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參數(shù)資料
| 型號(hào)： | Si4112G-BM |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | DUAL-BAND RF SYNTHESIZER WITH INTEGRATED VCOS FOR GSM AND GPRS WIRELESS COMMUNICATIONS |
| 中文描述： | 雙波段射頻合成器集成的GSM和GPRS無(wú)線通訊和VCO |
| 文件頁(yè)數(shù)： | 1/32頁(yè) |
| 文件大?。?/td> | 466K |
| 代理商： | SI4112G-BM |
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Rev. 1.1 4/01
Copyright 2001 by Silicon Laboratories
Si4133G-DS11
Si4133G
Si4123G/22G/13G/12G
D
UAL
-B
AND
RF S
YNTHESIZER
W
ITH
I
NTEGRATED
VCO
S
F
OR
GSM
AND
GPRS W
IRELESS
C
OMMUNICATIONS
Features
Applications
Description
The Si4133G is a monolithic integrated circuit that performs both IF and
dual-band RF synthesis for GSM and GPRS wireless communications
applications. The Si4133G 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.
Functional Block Diagram
!
Dual-Band RF Synthesizers
"
RF1: 900 MHz to 1.8 GHz
"
RF2: 750 MHz to 1.5 GHz
IF Synthesizer
"
IF: 500 MHz to 1000 MHz
Integrated VCOs, Loop Filters,
Varactors, and Resonators
Minimal External Components
Required
!
!
!
!
!
!
!
!
!
!
Fast Settling Time: 140
μ
s
Low Phase Noise
Programmable Power Down Modes
1 μA Standby Current
18 mA Typical Supply Current
2.7 V to 3.6 V Operation
Packages: 24-Pin TSSOP and
28-Pin MLP
!
GSM, DCS1800, and PCS1900
Cellular Telephones
!
!
GPRS Data Terminals
HSCSD Data Terminals
IFOUT
IFLA
IFLB
RFLC
RFLD
RFLA
RFLB
RFOUT
XIN
PWDNB
SDATA
SCLK
SENB
IF
RF2
RF1
÷
65
AUXOUT
÷
N
÷
N
÷
N
Phase
Detector
Phase
Detector
Phase
Detector
22-bit
Data
Register
Serial
Interface
Power
Down
Control
Reference
Amplifier
Test
Mux
Patents pending
Ordering Information:
See page 28.
Pin Assignments
Si4133G-BT
Si4133G-BM
S4133G-BT
SCLK
SDATA
GNDR
RFLD
RFLC
GNDR
RFLB
RFLA
GNDR
GNDR
RFOUT
VDDR
SENB
VDDI
IFOUT
GNDI
IFLB
IFLA
GNDD
VDDD
GNDD
XIN
PWDNB
AUXOUT
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
4
5
6
7
1
2
3
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
GNDI
IFLB
IFLA
GNDD
VDDD
GNDD
XIN
G
S
S
S
V
I
G
GNDR
RFLD
RFLC
GNDR
RFLB
RFLA
GNDR
G
G
R
V
A
P
G
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