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參數(shù)資料
| 型號： | TQ3M31 |
| 廠商： | TRIQUINT SEMICONDUCTOR INC |
| 元件分類： | 衰減器 |
| 英文描述： | Dual Band LNA: 2.8V, Cellular and PCS Band CDMA/AMPS LNA IC |
| 中文描述： | 832 MHz - 894 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 3 X 3 MM, LEAD LESS, MLF-16 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 381K |
| 代理商： | TQ3M31 |
WIRELESS COMMUNICATIONS DIVISION
For additional information and latest specifications, see our website:
www.triquint.com
1
TQ3M31
DATA SHEET
Dual Band LNA: 2.8V
Cellular and PCS Band
CDMA/AMPS LNA IC
Features
Small size: Leadless 3x3mm
Single 2.8V operation
Low-current operation
Gain Select
Mode Select
High IP3 performance
Few external components
Applications
IS-95 CDMA Mobile Phones
AMPS Mobile Phones
Dual Mode CDMA Cellular applications
Dual Band CDMA Cellular & PCS
832-870MHz CDMA applications
1930-1990MHz CDMA applications
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 mxer) and the TQ5631 (PCS
CDMA mxer) which provides a complete Tri-Mode CDMA receiver for 800MHz dual-
mode and 1900MHz phones.
The LNA incorporates on-chip switches which determne 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
, greatly
simplifying the design and keeping the number of external components to a
mnimum 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.
Electrical Specifications
1
Parameter
Mn
Typ
Max
Units
Gain 881MHz
1960MHz
13.0
13.5
dB
dB
Noise Figure 881MHz
1960MHz
1.4
1.5
dB
dB
Input 3
rd
Order Intercept 881MHz
1960MHz
12.5
9.0
dBm
dBm
DC supply Current 881MHz
1960MHz
10.0
11.0
mA
mA
Note 1: Test Conditions: Vdd=2.8V, Tc=25C, CDMA High Gain state.
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
Cell_LNA
input
PCS_LNA
input
Cell
LNA
GND
GND
Vdd
Cell
Gain
CTL
Cell
LNA
OUT
GND
GND
PCS
LNA
OUT
PCS
LNA
GND
VDD
PCS
GND
MODE
CTL
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