Analog Integrated Circuits

The first sessions of the course are devoted to the recall of the large and small signal transistor models as well as to the small signal modeling techniques of elementary analog integrated circuits. The second part of the course is devoted to the description of the basic blocks whose interconnection allows the realization of analog integrated circuits: current/voltage reference, mirrors and current sources, single transistor active load amplifiers, differential pair. The fundamental design principles of CMOS amplifiers are discussed in the third part. Emphasis is placed on the performance-transistor sizing link in the design of a two-stage Miller amplifier. Some advanced amplifier architectures are presented at the end of the course in order to highlight the interest of mastering the basic blocks.

assimilate the techniques and methods of designing CMOS analog integrated circuits.

• Understand the difference between polarization (grand-signal) and small-signal operation,
• Identify the basic building blocks of an analog integrated circuit: current mirror, common source, common gate or common drain transistor, ...
• Large-signal analysis: know how to size a scheme for a good polarization,
• Small-signal analysis: establish a small-signal model adapted to the desired analysis,
• Use, modify and improve a transistor schematic.

• Basic concepts of electrokinetics: Ohm's law, Kirchoff's law, Millman's theorem, Thevenin's generator, Norton's generator.
• Analysis techniques of circuits based on generators (Thévenin and Norton), resistors and capacitors.
• Mathematical techniques: derivative.

Recommended prerequisites*:

• Notions on bipolar and/or MOS transistors.
• Large and small signal models of the MOS transistor.
• Stability of looped electronic systems.
• Poles and zeros of a transfer function.

• Large and small signal models of the MOS transistor
• Small-signal modeling of elementary circuits
• Self-polarized floors
• Current sources
• Single transistor amplifiers
• The two-stage Miller amplifier
  • Analysis, sizing and assembly
  • Interest of adding an output stage
  • Stability analysis and stabilization
• Some advanced amplifiers
  • Transconductance amplifiers
  • Cascade voltage amplifiers

CM : 21h

 TP : 21h