Advance Data Sheet
December 1999
W3020 GSM Multiband RF Transceiver
Features
n
n
Applications
n
2.7 V operation, low power consumption
Integrated receive, transmit, and synthesizer
functions
IF frequency and transmit offset frequency
generated from the same LO
Integrated dual LNAs and mixers
Minimizes PCB design work between systems
Surface-mount, 64-pin TQFPT package
GSM1800/1900
GSM dual-band hand portables:
鈥?/div>
GSM900/1800
鈥?/div>
GSM900/1900
GSM single-band hand portables:
鈥?/div>
GSM900
鈥?/div>
GSM1800
鈥?/div>
GSM1900
n
n
n
n
n
ADC
IF
270 MHz
RX I
桅
GSM900
SAW
VCO
900: 1150 MHz鈥?230 MHz
1800: 1530 MHz鈥?610 MHz
1900: 1660 MHz鈥?730 MHz
梅
2
ADC
RX Q
900: 925 MHz鈥?60 MHz
1800: 1805 MHz鈥?880 MHz
1900: 1930 MHz鈥?990 MHz
RF MODE
& AGC
CONTROL
LO2 PLL
540 MHz VCO
W3000
FREQUENCY
SYNTHESIZER
900: 880 MHz鈥?15 MHz
1800: 1710 MHz鈥?785 MHz
1900: 1850 MHz鈥?910 MHz
GSM1800/1900
TX IF
1800/1900: 180 MHz
DAC
TX I
危
PA
GSM900
Note: shaded area is off-chip.
900: 270 MHz
桅
梅
2
梅
3
SWITCHED DIVIDER
DAC
TX Q
Figure 1. W3020 Circuit Block Diagram
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W3020 產(chǎn)品屬性
3,000
RF/IF 和 RFID
RF 天線
-
芯片
1
2.5GHz ~ 2.69GHz
-
2.8dBi
表面貼裝型
表面貼裝
0.04"(1.1mm)
帶卷 (TR)
W3020相關(guān)型號PDF文件下載
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