Syllabus - Instrumentation (AT-703 (C))

Agriculture Technology

Instrumentation (AT-703 (C))

VII

Unit I

Semiconductors

p—n junction. V—I characteristics of p—n junction. diode as a circuit element. rectifier. clipper. damper, voltage multiplier, capacitive filter. diode circuits for OR &AND (both positive and negative logic), bipolar junction transistor: operating point. classification (A.B & C) of amplifier. various biasing methods (fixed. self potential divider). h-parameter model of a transistor. analysis of small signal. CE amplifier. phase shift oscillator, analysis of differential amplifier using transistor. ideal OP-AMP characteristics. linear and non-linear applications of OP-AMP (adder. subtractor. integrator, active rectifier. comparator. differentiator. differential, instrumentation amplifier and oscillator). zener diode voltage regulator. transistor series regulator. current limiting. OP-AMP voltage regulators.

Unit II

Basic theorem of Boolean algebra

Combinational logic circuits(basic gates. SOP rule and Kmap). binary ladder D/A converter, successive approximation A/D converter, generalized instrumentation

Unit III

Measurement of displacement, temperature, velocity, force and pressure using potentiometer

resistance thennometer, thermocouples. Bourclean tube, pressure gauges. LVDT, strain gauge circuits, wheatstone bridge and other bridges and tacho-generator, load cells.

Practicals

  • To study V-I characteristics of p-n junction diode

    To study half wave. full wave and bridge rectifier: To study transistor characteristics in CE configurations: To design and study fixed and self bias transistor: To design and study potential divider bias transistor: To study a diode as clipper and clamper: To study a OP-AMP IC 741 as inverting and non- inverting amplifier: To study a OP-AMP IC 741 as differentiator and integrator to study a differential amplifier using two transistor: To study a OP-AMP IC 741 as differential amplifier: To study a zener regulator circuit: To study a OP-AMP IC 741 as a active rectifier: To study a OP-AMP IC 741 as a comparator

  • To familiarize with various types of transducers

    Straingauge bridges, thermocouple, pressure gauges measurement of load (load cell), torque, power and energy, etc. and its calibration

Reference Books

  • Mehta V K. Principles of Electronics. S. Chand and Co., New Delhi.

  • Shaney A K. Measurement of Electronics and Electronic Instrumentation. Khanna Publications.

  • Roy Chowdary. Integrated Electronics. John Wiley International.

  • Kumar Anand. Digital Electronics. A. PHI.

  • Gupta Sanjeev, Sonthosh Gupta. Electronic Devices and Circuits. Danapath Rai Publications