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TQ3131 Datasheet

  • TQ3131

  • 3V Cellular Band CDMA/AMPS LNA IC

  • 16頁

  • TRIQUINT

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WIRELESS COMMUNICATIONS DIVISION
TQ3131
C2
Control
Logic
C2
L1
DATA SHEET
VDD
GND
GND
3V Cellular Band
CDMA/AMPS LNA IC
RF
IN
RF 50 ohm
OUT RF Out
Control
Logic
GND
C3
Features
Small size: SOT23-8
Single 3V operation
Low-current operation
Product Description
The TQ3131 is a 3V, RF LNA IC designed specifically for Cellular band CDMA/AMPS
applications. It鈥檚 RF performance meets the requirements of products designed to
the IS-95 and AMPS standards. The TQ3131 is designed to be used with the
TQ5131 (CDMA/AMPS mixer) which provides a complete CDMA receiver for
800MHz dual-mode phones.
The LNA incorporates on-chip switches which determine CDMA, AMPS, and bypass
mode select. When used with the TQ5131 (CDMA RFA/mixer), four gain states are
available. The RF output port is internally matched to 50
鈩?/div>
, greatly simplifying the
design and keeping the number of external components to a minimum. The TQ3131
achieves good RF performance with low current consumption, supporting long
standby times in portable applications. Coupled with the very small SOT23-8
package, the part is ideally suited for Cellular band mobile phones.
Electrical Specifications
1
Parameter
Frequency
Gain
Noise Figure
Input 3
rd
Order Intercept
DC supply Current
Min
832
13.0
1.4
10.0
10.5
Typ
Max
894
Units
MHz
dB
dB
dBm
mA
Gain Select
Mode Select
High IP3 performance
Few external components
Applications
IS-95 CDMA Mobile Phones
AMPS Mobile Phones
Dual Mode CDMA Cellular applications
832-870MHz CDMA applications
Note 1: Test Conditions: Vdd=2.8V, Tc=25C, RF frequency=881MHz, CDMA High Gain state.
For additional information and latest specifications, see our website:
www.triquint.com
1

TQ3131相關(guān)型號PDF文件下載

  • 型號
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    下載
  • 英文版
    3V Cellular Band CDMA/AMPS LNA IC
    TRIQUINT
  • 英文版
    3V Cellular Band CDMA/AMPS LNA IC
    TRIQUINT [...
  • 英文版
    Low Current, 3V Cellular Band CDMA/AMPS LNA IC
    TRIQUINT
  • 英文版
    Low Current, 3V Cellular Band CDMA/AMPS LNA IC
    TRIQUINT [...

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