Mixed signal systems and integrated circuits

58 Pages·2007·4.59 MB·English

Mixed signal systems and integrated circuits
Akira Matsuzawa
Tokyo Institute of Technology
9/28/2007 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
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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
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1. Mixed signal systems
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Current electronics and
mixed signal technology
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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
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LCD Driver
LCD driver is a simple example of mixed signal LSI
LCD Drivers
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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
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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
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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
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