Mixed signal systems and integrated circuits Akira Matsuzawa Tokyo Institute of Technology 5/10/2009 A. Matsuzawa 1 Contents • Mixed signal systems • High speed A/D converters • High speed D/A converters • Sigma delta A/D and D/A converters • Wireless systems and RF CMOS circuits • PLL and related systems 5/10/2009 A. Matsuzawa 2 Aim of this lecture • Understanding basic current mixed signal systems – Wireless transceiver • Understanding basic mixed signal circuit building blocks: basic operation method and basic design method – A/D and D/A converter – Sigma-delta modulation – Phase Lock Loop and Delay Lock Loop – Low Noise Amplifier – Frequency Mixer – Voltage Controlled Oscillator and Frequency Synthesizer 5/10/2009 A. Matsuzawa 3 1. Mixed signal systems 5/10/2009 A. Matsuzawa 4 Current electronics and mixed signal technology 5/10/2009 A. Matsuzawa 5 Exciting digital consumer electronics world New consumer electronics era has been emerged. Key technologies are digital multimedia and System on a Chip. EExxcciittiinngg MMuullttiimmeeddiiaa wwiitthh SSyysstteemm LLSSII Storage Media Broadcasting SSoolluuttiioonnss Communication Network Audio and Video Anywhere Anytime Media Better Look Processor Better Sound Higher Quality Semiconductor System and Software Technology Technologies 5/10/2009 A. Matsuzawa 6 LCD Driver LCD driver is a simple example of mixed signal LSI LCD Drivers 5/10/2009 A. Matsuzawa 7 LCD Driver LCD driver is an array of DA converters 6bit *R,G,B*2=36bit Cotroler #1 #2 #8 Start Carry Shift Resigter64 D00-07 1 64 D20-27 Flip- or D40-47 Flop ect 6 el D10-17 s D30-37 Flip- 6 6bits*3=18 Flop D50-57 384 * 6 bits Latch 6bits*3=18 6 6 6bits*3=18 384 * 6 bits Latch 6 6 384 * 6 bits level shifter 6 6 384 * Voltage ScallingDA Converter 384 output XGA: 1024*RGB (=3072) → 3072/384=8LSIs pixel subpixel 5/10/2009 A. Matsuzawa 8 Image of current electronics Digital consumer electronics and networking drive current electronics. IEEE 1394, USB, Blue tooth, Wireless LAN DAB CCSS//BBSS Ethenet Digital TV IITTSS Home network HHIIII SSttaattiioonn ADSL, FTTH NNeettwwoorrkk DDiiggiittaall TTVV HHoommee WW--CCDDMMAA SSeerrvveerr DDVVCC DDVVDD 5/10/2009 A. Matsuzawa 9 Mixed signal technology :Digital networkings Mixed signal technology enables high speed digital networking. Data conversion Equalization Encryption Data and clock recovery Noise cancellation Error correction Analog Digital Side-stream Scramber TX1 & DAC DDAACC Trellis,Viterbi DAC Pulse Shaping TX2 Symbol Encoder Line TX3 6b, 125MHz ADC, DAC I/F TX4 AADADACDCDCC FFE Slicer Side-stream Descramber & Trellis, DFE Viterbi 250Mbaud Clock decoder (PAM-5) Recovery Echo Canceller Analog circuit 3-NEXTCanceller Digital circuit 5/10/2009 A. Matsuzawa 10
Description: