Checking date: 10/06/2021

Course: 2021/2022

Electronic circuit design for communication
Study: Master in Telecommunications Engineering (227)

Coordinating teacher: PATON ALVAREZ, SUSANA

Department assigned to the subject: Department of Electronic Technology

Type: Compulsory
ECTS Credits: 6.0 ECTS


Requirements (Subjects that are assumed to be known)
(Bachelor) Electronic Systems, Digital electronics, Linear Systems, Communication Theory
The student should acquire the following competences: CE2 Ability to develop communication systems: Antenna design, subsystems and equipments, channel modelling, link budget calculation and planning. CE3 Ability to implement wireline , optic fiber , radio and satellite systems on mobile and landline communication services. CE10 Ability to design and fabricate integrated circuits. CE11 Knowledge about Hardware Description Languages CE12 Ability to use programmable logic devices and to design digital and analog advanced electronics systems. CE13 Ability to design communications components such as routers, switches and hubs , emmiters and receivers of different frequency bands. CE14 Ability to apply advanced knowledges about fotonics and optoelectronics as well as high frequency electronics Learning outcomes: Ability to design and manufacture integrated circuits Know the hardware description languages for high complexity circuits Ability to establish the design requirements of a circuit based on the system level specifications Ability to design advanced electronic systems, both analog and digital. Ability to design communications components such as routers, switches, hubs, among others. Ability to apply advanced knowledge of high frequency electronics.
Skills and learning outcomes
Description of contents: programme
Block I Lesson 1. C ommunications systems circuit design - Processing chain in a communications system - Introduction to microelectronics in communications systems. System on Chip (SoC). Design flow of a SoC Lesson 2. Active filters in continuous time -Review of filter synthesis theory - Biquadratic filters - Sallen Key Filters and its derivatives - State variables filtes wir RC-Opamp circuits - Filters with gyrators - Gm-C Filters Lesson 3. sample and hold circuits - The CMOS switch - Sampling circuits and basic sample&hold circuits - Charge injection phenomenon - Sampling uncertainty phenomenon - Integrated Sample & Hold Circuits Lesson 4. Switched capacitor circuits - Elements of a switched capacitor circuit - Basic Integrator - Discrete Integrator insensitive to parasitic capacitances with delay - Discrete Integrator insensitive to parasitic capacitances without delay - Adder and gain stages - Discrete time Filters of first and second order Block II: Lesson 5. Special Communications Amplifiers: hybrid circuits, tuned amplifiers, mixers, AGC - Single-ended and differential LC tuned amplifiers. Integrated inductances. - Active mixers of 2 and 4 quadrants - Variable gain amplifiers VGA - Amplifiers with Automatic Gain Control (AGC). Logarithmic control law Lesson 6: Non linear circuits - Total Harmonic Distortion (THD) Concept - IP3 point of an amplifier - SFDR and SNDR concepts - Differentail amplifiers - RF power amplifiers Lesson 7. Noise in electronic systems - Review of statistical definitions of electrical noise. Noise spectral density - Equivalent noise bandwidth of a circuit - Types of circuit noises. Small-signal noise models of semiconductor devices - Noise in discrete systems. Maximum SNR of an ideal sampler. - Noise Factor and Friis formula. - Concept phase noise of an oscillator. Relationship to jitter of a digital clock. Block III: Lesson 8. Principles of A/D and D/A. D/A converters - Noise a uniform quantizer - Static parameters of an A/D and D/A, static errors, INL and DNL. - Dynamic parameters. SNR, SNDR, SFDR, ENOB and dynamic range. - D / A converters with resistance networks - D / A converters with current sources - D / A converters with switched capacitors - Converter with R-2R network Lesson 9. A/D converters - Integrating A/D Converters (ramp, dual ramp) - Succesiva approximation A/D converters (SAR) - Pipe-line A/D converters - FLash A/D converters Lesson 10: Oversampled Circuits - Concept of oversampled systems - Principle of noise shaping (Noise Shaping) - Sigma-delta modulators of 1st and 2nd order - Implementation of oversampled A/D - Implementation of oversampled D/A converters Lesson 11: Frequency Synthesis - Types of Frequency Synthesizers - Dynamic Equations of a phase control loop (PLL) - Elements of a PLL: phase comparators, LC VCO, programmable dividers - Phase noise in a digital divider - Double modulus synthesizers - Synthesizers controlled by sigma-delta modulation - DDS Synthesizers - Ring Oscillators. Time to Digital Converters - Digital PLL Synthesizers
Learning activities and methodology
The training activities include: * Master classes, small group questions resolution classes, student presentations, individual tutorials and student personal work, including study, tests and exams; oriented to the acquisition of theoretical knowledge. * Classes of problems in small groups, individual tutorials and personal work of the student, including study, tests and exams; oriented to the acquisition of practical skills related to the program of each subject * Laboratory practices * Preparation of papers and reports individually or in groups as a result of circuit simulations or experimental work The teaching methodologies will be: * Exhibitions in class of the teacher with support of computer and audiovisual media, in which the main concepts of the subject are developed * Resolution of practical cases and problems raised by the teacher individually or in groups * Preparation of work and reports individually or in groups as a result of practical work in the laboratory or computer room
Assessment System
  • % end-of-term-examination 45
  • % of continuous assessment (assigments, laboratory, practicals...) 55
Calendar of Continuous assessment
Basic Bibliography
  • A. Sedra. Microelectronic Circuits. Oxford Publishing. 1991
  • B Razavi. RF Microelectronics. Prentice Hall. 1998
  • D. Johns. Analog Integrated Circuit Design. J. Willey & Sons. 1997
  • J. Smith. Modern Communication Circuits. McGraw-Hill Science. 1997

The course syllabus and the academic weekly planning may change due academic events or other reasons.