參數(shù)資料
型號(hào)： S5H1420
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： Channel Decoder for DVB-S/DSS
中文描述： 頻道解碼器DVB-S/DSS
文件頁(yè)數(shù)： 2/31頁(yè)
文件大?。?/td> 849K
代理商： S5H1420
S5H1420
DBS Channel Decoder for DVB-S/DSS
-2
TABLE OF CONTENTS page
1. INTRODUCTION...……………………………………………………………………………………
3
1.1 Overview ………………………………………………………………...………………….………….3
1.2 Features…………………………………………………………………………………………………..3
1.3 Applications………………………………………………………………………………………………3
1.4 Ordering Information………………………………………………………………………………………3
1.5 Functional bock diagram ……………………………………………………………………………….4
2
.
IN INFORMATION...……………………………………………………………………………………
4
2.1 Pin assignment……………………………………………………………………………………………4
2.2 Pin description……………………………………………………………………………………………5
3. FUNCTIONAL DESCRIPTION ...……………………………………………………………………………
6
3.1 Signal processing ……………………………………………………………………………………...6
3.1.1 I & Q inputs ……………………………………………………………………………………6
3.1.2 PRE – AGC…………………………………………………………………………………………6
3.1.3 Root raised cosine and rate conversion filter …………………………………………………6
3.1.3 Offset cancellation ...……………………………………………………………………………….6
3.1.4 POST – AGC ........…………………………………………………………………………………6
3.2 Timing recovery.………………………………………………………………………………………..6
3.2.1 Timing control……………………………………………………………………………………...6
3.2.2 Loop equation……………………………………………………………………………………. 7
3.2.3 Timing lock indicator… …………………………………………...……………………………….7
3.3 Carrier recovery and derotator loop ………………………………………………………………….7
3.3.1 Loop equation ……………………………………………………………………………………7
3.3.2 Carrier lock detector……………………………………………………………………………….8
3.3.3 Derotator frequency………………………………………………………………………………..8
3.3.4 Automatic frequency detector…………………………………………………………………….8
3.3.5 False lock……………………………………………………………………………………………8
3.4 Forward error correction………………………………………………………………………………8
3.4.1 FEC modes………………………………………………………………………………………..8
3.4.2 Soft decision………………………………………………………………………………………8
3.4.3 Viterbi decoder and synchronization……………………………………………………………8
3.4.4 Synchronization…………………………………………………………………………………...9
3.4.5 Error monitoring…………………………………………………………………………………..9
3.4.6 Convolutional deinterleaver………………………………………………………………………9
3.4.7 Reed-Solomon decoder and descramble………………………………………………………9
3.4.8 Spectrum Inverse of Code Rate 5/6……………..………………………………………………10
3.4.9 MPEG interface……………………………………………………………………………………10
3.4.9.1 Parallel output interface……………………………………………………………………10
3.4.9.2 Serial output interface………………………………………………………………………10
3.4.9.3 MPEG Clock Control ………………………………………………………………………12
3.5 Front end interface……………………………………………………………………………13
3.5.1 I
2
C interface……………………………………………………………………………………….13
3.5.2 Write operation (Normal Mode)…………………………………………………………………13
3.5.3 Read operation (Normal Mode)…………………………………………………………………13
3.5.4 Identification register……………………………………………………………………………..13
3.5.5 Sampling frequency………………………………………………………………………………13
3.5.6 Clock generation………………………………………………………………………………….13
3.5.7 I
2
C Bus repeater…………………………………………………………………………………..14
3.5.8 DiSEqC interface…………………………………………………………………………………14
4. REGISTER LIST……………………………………………………………………………………………..
16
5. ELECTRICAL CHARACTERISTICS………………………………………………………………………
26
5.1 Absolute maximum ratings…………………………………………………………………………….26
5.2 Recommended operating conditions…………………………………………………………………26
5.3 DC electrical characteristics…………………………………………………………………………..26
5.4 A/D converter……………………………………………………………………………………………26
5.5 Timing characteristics………………………………………………………………………………….27
5.6 I
2
C Bus characteristics…………………………………………………………………………………28
6. APPLICATION EXAMPLES………………………………………………………………………………..
29
6.1 Application examples with DVB-S Tuner……………………………………………………………29
7. PACKAGE DIMENSION…………………………………………………………………………………….
30
8. Data Sheet Update History…………………………………………………………………………...…….
31
Samsung Electronics Co, Ltd. Proprietary Information
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參數(shù)描述
S5H1420X01 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:Channel Decoder for DVB-S/DSS
S-5-H-16.4-D 制造商:Interconnect Devices Inc (IDI) 功能描述:S-5-H-16.4-D S/C 制造商:Interconnect Devices Inc (IDI) 功能描述:PROBE
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S5H16.4G 制造商:Interconnect Devices Inc (IDI) 功能描述:SPRING CONTACT PROBE PCB 制造商:Interconnect Devices Inc (IDI) 功能描述:SPRING CONTACT PROBE, PCB 制造商:Interconnect Devices Inc (IDI) 功能描述:SPRING CONTACT PROBE, PCB; Connector Type:Test Point; Connector Tip Style:Waffle; Current Rating:5A; Overall Length:36.07mm; Spring Force Initial:2.8oz; Spring Force Working Travel:16.4oz; Centerline Spacing:4.75mm; Length:1.420" ;RoHS Compliant: Yes
S-5-H-16.4-G 制造商:Interconnect Devices Inc (IDI) 功能描述:GLD PLTD WAFFLE, SIZE 5, SPRING FORCE 8OZ@.170 TRAVEL, GLD PLT PLUNGER
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