Data Acquisition and Transmission Syllabus for
Data Acquisition and Transmission
Data Acquisition System: Definition and generalized block diagram of data acquisition system (DAS), Classification of DAS, working principle block diagram, construction and salient features of the following data
acquisition systems: Analog data acquisition system using time division multiplexing, Analog data acquisition system using frequency division multiplexing, Digital data acquisition system with different configurations and Data logger.
Data Transmission Systems: Definition, generalized block diagram of Telemetry system, classification of Telemetry system the working principle, block diagram, construction, salient features and applications of the following Telemetry systems: DC voltage, current and position telemetry system (Landline Telemetry system), Radio frequency amplitude modulated and frequency modulated telemetry system – theory related to amplitude and frequency modulation techniques, Pulse telemetry system – pulse amplitude modulated (PAM) system, pulse width modulated system (PWM), pulse code modulated system (PCM) system, Modem based telemetry
system, Satellite Telemetry system and Fiber optic Telemetry system.
Display Systems: Construction, principle of operation and salient features of various kinds of display devices such as LED, Nixie tube, LCD, segmental gas discharge type, single and multi digit LED 7-segmental display system (study of BCD to 7 segment code converter / decoder), Nixie tube based display system for numeric display (study of BCD to decimal decoder), to design LED Dot Matrix (3 x 5) numeric display system and LCD 7- segmental numeric display system
Digital Instruments: Digital voltmeters (DVMs): working principle, construction, operation, salient features, range selection– Ramp type, dual slope integrating type, successive approximation type, Digital Frequency Meter: working principle, construction (block diagram), range selection and operation of, time period meter, frequency ratio meter, Digital Clock: block diagram construction and working, Analog Storage Oscilloscope and Digital storage oscilloscope: working principle, construction, operation and salient features.
Recorders: The working principle, construction, operation and salient features of X-t strip chart recorder, X-Y strip chart recorder and Magnetic type recorder.
1. Sawhney A K, “Electric and Electronic Measurement and Instrumentation”, Dhanpat Rai and Sons, New
2. Bell David A, “Electronic Instrumentation and Measurement”, PHI, Inc, New Delhi (1994).
3. Tocci Ronald J , “Digital Systems Principles and Applications”, PHI, New Delhi (2002)
4. Doebelin E O, “Measurement systems – Applications and Deign”, McGraw Hill, New Delhi (1990).
5. Mani and Rangan, “Instrumentation Devices and Systems”, Tata McGraw Hill, New Delhi (1997).