frequency range:525 KHzto 1625 Khz

• Optional Frequency: 400 KHz to 1. S M

• Intermediate Frequency: 455Khz

• On board variable capacitor tuning, Local Oscillator, BFO, RF amplifier, Mixer

• Detectors, AGC, Audio output amplifier

• Onboard Test Points & Fault Switches

• On board audio jacks provided for Microphone and Earphone connection

• Onboard receiving antenna

LIST OF EXPERIMENTS

• Study of DSB and SSBAM Reception & detection by di ode/pro duct detectors

• Study of AGC

• Study of receiver tuned circuits

• Study of sensitivity, selectivity & fidelity of receiver

Frequency Transmitter Receiver Trainer

Product Code: GE 443

Features

• On board Audio Oscillator FM Modulator, Demodulator, Low Pass Filter, Amplitude

Limiter&Filtersections

• Onboard Test Points & Fault Switches

• On board audiojacks provided for Microphone and Earphone connection

• Onboard speaker provided for Audio

• Onboard Transmitting antenna

List of Experiments

• Study of FM modulators

• Effect of noise of FM transmission

• Study of Tuned circuits

- Separate VCO circuit to demonstrate FM waveforms

GSM Trainer

ProductCode: GE444

Features:

• Based on 89C51 family based processor,

• 40x2 LCD for Display interface and Keyboard entry through IBM PC Keyboard.

• Mic input with conditioning circuit.

• Keyboard matrix (5x4) for scanning the key codes.

• Audio output on Headset.

• SIM socket.

• Understanding of various functions with the use of AT commands.

• Various SIM signals like Card Read, Card Clock, Card Presence, Card Data are available for debugging.

• With buzzer provides For iincoming call,

• External antenna for capturing the incoming signal.

• Various examples using AT commands are given for Phone dialing, SMS Read, Write, Phone book, General purpose I/O lines, Keyboard interface to Modem are given.

• Modem can operate through PCas well as standalone system directly.

• In-built power supply

Technical Details