Description

In the first part of this course modern microelectronic circuits are covered and in the second part these circuits are used in practical applications. Topics include: active and passive filtering circuits, baseband and high-frequency signal generation, low phase-noise oscillators using Quartz crystals and dielectric resonators, power amplifiers, discussion of power gain, linearity, and efficiency, frequency mixers and multipliers, phase-locked loops, clock recovery circuits, biological sensors, neurostimulator circuits, biotelemetery communications systems, backscatter modulators and RF-to-DC power converters for radio-frequency identification (RFID), radar imaging systems, radiometer circuits for earth surface mapping.

Prerequisites for this course: ELEC 323 or MATH 335, ELEC 353

Course Learning Outcomes (CLOs)

• Design passive lumped-element filtering networks having a Butterworth or Tchebyshev response and an arbitrary number of components.
• Design high-frequency and tunable active filters using operational transconductance amplifiers (OTA's)
• Design Colpitts oscillators, and low phase-noise oscillators such as crystal oscillators and dielectric resonator oscillators.
• Understand the fundamental design parameters for power amplifiers such as: power added efficiency, output power compression, linearity, and linearization techniques.
• Design frequency mixer circuits using diodes and transistors. Understand mixer terminology such as conversion loss/gain, 1-dB compression point, linearity, and the difference between single and double-balanced mixers and their respective advantages.
• Analyze the transient and steady-state operation of a phase locked loop. Be able to design a PLL to have a specified overshoot due to a step change in input phase or frequency.
• Understand the operation of various biological sensors, neurostimulators, and implantable medical devices.
• Understand how biotelemetry systems using ASK, FSK, or BPSK modulation work.
• Design the basic components of an RFID transmit-receive system. Understand the operation of backscatter modulators. Design an RF-to-DC power conversion system.
• Understand the operation of radar imagers and radiometers systems that are used in surface mapping and weather prediction systems.

Credit Breakdown

Lecture: 3
Lab: 0.25
Tutorial: 0

Academic Unit Breakdown

Mathematics 0
Natural Sciences 0
Complementary Studies 0
Engineering Science 18
Engineering Design 21

Outline:

Weeks 1 and 2 - Filters: passive and active filtering using operational transconductance amps (OTAs); Passive Butterworth and Tchebyshev lowpass and bandpass filters, notch filters; High-frequency active filters using operational transconductance amplifiers

Weeks 3 and 4 - Oscillators: feedback formulation; negative resistance formulation; Noise in oscillators; high-frequency oscillators; Crystal Oscillators; Dielectric Resonator Oscillators

Week 5 - Amplifiers: linearity; gain compression, intermodulation distortion; feedback, feedfoward, predistortion linearization techniques;

Weeks 6 and 7 - Mixers: fundamentals of diode and transistor-based mixers; unbalanced, single balanced and double balanced mixers; RFIC mixers

Weeks 8 and 9 - Modulation and demodulation circuits: amplitude shift keying (ASK); phase shifty keying (PSK); frequency shift keying (FSK); phase-locked loop (PLL) basics; clock and data recovery circuits

Week 10 - Bioelectronics: microelectronic biological sensors; neurostimulators and implantable medical devices; biotelemetry circuits using ASK, FSK, and BPSK modulation;

Week 11 - Radio-frequency identification (RFID) systems: transmit-receive tag-reader system; backscatter modulators for RFID transponder tags; coils for RF energy reception in tags; RF-to-DC power conversion circuits

Week 12 - Radar imaging and radiometry for earth surface imaging: the radar equation and system concepts; doppler radar for weather forecasting; radiometers: power sensors, dielectric lenses for energy focusing, millimeter-wave front-end circuits, calibration

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