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Beat Frequency Oscillator Trainer
FEATURES:
• On board sine generator • Transistor based mixer • Built in power supply • Easy interconnections are made by patch chords • Detailed documentationTECHNICAL SPECIFICATIONS:
• Sine Source - Fixed Frequency : 43.5 KHz - Variable Frequency : 41 KHz to 45 KHz • Transistor based mixer provided • Built-in amplifier • Power supply - + 12V DC, 200 mA - Unit is operated using 230V AC Power.
PAM-PPM-PWM Modulation and Demodulation Trainer
PAM- PPM- PWM is the basic pulse modulation techniques. This trainer provides complete setup to the students for performing Experiments on these techniques. They can study Sampling, Pulse Modulation &Signal reconstruction process. Separate circuits are provided for each Techniques.
FEATURES:
• PAM- PPM- PWM Modulation and Demodulation Techniques,using Natural and Flat - top Sampling. • Natural Sample, Sample and Hold and Flat-top outputs. • Selectable 2 different sampling pulse frequencies on board. • On board Sine wave generators. • Voice communication using dynamic microphone and speaker • On board Filters and Amplifier • Functional blocks indicated on board schematic • Input- Output and Test points provided on board. • Built in DC Power Supply • Fully documented operating ManualTECHNICAL SPECIFICATION:
• Crystal Frequency : 6.14MHz • Sampling Frequency : 16 KHz, 32 KHz • Sine wave Generator : 1 KHz &500Hz, Amplitude (0-5)V, Tolerance +5% • Low Pass Filter : 4 Order BW Filter • Cut off frequency : 3.4 KHz • Voice Communication : Voice Link using dynamic mic& speaker • AC Amplifier : With Adjustable Gain control • Microphone type : Dynamic, 600 Ohm. • Audio Pre-amplifier : Op-amp based • Power amplifier : 1W Mono • Interconnections : BS2 Connector. • Power : 230V, 50Hz
Pulse Code Modulation/Demodulation
FEATURES:
• In-built sine wave generator • Test points to study different waveforms • In-built DC Power supplyTechnical Specifications:
• Sine wave Generator : Frequency : 1 KHz, Amplitude : 0 to 3Vpp • DC Voltage : -1.5 V to +1.5V • Clock Generator : Crystal based, 4.096MHz • Data rate : 64 kbps (for 8 KHz sampling rate)128kbps (for 16 KHz sampling rate) • ADC and DAC bits : 8 • Demodulator filter type : Butterworth low pass filter • Filter type : 6th • Filter cut-off frequency : 3.4 KHz • Mic Pre-amplifier : Transistor based • Compandingrange : -80dBm to +20dbm • Switched faults : 4 • Test points : 35 • Fuse : 30V, 100mV • DC Supply : ±5V, ±12V • System Bandwidth : 3.4 KHz
TDM-PAM Modulation and Demodulation
FEATURES:
• Crystal based clock generator • On-board synchronized sine wave generator (250Hz, 500 Hz,1KHz, 2KHz) • On-board DC voltage for receiver synchronization • Four channel Time Division Multiplexing &Demultiplexing • Three wire, Two wire and single wire transmission system • On-board PLL for clock Recovery • Comparator for receiver channel synchronization • Fourth order butter worth Low pass filterTECHNICAL SPECIFICATION:
• Crystal Frequency : 6.4MHz • SinewaveType : On-board synchronized • SinewaveFrequency : 250KHz, 500Hz, 1KHz, 2KHz • DC Level : 0 to 5V (Variable) • Number of Channel : Four • Multiplexer Type : Switch Based • DemultiplexerType : Switch Based • Channel Synchronization : Comparator • Clock Recovery : Phase Locked Loop • Filter Type : Butter worth, Low Pass Filter • Filter Cut off Frequency : 3.4 KHz
Ultrasonic Interferometer
Ultrasonic Interferometer is a simple and easy to use unit for the accurate measurement of ultrasonic velocity in a Liquids and Liquid systems at the desired temperature (and at desired frequencies).