CE834 Active RF Devices and Circuits

Course Name: 

CE834 Active RF Devices and Circuits

Programme: 

M.Tech (CE)

Category: 

Elective (Ele)

Credits (L-T-P): 

(3-0-0) 3

Content: 

Transistor Amplifiers - Types of amplifiers. S- parameter characterization of transistors; MESFETs - Equivalent circuit model. Single stage amplifier design- unilateral and bilateral cases, Amplifier stability, Constant gain and noise circles, DC bias circuits for amplifiers;Detectors and Mixers - Point contact and Schottky barrier diodes- Characteristics and equivalent circuit, Theory of microwave detection, Detector circuit design. Types of mixers. Mixer theory and characteristics. SSB versus DSB mixers. Single-ended mixer and single-balanced mixer- Design and realization in microstrip. Double balanced and image rejection mixers;Oscillators - Oscillator versus amplifier design, Oscillation conditions;Gunn diode – Modes of operation, Equivalent circuit. Design of Gunn diode oscillator in microstrip. FET oscillators. Frequency tuning techniques. Switches and Phase Shifters - PIN diode– Equivalent circuit and Characteristics, Basic series and shunt switches in microstrip; SPST and SPDT switches, Switched line, branchline coupled and loaded line phase shifters in microstrip. Applications in phased arrays. Oscillators - Oscillator versus amplifier design, Oscillation conditions. Gunn diode – Modes of operation, Equivalent circuit. Design of Gunn diode oscillator in microstrip. FET oscillators. Frequency tuning techniques.

References: 

D. K. Misra, Radio Frequency and Microwave Communication Circuits – Analysis and Design, John Wiley, 2004.
G. Gonzalez, Microwave Transistor Amplifiers – Analysis and Design, Prentice Hall, 1997.
D. M. Pozar, Microwave Engineering, John Wiley, 1998.
S.K. Koul and B. Bhat, Microwave and Millimeter Wave Phase Shifters, Vol.II- Semiconductor and Delay Line Phase Shifters, Artech House, 1991.
G.D. Vendelin, A.M. Pavio and U.L. Rhode, Microwave Circuit Design using Linear and Non-linear Techniques, 1990.
 

Contact us

Dr. U. Shripathi Acharya,  Professor and Head, 
Department of E&C, NITK, Surathkal
P. O. Srinivasnagar,
Mangalore - 575 025 Karnataka, India.

  • Hot line: +91-0824-2473046

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