ECE – 603 HIGH FREQUENCY ELECTRONICS

1. Generation of Microwaves by tubes: (1.1) Limitation of conventional tubes, (1.2) Klystron amplifiers, (1.3) Reflex Klystron oscillator, (1.4) Magnetrons, (1.5) Travelling wave tubes (TWT).

2. Generation of Microwaves Solidstate sources: (2.1) Bipolar transistors, (2.2) Field effect Transistors (2.3) Transferred Electron oscillators, (2.4) Avalanche Diode Oscillators.

3. Microwave Network representation : (3.1) Kirchhoff’s Laws and Maxwell’s Equations, (3.2) Voltages and currents (3.3) Waveguide impedance (3.4) Scaterring Matrix Representations. (3.5) Examples.

4. Passive circult components at high frequencies: (4.1) Impedance Transformers, (4.2) Microwave filters (4.3) Directional couplers.

5. Introduction to Ferriters : (5.1) Introduction, (5.2) Ferrites and Tensor permeability.

6. Microwave control and logic components : (6.1) PIN Diodes, (6.2) PIN Diode switches, (6.3Z) Phase shifters (6.4) PIN attenuators, Modulators and limiters, (6.5) Logic ckts. using transferred Electron Devices (6.5) Logic ckts. using Ga As MESFETS.

7. Microwave Integrated ckts. (MIC): (7.1) Planer transmission lines (7.2) Technology of Hybrid MIC’s (7.3) Advantages of MIC’s, (7.4) Difficulties MIC’s.

TEXTBOOKS:

1. Microwave Engineering - K.C. Gupta, Wiley Eastern.

2. Microwave Principle - Reice, Krauss and others.

3. Electronic Communication system - Kennedy (Mc. Graw Hills, Kogaleusha).

4. Microwave Engineering - R. Chatterjee.

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