Space and astronautical engineering

General information on the design of narrow fractional band circuits. - Presentation of the block diagram of a transponder on satellite (Multichip.pdf paper). - Power adaptation to the interface between microwave circuit blocks (Krauss - Chapter 3, lecture notes). - Definition of transducer gain, power gain and available of a 2-port network (Krauss - Chapter 4, lecture notes). - Definition of the Scattering parameters of a 2-port network (Teacher's notes). - Resonant circuits. The Quality factor of a resonance (Krauss - Chapter 3, lecture notes). - Microwave models of passive devices (Notes of the teacher). - Differential processing and noise rejection. The BJT differential cell: derivation of the static trans-characteristic and of the small signal model for the common mode and for the differential mode (Sedra-Smith). Matching networks - Design requirements for lossless Matching networks: central frequency, bandwidth, transformation ratio (Krauss - Chapter 3, lecture notes). - Matching between complex loads (teacher's notes). - Anti-resonant Matching networks with central tap on the capacitive and inductive branch. Notes on the use of the transformer granted as an Matching network (Krauss - Chapter 3, lecture notes). - General information on transmission lines. Input impedance of a transmission line as a function of line length, characteristic impedance and load. Narrow band Matching networks created with transmission line and stub (lecture notes). - Microstrip lines. Microstrip Matching networks on MMIC (lecture notes). - Broadband Matching networks based on coaxial transmission line transformers (Krauss - Chapter 12, lecture notes) Low noise amplifier (LNA) design - Review of the stability of broadband amplifiers. The stability of microwave amplifiers: Linville and Stern coefficients for unconditionally stable and potentially unstable devices (Krauss - Chapter 4, lecture notes). - The noise in the devices. Noise model of a BJT. Minimum detectable signal. Noise factor of a 2-port network. Noise factor of a cascade of stadiums (Krauss - Chapter 2, lecture notes). - Design requirements of an LNA: compromise between specifications in terms of noise, gain and stability (Krauss - Chapter 4, lecture notes). - Block diagram of an RF and microwave amplifier (Krauss - Chapter 4, lecture notes). Circuits for generating sinusoidal signals. - Barkhausen's criterion (Krauss - Chapter 5, lecture notes). - Colpitts network. Colpitts based oscillators (Krauss - Chapter 5, lecture notes). - Definition of the frequency stability coefficient (Teacher's notes). - Quartz and its use for frequency stabilization (Krauss - Chapter 5, lecture notes). - LC oscillators based on positive feedback differential cells (Teacher's notes). - The phase noise of an oscillator (Teacher's notes). - PLL as a high stability frequency synthesizer (Krauss - Chapter 6, lecture notes) Power stages - Evaluation of the non linearity of an amplifier: definition of the intermodulation coefficients. The Spurious-free dynamic range (SFDR) of an amplification stage (teacher's notes). - Power stages: operating classes A, AB, B, C. Definition of the efficiency and its evaluation for the different classes. Circuit topologies for the design of power amplifiers (Krauss - Chapter 12, lecture notes). - Heat dissipation in the circuits. Thermal resistance and heatsink sizing (Krauss - Chapter 12, lecture notes). - Load-Pull technique for evaluating the optimal matching of a device in the regime of large signals (Teacher's notes). Circuits for frequency translation - Generalities and figures of merits of the Mixer: conversion gain, compression curve, image frequency, symmetries and balancing, isolation between the ports (Krauss - Chapter 7, lecture notes). - Mixer and analog multiplier based on Gilbert cell (Teacher's notes). - Double balanced diode mixers, Bjt balanced mixers (Krauss - Chapter 7, lecture notes). Voltage power supplies - General information on voltage sources on board the satellite (paper Akagi_Justin_FA.pdf). - High efficiency, step-up and step-down power supplies (paper Das.pdf, ST AN2389.pdf). Radiation-Hardening techniques of semiconductors - Functional limits of electronic devices and devices in a space environment (Teacher's notes). - Hardening processes, available radiation-hard and radiation-tolerant technologies (Teacher's notes).

