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RFASWK119ATF09 Datasheet(PDF) 2 Page - WALSIN TECHNOLOGY CORPORATION

Part # RFASWK119ATF09
Description  Any 2G/3G/4G Band for TRx System
PDF  9 Pages
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Manufacturer  WALSIN [WALSIN TECHNOLOGY CORPORATION]
Direct Link  http://www.passivecomponent.com/
Logo WALSIN - WALSIN TECHNOLOGY CORPORATION

RFASWK119ATF09 Datasheet(HTML) 2 Page - WALSIN TECHNOLOGY CORPORATION

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Preliminary Product Information
Page 2 of 9
ASC_RFASWK119ATF09_V03
Jul. 2017
FEATURES
Low Insertion Loss and Low Distortion
：
Broadband frequency range
：0.4 to 2.7 GHz：
Low ON-state resistance and OFF-state capacitance
：
High power and peak voltage handling
：
Low control voltage
：1.2V to 2.8V
High ESD tolerance of 2kV HBM at all pins
：
Miniature footprint
：1.6 x 1.6 x 0.45 mm3
Moisture Sensitive Level 3 (MSL3)
Description
The RFASWK119ATF09 is a Single-Pole, Four-Throw (SP4T) switch designed for antenna tuning applications that require
very low RON and COFF. The RFASWK119ATF09 provides rugged power handling and simple 2-bit GPIO control. The EN pin
configures an
“all-off state” as well as low power mode.
The RFASWK119ATF09 features very low DC power consumption.
The RFASWK119ATF09 has ESD protection devices to achieve excellent ESD performances. No DC Blocking capacitors
are required for all RF ports unless DC is biased externally.
Application
Antenna Tuning
：
Band Switching
：
Impedance Tuning
：
Block Diagram and Pin Out (Top View
11
10
2
9
3
8
4
7
5
6
1
Pin Names and Descriptions
Pin
Name
Description
Pin
Name
Description
1
RF1
RF path 1
7
EN
Enable
2
RF2
RF path 2
8
GND
Ground
3
GND
Ground
9
RF4
RF path 4
4
VDD
DC power supply
10
RF3
RF path 3
5
VCTL1
DC control voltage 1
11
RFC
RF common port
6
VCTL2
DC control voltage 2
RF1
RF3
RFC
VDD VCTL1
Bias
Decoder
EN
RF2
RF4
VCTL2



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