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详细说明： Siano公司的SMS1180芯片的DataSheet 大家还可以参考http://download.csdn.net/source/1866897连接的PCB原理图 目录： TABLE OF CONTENTS INTRODUCTION............................... 7 ABOUT THIS DOCUMENT ....................... 7 FURTHER READING AND RELATED DOCUMENTS .... 7 1 SMS1180 INTRODUCTION ..................... 8 1.1 KEY FEATURES............................ 9 1.2 BLOCK DIAGRAM............................9 1.3 MAIN FEATURES OF TUNER ................. 11 1.3.1 DUAL BAND SUPPORT..................... 11 1.3.2 FULLY INTEGRATED SOLUTION ............ 11 1.3.3 ROBUST CLOCKING SYSTEM ............... 11 1.3.4 ROBUST POWER SUPPLY CIRCUITRY......... 11 1.3.5 GSP CONTROLLED........................ 11 1.4 MAIN FEATURES OF DEMODULATOR ........... 11 1.4.1 CMMB (S-TIMI) SUPPORT................. 11 1.4.2 MULTIPLE INTERFACES SUPPORT........... 12 1.4.3 PWM................................... 12 1.5 FEATURES OF SMS1180 HOST API ........... 12 1.6 SYSTEM DATA FLOW........................ 13 2 POWERING THE SMS1180 ..................... 14 2.1 SCOPE .................................. 14 2.2 SMS1180 SUPPLIES........................ 14 2.2.1 TUNER SUPPLIES........................ 14 2.3 DEMODULATOR SUPPLIES ................... 14 3 CLOCKING THE SMS1180 CHIP................. 15 3.1 SCOPE .................................. 15 3.2 PHASE NOISE ............................ 15 3.3 REQUIREMENTS ........................... 16 3.3.1 PHASE NOISE REQUIREMENT OF THE SOURCE 16 3.3.2 CRYSTAL ADDITIONAL REQUIREMENTS ...... 17 4 SMS1180 INTERFACE MODES .................. 18 4.1 SCOPE .................................. 18 4.2 INTERFACING THE SMS1180 ................ 18 4.3 SELECTING THE INTERFACE MODE ........... 20 4.4 USB MODE................................ 22 4.Proprietary and Confidential Information of Siano 4.5 GSP CONTROL AND STATUS EXCHANGE ...... 23 4.6 SPI MODE ............................... 23 4.7 SDIO MODE............................... 25 4.8 PWM..................................... 27 5 RF FRONT END.............................. 28 5.1 SCOPE .................................. 28 5.2 ANTENNA................................. 29 5.2.1 UHF ANTENNA SPECIFICATION ............ 29 5.2.2 S-BAND ANTENNA SPECIFICATION ......... 29 5.3 THE FILTER.............................. 30 5.3.1 UHF FILTER SPECIFICATION NON GSM APPLICATION.. 30 5.3.2 UHF FILTER SPECIFICATION IN GSM APPLICATION... 30 5.3.3 S-BAND FILTER SPECIFICATION .................... 30 ............... GLOSSARY........................................ 62 ...展开收缩
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