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AF Signal generator 1 KHz
The carrier generator 100 KHz
Amplitude modulator
Amplitude demodulator
Power Supply ±5 V/500 mA
AF Signal generator 5 KHz
The carrier generator 200 KHz
Frequency modulator
Frequency demodulator
Power Supply ±12 V/500 mA
AF Signal generator 1 kHz
Carrier generator 8 & 16 kHz
PPM modulator
PPM demodulator
Power Supply ±5 v/500 ma
Voice transmission through optical fiber cable.
To study transmitter circuit & calculate its output power
To study receiver circuit & calculate its input power
To study the attenuation of the signal between transmitter & receiver end.
Measurement of numerical aperture
AF Signal generator 20 Hz to 20 KHz, 5 V p-p
Clock generator 2 KHz to 32 KHz to study:
Sample and hold
Natural sampling
Flat top sampling
Sampling clock width control 10% to 90
Low pass filter
Power supply +/- 12 V. 500 mA and +/- 5 V, 50 mA
Required numbers of patch cords and operating manual
Technical Specifications :
Transmission line: Co-axial cable 100m (25mx4) Impedance Matching Resistance:- 0-100W 2 nos. Test Generators:- 1. Sine Wave 4 KHz – 4MHz
2. Square Wave 40 KHz – 4 MHz * Interconnections: 4 mm banana socket
Test Points: 10
Power Supply: 220 Volt ±10%, 50Hz
Power Consumption:- 3 VA approx.
Accessories: Mains Cord, Set of Patchcord, Manuals, BNC – BNC cable, BNC – Crocodile clip, Multimedia interactive computer based training manual & software.
Measurement with: (i) Matched
(ii) Short
(iii)The open end of the line
(a) Measurement of line properties, Line attenuation, Freq characteristics of the line, Input Impedance.
(b) Measurement of stationary waves
(c) Phase shift along the line
(d) fault localization within the line
(e) A line of pulsed condition.
AF Signal generator 1 KHz
Carrier generator 8 & 16* KHz
PWM modulator PWM demodulator
Power Supply ±12 V/500 mA
It has a facility to generate the binary code of input signal, using analog to digital converter and time division multiplexing of two such PCM data stream.
Input channels: 2 Nos. Time-division multiplexed, Pulse code modulated
Onboard signals: 1KHz, 500 Hz variable amplitude synchronized sine-waves. Two variable amplitude DC levels
Synchronization signal: Pseudo-random code generation
Parity code facility: Even, Odd, Hamming, No Parity
Switch Fault mode: Facility to create signal bit error using the DIP switch
LED Display: At every functional block for examination of Digital data and control signal
Mode of Operation: Fast/Slow
Interconnection: 2mm banana socket
Power Supply: +5V, +/-12V
(+/-)5v, +/-12V/350 mA DC Power Supply
Built-in TTL Clock Generator
Modulating signal Generator 1KHz with variable amplitude
Delta Modulator
Delta Demodulator