Catalog Description: Analysis and design of electronic circuits for communication systems, with an emphasis on integrated circuits for wireless communication systems. Analysis of noise and distortion in amplifiers with application to radio receiver design. Power amplifier design with application to wireless radio transmitters. Radio-frequency mixers, oscillators, phase-locked loops, modulators, and demodulators.

Units: 4

Prerequisites: EL ENG 140/240A or equivalent

Credit Restrictions: Students will receive no credit for Electrical Engineering 242A after taking Electrical Engineering 142.

Formats:
Spring: 3 hours of lecture, 1 hour of discussion, and 3 hours of laboratory per week
Fall: 3 hours of lecture, 1 hour of discussion, and 3 hours of laboratory per week

Grading basis: letter

Final exam status: Written final exam conducted during the scheduled final exam period

---

Class homepage on inst.eecs

---

Department Notes:

Course objectives: To establish the principles involved in realizing electronic circuit functions for communication applications and to gain design experience in realizing appropriate specifications.

Topics covered:

• High frequency amplifiers. Analysis of tuned amplifiers, matching networks, and feedback amplifiers. Analysis of optimal gain and matching using 2-port theory.
• Distortion in amplifiers and its reduction. Harmonic distortion, intermodulation, cross-modulation. Effect of feedback on distortion. Sources of distortion in devices. Modeling.
• Noise analysis.
• Power amplifiers. Class A, B, AB and C. Integrated circuit realizations. Cross-over distortion. Efficiency. RF power output stages.
• Mixers (frequency converters), Bipolar, FET and IC realizations. Conversion gain and spurious response.
• Oscillator analysis. Amplitude and frequency stability. Waveform distortion. Relaxation oscillators.
• Analog multipliers and phase-locked loops.
• AM and FM detectors.

Related Areas:

• Integrated Circuits (INC)