High-frequency analog circuit design

Lectures: 

For the full YouTube playlist, click here.

• Lecture 1: Introduction & recap of MOS amplifiers (common-source, drain & gate); Differential amplifier (video)

• Lecture 2: Motivation to replace resistor by a pMOS current source in a diff. amp.; deriving the 5-transistor OTA [no recording :( ]

• Lecture 3: Small-signal gain & input common-mode range in the 5-T OTA [no recording :( ]

• Lecture 4: Slew rate in a 5-tansistor OTA; impedances at various nodes in a five-transistor OTA (video)

• Lecture 5(a): Input & Output common-mode ranges in the five-transistor OTA with a pMOS input pair (video)

• Lecture 5(b): Step response with a capacitive load: VCVS vs. VCCS (video)

• Lecture 5(c): Recap of small-signal impedances at each node in the five-transistor OTA (video)

• Lecture 6: No recording :(

•  Lecture 7(1): Telescopic cascode: output swing limits & biasing; High-swing cascode current mirror 

Course contents

• Recap of single-stage MOS-based amplifiers; frequency response of single-stage amplifiers

• Multi-stage amplifiers & stability in negative feedback loops; Miller-compensation, feed-forward compensation, nested Miller and feed-forward compensation

• Noise & mismatch in resistors and MOSFETs; Calculating the input-referred noise in amplifiers

• Introduction to analog layout, and some layout techniques 

• Fully differential amplifiers, common-mode feedback (CMFB), stabilizing CMFB loops

• Systematic analog design using the "gm/Id" technique

• Useful circuits using negative feedback

References

• "Design of Analog CMOS Integrated Circuits" by Behzad Razavi

• "Analog Integrated Circuit Design", by Tony Chan Carusone, David A. Johns, Kenneth W. Martin

• NPTEL lectures on "Analog IC design" by Prof. Nagendra Krishnapura