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SI4133G-X2 PDF预览

SI4133G-X2

更新时间: 2024-11-18 22:13:23
品牌 Logo 应用领域
其他 - ETC GSM无线
页数 文件大小 规格书
32页 858K
描述
DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR GSM AND GPRS WIRELESS COMMUNICATIONS

SI4133G-X2 数据手册

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Si4133G-X2  
DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS  
FOR GSM AND GPRS WIRELESS COMMUNICATIONS  
Features  
Dual-Band RF Synthesizers Optimized for Use with Hitachi  
RF1: 900 MHz to 1.8 GHz  
RF2: 750 MHz to 1.5 GHz  
IF Synthesizer  
1070.4, 1080, and 1089.6 MHz  
Integrated VCOs, Loop Filters,  
Varactors, and Resonators  
Bright2+ Transceiver  
Settling Time < 150 µs  
Low Phase Noise  
Programmable Power Down  
Modes  
Si4133G-XT2  
1 µA Standby Current  
Ordering Information  
Minimal External Components 18 mA Typical Supply Current  
Required  
See page 27.  
2.7 V to 3.6 V Operation  
Packages: 24-Pin TSSOP and  
28-Pin MLP  
Pin Assignments  
Applications  
GSM900, DCS1800, and  
Si4133G-XT2  
GPRS Data Terminals  
SENB  
VDDI  
SCLK  
SDATA  
GNDR  
RFLD  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
PCS1900 Cellular Telephones HSCSD Data Terminals  
2
IFOUT  
GNDI  
3
Description  
4
The Si4133G-X2 is a monolithic integrated circuit that performs both IF and  
dual-band RF synthesis for GSM and GPRS wireless communications  
applications. The Si4133G-X2 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.  
IFLB  
RFLC  
5
IFLA  
GNDR  
RFLB  
6
GNDD  
VDDD  
GNDD  
XIN  
7
RFLA  
8
GNDR  
GNDR  
RFOUT  
VDDR  
9
10  
11  
12  
Functional Block Diagram  
PWDNB  
AUXOUT  
Reference  
Amplifier  
÷65  
XIN  
RFLA  
RFLB  
Phase  
Detector  
Power  
Down  
Control  
Si4133G-XM2  
RF1  
RF2  
IF  
PWDNB  
÷
N
RFOUT  
SDATA  
SCLK  
RFLC  
RFLD  
Serial  
Interface  
Phase  
Detector  
28  
27  
26  
25  
24  
23  
22  
1
2
3
4
5
6
7
21  
20  
19  
18  
17  
16  
15  
GNDR  
RFLD  
RFLC  
GNDR  
RFLB  
RFLA  
GNDR  
GNDI  
IFLB  
22-bit  
Data  
Register  
SENB  
÷N  
IFLA  
Test  
Mux  
Phase  
Detector  
GNDD  
VDDD  
GNDD  
XIN  
AUXOUT  
IFOUT  
IFLA  
IFLB  
÷N  
8
9
10  
11  
12  
13  
14  
Patents pending  
Rev. 0.9 8/00  
Copyright © 2000 by Silicon Laboratories  
Si4133GX2-DS09  
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.  

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