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TQ3M31

更新时间： 2024-09-18 21:54:15
品牌 Logo 应用领域
TRIQUINT 过程控制系统PCS蜂窝
页数 文件大小 规格书
18页 383K
描述
Dual Band LNA: 2.8V, Cellular and PCS Band CDMA/AMPS LNA IC

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中文翻译

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TQ3M31 数据手册

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WIRELESS COMMUNICATIONS DIVISION  
PCS  
LNA  
GND  
VDD  
PCS  
MODE  
CTL  
GND  
15  
TQ3M31  
16  
14  
13  
DATA SHEET  
PCS  
LNA  
OUT  
PCS_LNA  
input  
1
2
3
4
12  
11  
10  
9
Dual Band LNA: 2.8V  
Cellular and PCS Band  
CDMA/AMPS LNA IC  
GND  
GND  
GND  
GND  
Cell  
LNA  
OUT  
Cell_LNA  
input  
Features  
5
6
7
8
ꢀ Small size: Leadless 3x3mm  
ꢀ Single 2.8V operation  
ꢀ Low-current operation  
ꢀ Gain Select  
Vdd  
Cell  
GND  
Cell  
LNA  
GND  
Gain  
CTL  
Product Description  
The TQ3M31 is a 2.8V, RF dual band LNA IC designed specifically for Cellular &PCS  
band CDMA/AMPS applications. It’s RF performance meets the requirements of  
products designed to the IS-95 and AMPS standards. The TQ3M31 is designed to  
be used with the TQ5131 (Cellular CDMA/AMPS mixer) and the TQ5631 (PCS  
CDMA mixer) which provides a complete Tri-Mode CDMA receiver for 800MHz dual-  
mode and 1900MHz phones.  
ꢀ Mode Select  
ꢀ High IP3 performance  
ꢀ Few external components  
The LNA incorporates on-chip switches which determine CDMA, AMPS, and bypass  
mode select. When used with the TQ5131 and TQ5631, four gain states are  
available in each band. The RF output port is internally matched to 50 Ω, greatly  
simplifying the design and keeping the number of external components to a  
minimum. The TQ3M31 achieves good RF performance with low current  
consumption, supporting long standby times in portable applications. Coupled with  
the very small MLF 3x3 package, the part is ideally suited for Cellular & PCS band  
mobile phones.  
Applications  
ꢀ IS-95 CDMA Mobile Phones  
Electrical Specifications1  
ꢀ AMPS Mobile Phones  
ꢀ Dual Mode CDMA Cellular applications  
ꢀ Dual Band CDMA Cellular & PCS  
ꢀ 832-870MHz CDMA applications  
ꢀ 1930-1990MHz CDMA applications  
Parameter  
Gain  
Min  
Typ  
13.0  
13.5  
1.4  
Max  
Units  
dB  
881MHz  
1960MHz  
881MHz  
1960MHz  
dB  
Noise Figure  
dB  
1.5  
dB  
Input 3rd Order Intercept 881MHz  
1960MHz  
12.5  
9.0  
dBm  
dBm  
mA  
mA  
DC supply Current  
881MHz  
10.0  
11.0  
1960MHz  
Note 1: Test Conditions: Vdd=2.8V, Tc=25C, CDMA High Gain state.  
For additional information and latest specifications, see our website: www.triquint.com  
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