PPT-– 1 – Data Converters Sample-and-Hold Professor Y. Chiu

EECT 7327 Fall 2014 SampleandHold SH Basics ZOH vs TrackandHold TH 2 Data Converters SampleandHold Professor Y Chiu EECT 7327 Fall 2014 Zero acquisition time Infinite bandwidth. Marta Rencz Gergely Nagy BME DED November 19 2012 brPage 2br The basic concepts of AD and DA converters DA converter architectures AD conversion and ADC architectures Introduction The world is analog signal processing nowadays is digital The transit DACs are most easily understood by examining a simplified DAC block diagram As shown in Figure 1 the architecture of a onechannel DAC consists of a resistor array each of equal value R followed by a railtorail voltage output amplifier The voltage a 114 AD Converters ADCs perform two basic fundamental operations discretiza tion in time and discretization in amplitude e two functions are shown con ceptually in Figure 1 though the actual ADCmay not be structure as such 1 e rst operation of the Telephone hold time is valuable marketing time. Interesting scripts, professional voices & engaging music will impress callers and advertise your business. Most Interpoint power converters have partial input line filters consisting of a single inductorcapacitor LC section which reduce the differential spectral noise components to about 30 mA pp This is adequate for many applications However where lower On-Hold Marketing produces effective hold line messages, music & phone greetings customized for your telephone system. Data Converter . Design 2. Introduction. 1. Data Converters. Signal. Conditioning. ADC. MCU. DAC. Post. Processing. -Amplification. -Anti-aliasing. . filter. ex. Smoothing filter. Analog-to-Digital Converters . and . poisons. Rates of Reaction. Catalytic Converters. Exhaust fumes contain. CO – . due . to incomplete combustion of hydrocarbons. NO & NO. 2. – . N. 2. . in air is oxidised at high temperatures. Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. Subranging. ADC. Subranging. ADC Architecture. – . 2. –. Data Converters . Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. 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. Pipelined ADC. Pipelined ADC Architecture. – . 2. –. Data Converters Pipelined ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. A bucket brigade of algorithmic ADC w/ concurrent operation of all stages. What is ironic about the officers calling Mr. Chiu a saboteur?. Mr. Chiu holds fast to his belief that the police “owe” him an apology and “must” compensate him. Does this happen? Explain.. 66CLINICALREPORTSIntroductionVascularsequelaeofthethoracicoutletsyndromeariseasaresultoftheintermittentbutlong-termcompressionofthesubclavianarterybycervicalrib,cartilageorfibrousband.Long-termtraumat 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.