【免费】mtk --GSM/GPRS Layer 1 Programming Guide

BrayL

Table of Contents ..................................................................................................................................................4
1 Introduction .....................................................................................................................................................6
2 RF Control Configuration ...............................................................................................................................8
2.1 Overview 8
2.2 Create RX Window...............................................................................................................................9
2.2.1 RX ADC Control ............................................................................................................................10
2.2.2 Serial Interface Control .................................................................................................................10
2.2.3 Parallel Interface Control...............................................................................................................13
2.3 Create TX Window ..............................................................................................................................15
2.3.1 TX DAC Control ............................................................................................................................15
2.3.2 Serial Interface Control .................................................................................................................15
2.3.3 Parallel Interface Control...............................................................................................................18
2.3.4 APC Control .................................................................................................................................19
2.3.5 Parallel Interface Control enhancement (add PT2B).....................................................................19
2.4 RF module Initialization .......................................................................................................................20
2.5 Global RF Variables Used for Setting BSI Data ..................................................................................21
2.6 Synthesizer N-Counter Evaluation.......................................................................................................22
2.6.1 Evaluated Synthesizer N-counter Setting for RX window..............................................................22
2.6.2 Evaluated Synthesizer N-counter Setting for TX window..............................................................22
2.7 Transceiver Gain Setting Evaluation ...................................................................................................23
2.8 RF Control Configuration of MT6119C RF Module..............................................................................23
2.8.1 Initialization ..................................................................................................................................24
2.8.2 Create RX window ........................................................................................................................24
2.8.3 Create TX window.........................................................................................................................31
3 The Limitation of TDMA Timing Setting .......................................................................................................37
3.1 TDMA Timing Limitation in GSM mode ...............................................................................................37
3.1.1 BSI TDMA Timing Limitation in GSM mode ..................................................................................37
3.1.2 BPI TDMA Timing Limitation in GSM mode ..................................................................................40
3.2 TDMA Timing Limitation in GPRS mode .............................................................................................42
3.2.1 BSI TDMA Timing Limitation in GPRS mode ................................................................................42
3.2.2 BPI TDMA Timing Limitation in GPRS mode ................................................................................45
4 Baseband Front End Setting .........................................................................................................................47
4.1 RX Path 47
4.1.1 IQ Swap .......................................................................................................................................47
4.2 TX Path 47
4.2.1 IQ Swap .......................................................................................................................................47
4.2.2 I/Q Swing .....................................................................................................................................47
4.2.3 I/Q DC Offset................................................................................................................................48
4.2.4 Bias Current .................................................................................................................................48
4.2.5 Cut-off Frequency of Smooth Filter ...............................................................................................49
5 Path Loss and Gain Configuration ...............................................................................................................50
5.1 Radio Gain and Path Loss..................................................................................................................50
5.2 Table of Path Loss..............................................................................................................................50
【文件名】:10122@52RD_GSM_GPRS_L1_Programming_Guide_20060120.pdf
【格　式】:pdf
【大　小】:1102K
【简　介】:
【目　录】:

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本文来自：我爱研发网(52RD.com) - R&D大本营
详细出处：http://www.52rd.com/bbs/Detail_RD.BBS_206766_86_1_1.html

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