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SI4122-BT

更新时间： 2024-09-25 22:21:51
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其他 - ETC 光电二极管无线通信
页数 文件大小 规格书
34页 689K
描述
DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR WIRELESS COMMUNICATIONS

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中文翻译

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SI4122-BT 数据手册

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Si4133  
Si4123/22/13/12  
DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS  
FOR WIRELESS COMMUNICATIONS  
Features  
ꢀ
Dual-Band RF Synthesizers ꢀ Low Phase Noise  
Si4133-BT  
ꢁ RF1: 900 MHz to 1.8 GHz  
ꢁ RF2: 750 MHz to 1.5 GHz  
IF Synthesizer  
ꢀ
ꢀ
ꢀ
ꢀ
Programmable Power Down Modes  
1 µA Standby Current  
18 mA Typical Supply Current  
2.7 V to 3.6 V Operation  
ꢀ
ꢀ
ꢀ
ꢁ IF: 62.5 MHz to 1000 MHz  
Integrated VCOs, Loop Filters, ꢀ Packages: 24-Pin TSSOP, 28-Lead  
Varactors, and Resonators  
Minimal (2) External  
Ordering Information:  
MLP  
See page 31.  
Components Required  
Applications  
Pin Assignments  
ꢀ
ꢀ
Dual-Band Communications ꢀ Digital Cordless Phones  
Digital Cellular Telephones Analog Cordless Phones  
GSM, DCS1800, PCS1900 ꢀ Wireless LAN and WAN  
Si4133-BT  
ꢀ
SCLK  
SDATA  
GNDR  
RFLD  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
SENB  
VDDI  
IFOUT  
GNDI  
Description  
3
4
The Si4133 is a monolithic integrated circuit that performs both IF and dual-  
band RF synthesis for wireless communications applications. The Si4133  
includes three VCOs, loop filters, reference and VCO dividers, and phase  
detectors. Divider and power-down settings are programmable through a  
three-wire serial interface.  
RFLC  
5
IFLB  
GNDR  
6
IFLA  
RFLB  
RFLA  
7
GNDD  
VDDD  
8
9
GNDR  
GNDR  
RFOUT  
VDDR  
GNDD  
XIN  
Functional Block Diagram  
10  
11  
12  
PWDNB  
AUXOUT  
Reference  
Amplifier  
XIN  
RFLA  
RFLB  
÷ R  
÷ R  
÷ R  
Phase  
Detector  
RF1  
RF2  
IF  
Power  
Down  
Control  
Si4133-BM  
PW DNB  
RFOUT  
÷ N  
÷ N  
÷ N  
SDATA  
SCLK  
RFLC  
RFLD  
Serial  
Interface  
Phase  
Detector  
28 27 26 25 24 23  
22  
22-bit  
Data  
Register  
1
2
3
4
5
6
7
21  
20  
19  
18  
17  
16  
15  
GNDR  
RFLD  
RFLC  
GNDR  
RFLB  
RFLA  
GNDR  
GNDI  
IFLB  
SENB  
IFLA  
Test  
Mux  
Phase  
AUXOUT  
IFDIV  
IFOUT  
Detector  
GNDD  
VDDD  
GNDD  
XIN  
IFLA  
IFLB  
8
9
10 11 12 13 14  
Patents pending  
Rev. 1.1 3/01  
Copyright © 2001 by Silicon Laboratories  
Si4133-DS11  
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.  
1234567...34

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