- Civil Lab Mechanical Lab Engineering Lab Equipments
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CAT NO: DIDACTICNLE-Export-081098
Spectrum Analyzer Application Demonstration Trainer.
The Trainer has been specially designed for
learning how to use a Spectrum Analyzer for Frequency and Level
Measurements and Tracking Generator applications like HF Filters and
Amplifier Response, Channel Modulation, Mixers, study of Mobile and
Cordless signals and study of Harmonics in sine, square & triangular
waves. TV & FM transmitted signals can be analyzed on Spectrum
Analyzer using this Trainer and audio output can be heard on the speaker
mounted inside the trainer.
Technical Specifications
Housing :
All experiments are housed in a single attractive box which is self contained, ready to use having built- in DC power supplies.
Experiments :
The manual describes 18 experiments that can be performed with this trainer and Spectrum Analyzer.
Application I
Filter Responses : Four filters, very precisely designed for checking filter responses on Spectrum Analyzer.
Types of filters are :
1. Low pass Filter (Cut off 115 MHz approx.)
2. High pass Filter (Cut off 100 MHz approx.)
3. Wide Band pass Filter (Cut off 25 MHz - 280 MHz approx.)
4. Notch Filter or narrow band reject filter (Cut off 95 MHz-160 MHz approx.)
Application II
DC Amplifier Frequency Response : A well designed DC
Amplifier having 3 dB cut off bandwidth of approx. 130 MHz
Application III
Harmonic
Display & Analysis : A Function Generator of frequency range
approx. 40 KHz - 400 KHz (Low) and 200 KHz - 2 MHz (High) having sine,
square,& triangular output with frequency variation and output level
variation(Max.1 V ). Any one output can be given to Spectrum pp
Analyzer for harmonic display.
Application IV
Cable
TV application : Three channel modulator (channel 4, channel 8, &
channel 12) & one mixer is cascaded. Channel modulations have Audio
and Video inputs. The output of modulators and mixer can be seen on
Spectrum Analyzer.
Application V
Live signal Application :
Four types of signal can be seen on Spectrum Analyzer
1. Mobile phone forward and reverse link frequency
2. Cordless phone Transmitting and receiving frequencies
3. FM Radio Reception (Demodulated Audio output)
4. TV signal Reception (Demodulated Audio output)
Demodulated
output from Spectrum analyzer is given to the built- in speaker via
Audio amplifier. A built in telescopic Antenna is provided with Spectrum
Analyzer for catching signals
Power Supply : 220 V ±10%, 50 Hz / 60 Hz on request
Power Consumption : 2 VA(approx.)
Weight : 4.5 Kg (approx.)
Dimensions (mm) : W 440 × D 265 × H 155
Included accessories :
Telescopic Antenna 1 No.
Patch Cord
BNC Cable 2 Nos.
Phono jack connector
Manual
Mains Cord
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