Basic electronics knowledge

Lecture notes. For further information we also recommend: - H. L. Krauss and C. W. Bostian, Solid State Radio Engineering, http://www.csun.edu/~ih20409/SCHOOL1/Solid.State.Radio.Engineering(Krauss.1980).pdf

Lectures, visit to the laboratory at the end of the course

Not mandatory but strongly recommended

Two oral questions

Lectures, visit to the laboratory at the end of the course

General information on the design of narrow fractional band circuits. - Presentation of the block diagram of a transponder on satellite (Multichip.pdf paper). - Power adaptation to the interface between microwave circuit blocks (Krauss - Chapter 3, lecture notes). - Definition of transducer gain, power gain and available of a 2-port network (Krauss - Chapter 4, lecture notes). - Definition of the Scattering parameters of a 2-port network (Teacher's notes). - Resonant circuits. The Quality factor of a resonance (Krauss - Chapter 3, lecture notes). - Microwave models of passive devices (Notes of the teacher). - Differential processing and noise rejection. The BJT differential cell: derivation of the static trans-characteristic and of the small signal model for the common mode and for the differential mode (Sedra-Smith). Matching networks - Design requirements for lossless Matching networks: central frequency, bandwidth, transformation ratio (Krauss - Chapter 3, lecture notes). - Matching between complex loads (teacher's notes). - Anti-resonant Matching networks with central tap on the capacitive and inductive branch. Notes on the use of the transformer granted as an Matching network (Krauss - Chapter 3, lecture notes). - General information on transmission lines. Input impedance of a transmission line as a function of line length, characteristic impedance and load. Narrow band Matching networks created with transmission line and stub (lecture notes). - Microstrip lines. Microstrip Matching networks on MMIC (lecture notes). - Broadband Matching networks based on coaxial transmission line transformers (Krauss - Chapter 12, lecture notes) Low noise amplifier (LNA) design - Review of the stability of broadband amplifiers. The stability of microwave amplifiers: Linville and Stern coefficients for unconditionally stable and potentially unstable devices (Krauss - Chapter 4, lecture notes). - The noise in the devices. Noise model of a BJT. Minimum detectable signal. Noise factor of a 2-port network. Noise factor of a cascade of stadiums (Krauss - Chapter 2, lecture notes). - Design requirements of an LNA: compromise between specifications in terms of noise, gain and stability (Krauss - Chapter 4, lecture notes). - Block diagram of an RF and microwave amplifier (Krauss - Chapter 4, lecture notes). Circuits for generating sinusoidal signals. - Barkhausen's criterion (Krauss - Chapter 5, lecture notes). - Colpitts network. Colpitts based oscillators (Krauss - Chapter 5, lecture notes). - Definition of the frequency stability coefficient (Teacher's notes). - Quartz and its use for frequency stabilization (Krauss - Chapter 5, lecture notes). - LC oscillators based on positive feedback differential cells (Teacher's notes). - The phase noise of an oscillator (Teacher's notes). - PLL as a high stability frequency synthesizer (Krauss - Chapter 6, lecture notes) Power stages - Evaluation of the non linearity of an amplifier: definition of the intermodulation coefficients. The Spurious-free dynamic range (SFDR) of an amplification stage (teacher's notes). - Power stages: operating classes A, AB, B, C. Definition of the efficiency and its evaluation for the different classes. Circuit topologies for the design of power amplifiers (Krauss - Chapter 12, lecture notes). - Heat dissipation in the circuits. Thermal resistance and heatsink sizing (Krauss - Chapter 12, lecture notes). - Load-Pull technique for evaluating the optimal matching of a device in the regime of large signals (Teacher's notes). Circuits for frequency translation - Generalities and figures of merits of the Mixer: conversion gain, compression curve, image frequency, symmetries and balancing, isolation between the ports (Krauss - Chapter 7, lecture notes). - Mixer and analog multiplier based on Gilbert cell (Teacher's notes). - Double balanced diode mixers, Bjt balanced mixers (Krauss - Chapter 7, lecture notes). Voltage power supplies - General information on voltage sources on board the satellite (paper Akagi_Justin_FA.pdf). - High efficiency, step-up and step-down power supplies (paper Das.pdf, ST AN2389.pdf). Radiation-Hardening techniques of semiconductors - Functional limits of electronic devices and devices in a space environment (Teacher's notes). - Hardening processes, available radiation-hard and radiation-tolerant technologies (Teacher's notes).

Basic electronics knowledge

Lecture notes. For further information we also recommend: - H. L. Krauss and C. W. Bostian, Solid State Radio Engineering, http://www.csun.edu/~ih20409/SCHOOL1/Solid.State.Radio.Engineering(Krauss.1980).pdf

Lectures, visit to the laboratory at the end of the course

Not mandatory but strongly recommended

Two oral questions

Lectures, visit to the laboratory at the end of the course