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WS7808QD Arkusz danych(PDF) 1 Page - Will Semiconductor Ltd.

Numer części WS7808QD
Szczegółowy opis  0.1GHz ??3GHz DP8T Diversity Receive Antenna Switch
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Producent  WILLSEMI [Will Semiconductor Ltd.]
Strona internetowa  http://www.willsemi.com/index.php?siteid=2
Logo WILLSEMI - Will Semiconductor Ltd.

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WS7808QD
Will Semiconductor Ltd.
1
Oct. 2017_V1.0
WS7808QD
0.1GHz
– 3GHz DP8T Diversity Receive
Antenna Switch
Descriptions
The WS7808QD is a dual single-pole, four-throw
(2xSP4T) with Mobile Industry Processor Interface
(MIPI) controlled antenna switch designed specifically
for receive diversity in carrier aggregation applications.
The device is optimized for broadband performance.
Using
advanced
switching
technologies,
the
WS7808QD maintains low insertion loss and high
isolation for all switching paths. The high linearity
performance and low insertion loss achieved by the
WS7808QD makes it an ideal choice for carrier
aggregation applications in both main and diversity
antenna switching. The switch also exhibits excellent
second/third
order
intermodulation
distortion
(IMD2/IMD3) performance.
Switching is controlled by an integrated MIPI decoder.
The two switches can be configured independently.
There are separate registers for each SP4T. No
external DC blocking capacitors are required on the RF
paths if no DC voltage is applied to those paths.
The WS7808QD is manufactured in a compact, 2.0 x
2.4 x 0.55 mm, 18-pin surface-mount Quad Flat
No-Lead (QFN) package.
Features
Working frequency up to 3 GHz
Single, positive DC power supply (2.4 to 3.1 V)
Integrated programmable MIPI interface using
separate registers for ANT_A and ANT_B bands
Dual antenna ports can be connected externally
to a diplexer
Small QFN (18-pin, 2.0 x 2.4 x 0.55 mm) package
Applications
Cell phones
Tablets
Other RF front-end modules
http//:www.sh-willsemi.com
QFN2.0x2.4-18L(Bottom view)
1
2
3
4
14
13
12
11
10
9
8
5
6
7
VDD
RFA1
RFA3
NC
VIO
SDATA
SCLK
RFA2
RFA4
NC
ANT_B
15
16
17
18
ANT_A
RFB1
RFB2
RFB3
RFB4
NC
NC
Pin configuration (Top view)
C*
C
= Device code
*
= Month code(A~Z)
Marking (Top view)
Order information
Device
Package
Shipping
WS7808QD-18/TR
QFN 2.0x2.4-18Q
3000/Reel &Tape


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