PDF-EECS 247 Lecture 24: Oversampling Data Converters

. S Smith EECS 105 Prof J S Smith Context Today we will cont inue the discussion of single transistor amplifiers by looking at common source amplifiers with source degeneration also common Emitter amplifiers with emitter degeneration We will then star Lecture 23•Oversampled ADCs–1Bit quantization•Quantization error spectrum•SQNR analysis•Limit cycle oscillations–2order SDDynamic range •Practical implementation 373. Batteries . and DC converters. Continuing with power issues. Review. Basic power issues. Power Integrity. Discuss. Battery selection. DC converter options. Today…. Review: . Basic power issues. Advanced Embedded Systems. Lecture . 9. :. Batteries and DC converters. Continuing with power issues. Review. Basic power issues. Power Integrity. Discuss. Battery selection. DC converter options. Today…. 10.9 - OVERSAMPLING CONVERTERS INTRODUCTION What is an oversampling converter? An oversampling converter uses a noise-shaping modulator to reduce the in-band quantization noise to achieve a high degr EECT 7327 . Fall 2014. Oversampling ADC. Nyquist. -Rate ADC. – . 2. –. Data Converters Oversampling ADC Professor Y. Chiu. EECT 7327 . Fall 2014. The “black box” version of the quantization process. EECT 7327 . Fall 2014. Data Converter Basics. A/D and D/A Conversion. – . 2. –. Data Converters Data Converter Basics Professor Y. Chiu. EECT 7327 . Fall 2014. A/D Conversion. D/A Conversion. EECT 7327 . Fall 2014. DAC Architecture. DAC Architecture. – . 2. –. Data Converters DAC Professor Y. Chiu. EECT 7327 . Fall 2014. Nyquist DAC architectures. Binary-weighted DAC. Unit-element (thermometer-coded) DAC. EECT 7327 . Fall 2014. Algorithmic . (Cyclic) ADC. Algorithmic (Cyclic) ADC. – . 2. –. Data Converters Algorithmic ADC Professor Y. Chiu. EECT 7327 . Fall 2014. Input is sampled first, then circulates in the loop for N clock cycles. Distributed. . Systems. Fall 2017. Harsha . V. Madhyastha. Consistency vs. availability. Replica can execute client requests only if in same partition as majority. What consistency can we offer if we want . Lecture 15:. Power review & Switching power supplies. (again). A number of slides taken from UT-Austin’s EE462L power electronics class.. http://users.ece.utexas.edu/~. kwasinski/EE462LS14.html. EECT 7327 . Fall 2014. CMOS Comparator. Comparator. – . 2. –. Data Converters Comparator Professor Y. Chiu. EECT 7327 . Fall 2014. Transfer characteristic. (ideal). Circuit symbol. Detects the polarity of the analog input signal and produces a digital output (1 or 0) accordingly – threshold-crossing detector. Presenter: Syed Sharjeelullah. Course: CS-732. Authors: Jefferson L. P. Lima. David Macedo. . Cleber. . Zanchettin.