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[讨论] 射频设计指南:PCB布局及电路优化

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发表于 2010-1-25 20:16:44 | 显示全部楼层 |阅读模式
关于射频PCB布线很好的资料
【文件名】:10125@52RD_射频设计指南:PCB布局及电路优化.rar
【格 式】:rar
【大 小】:436K
【简 介】:
【目 录】:1 Table of Contents
1 Table of Contents............................................................................................................................2
1.1 Index of Figures .....................................................................................................................2
1.2 Index of Tables ......................................................................................................................2
2 Introduction .....................................................................................................................................3
3 General PCB Layout Techniques ....................................................................................................4
3.1 4-Layer Designs.....................................................................................................................4
3.2 2-Layer Designs.....................................................................................................................5
3.3 PCB Transmission Lines .......................................................................................................6
3.4 Current Loops and Decoupling..............................................................................................7
3.5 PCB Parasitics......................................................................................................................7
4 RF Device PCB Layout and Optimization........................................................................................9
4.1 Thermal Relief Pad ................................................................................................................9
4.2 VCO and Loop Filter ..............................................................................................................9
4.2.1 PCB Layout .......................................................................................................................9
4.2.2 Optimization....................................................................................................................11
4.3 Transmitter Circuit ...............................................................................................................12
4.3.1 Optimization....................................................................................................................12
4.3.2 PCB Layout .....................................................................................................................16
4.4 Receiver LNA Circuit ...........................................................................................................16
4.4.1 PCB Layout .....................................................................................................................16
4.4.2 Circuit Optimization .........................................................................................................17
5 Passive Components .....................................................................................................................20
5.1 Capacitors...........................................................................................................................20
5.2 Inductors ..............................................................................................................................21
1.1 Index of Figures
Figure 1: Semtech Transceiver Architecture...........................................................................................3
Figure 2: 4-Layer PCB Build-Up .............................................................................................................4
Figure 3: 2-Layer Reference Design.......................................................................................................5
Figure 4: PCB Microstrip Trace...............................................................................................................6
Figure 5: Circuit Decoupling and Current Loop Minimization .................................................................7
Figure 6: PCB Via ..................................................................................................................................8
Figure 7: Multiple Via Connection of Thermal Pad .................................................................................9
Figure 8: VCO Tank Circuit Layout .......................................................................................................10
Figure 9: PLL Loop Filter.......................................................................................................................10
Figure 10: Semtech Loop Filter Configurations ....................................................................................11
Figure 11: TX Matching Network ..........................................................................................................12
Figure 12: Measurement of Optimum Load Impedance Presented to the Transmitter ........................13
Figure 13: Design of Pi-Section Filter ...................................................................................................14
Figure 14: Impedance Transformation..................................................................................................15
Figure 15: Optimized Matching Circuit..................................................................................................15
Figure 16: Transmitter Section PCB Layout .........................................................................................16
Figure 17: LNA Matching Network ........................................................................................................16
Figure 18: LNA PCB Layout..................................................................................................................17
Figure 19: Measurement and Optimization of the LNA Matching network ...........................................18
Figure 20: Optimized LNA Matching Network Input Reflection Coefficient ..........................................18
Figure 21: I and Q Channel Output Signals ..........................................................................................19
Figure 22: Equivalent Circuit of a Multilayer Ceramic Capacitor ..........................................................20
Figure 23: Inductor Equivalent Circuit...................................................................................................21
1.2 Index of Tables
Table 1: Optimum Transmitter Load Impedance ..................................................................................13
Table 2: Typical I, Q Signal Amplitudes ................................................................................................19
Table 3: Typical Decoupling Capacitor Values .....................................................................................20
Table 4: Typical Inductor Types............................................................................................................22
发表于 2010-1-26 00:34:37 | 显示全部楼层
感觉不够详细,虽然我想看看这方面的资料,谢了
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发表于 2010-1-26 11:09:01 | 显示全部楼层
下载看看  lz好人
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发表于 2010-1-26 11:31:03 | 显示全部楼层
全英文的...惭愧~
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发表于 2010-1-29 09:03:15 | 显示全部楼层
谢谢。。。。。。
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发表于 2010-2-2 09:08:37 | 显示全部楼层
有没有中文的
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发表于 2010-2-4 09:29:26 | 显示全部楼层
谢谢,支持!
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发表于 2010-2-5 15:15:09 | 显示全部楼层
无论怎样 先支持下
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发表于 2010-2-6 10:02:28 | 显示全部楼层
收藏了!![em01][em01][em01][em01]
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发表于 2010-3-1 23:24:40 | 显示全部楼层
貌似还可以[em04]
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发表于 2010-3-9 14:55:57 | 显示全部楼层
非常感谢啊~ 下载看看[em01]
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发表于 2010-3-9 15:01:44 | 显示全部楼层
怎么下不下来啊
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发表于 2010-3-17 14:14:39 | 显示全部楼层
[em08][em08][em08][em08][em08][em08][em08]非常感谢啊
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发表于 2010-4-7 19:27:21 | 显示全部楼层
多谢免费共享
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发表于 2010-4-7 20:21:35 | 显示全部楼层
谢谢楼主免费分享[em01]
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发表于 2010-4-8 09:04:11 | 显示全部楼层
谢谢!楼主的慷慨[em14][em14][em14][em14]
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发表于 2010-4-8 17:00:53 | 显示全部楼层
楼主好人[em06]
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发表于 2010-4-9 13:42:34 | 显示全部楼层
谢谢楼主分享
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发表于 2010-5-22 12:15:28 | 显示全部楼层
谢谢慷慨的楼主
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发表于 2011-12-8 19:11:36 | 显示全部楼层
伟大的共享精神[em06]
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