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PDF SKY13414-485LF Data sheet ( Hoja de datos )
| Número de pieza | SKY13414-485LF | |
| Descripción | 0.1 to 3.8 GHz SP4T Antenna Switch | |
| Fabricantes | Skyworks Solutions | |
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DATA SHEET
SKY13414-485LF: 0.1 to 3.8 GHz SP4T Antenna Switch
Applications
Any 2G/3G/4G antenna diversity or LTE (TDD/FDD)
transmit/receive system for which GSM transmit is not required
Features
Broadband frequency range: 0.1 to 3.8 GHz
Low insertion loss: 0.45 dB typical @ 2.7 GHz
High isolation: >31 dB @ 2.7 GHz
Internal 50 Ω port to control diversity antenna impedance when
device is not in use
Integrated logic
Small QFN (14-pin, 2.0 x 2.0 mm) package
(MSL1, 260 C per JEDEC J-STD-020)
RF1
RF2
RF3 ANT
RF4
50 Ω
Bias Decoder
Skyworks Green™ products are compliant with
all applicable legislation and are halogen-free.
For additional information, refer to Skyworks
Definition of Green™, document number
SQ04-0074.
Figure 1. SKY13414-485LF Block Diagram
Description
The SKY13414-485LF is a single pole, four-throw (SP4T) antenna
switch with an internal 50 Ω termination. The high-linearity
performance and low insertion loss achieved by the
SKY13414-485LF make it an ideal choice for main/diversity
switching commonly used in LTE-based handsets, data cards,
and tablets that use antenna diversity solutions.
The SKY13414-485LF is part of a scalable family of products that
covers SP4T through SP8T switches that allow up to eight bands
of WCDMA/LTE:
SKY13414-485LF SP4T Antenna Switch (this Data Sheet)
SKY13415-485LF SP5T Antenna Switch (Data Sheet #201704)
SKY13416-485LF SP6T Antenna Switch (Data Sheet #201679)
SKY13417-485LF SP7T Antenna Switch (Data Sheet #201661)
SKY13418-485LF SP8T Antenna Switch (Data Sheet #201712)
The symmetric port designs provide flexibility in signal routing for
both receive diversity and higher power TD-SCDMA/TDD-LTE,
WCDMA/FDD, and LTE transmit/receive applications.
Switching is controlled by three CMOS/TTL-compatible control
voltage inputs (V1, V2, and V3). Depending on the logic voltage
level applied to the control pins, the ANT pin is connected to one
of four switched RF outputs (RF1 to RF4) using a low insertion
loss path, while the paths between the ANT pin and the other RF
pins are in a high isolation state. The antenna path can also be
closed on a 50 Ω load when it needs to be terminated. The 50 Ω
load is internally grounded. No external blocking capacitors are
required on the RF paths unless VDC is externally applied.
The SKY13414-485LF is manufactured in a compact, 14-pin
2.0 x 2.0 mm, Quad Flat No-Lead (QFN) package.
A functional block diagram is shown in Figure 1. The pin
configuration and package are shown in Figure 2. Signal pin
assignments and functional pin descriptions are provided in
Table 1.
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201689J • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 23, 2016
1
1 page  
DATA SHEET • SKY13414-485LF: SP4T ANTENNA SWITCH
Table 4. SKY13414-485LF Control Logic1
Control Pins
Switched RF Outputs
V1
(Pin 7)
V2
(Pin 6)
V3
(Pin 5)
RF1
(Pin 3)
RF2
(Pin 9)
RF3
(Pin 2)
RF4
(Pin 10)
0
0
0
Insertion Loss Isolation
Isolation
Isolation
0
0
1
Isolation
Insertion Loss Isolation
Isolation
0
1
0
Isolation
Isolation
Insertion Loss Isolation
0
1
1
Isolation
Isolation
Isolation
Insertion Loss
1
0
0
Isolation
Isolation
Isolation
Isolation
1
0
1
Isolation
Isolation
Isolation
Isolation
1 1 1 Shutdown mode
1 “High” = 1.8 V; “Low” = 0 V. Any state other than that described in this table places the switch into an undefined state. An undefined state will not damage the device.
50 Ω
Isolation
Isolation
Isolation
Isolation
Isolation
50 Ω
Table 5. Isolation Matrix (1 of 2)
“On” Port
Antenna-to-Port
RF1
RF1
RF1
RF1
RF2
RF2
RF2
RF2
RF3
RF3
RF3
RF3
RF4
RF4
RF4
RF4
Frequency
(GHz)
1.0
2.0
2.7
3.8
1.0
2.0
2.7
3.8
1.0
2.0
2.7
3.8
1.0
2.0
2.7
3.8
RF1
–
–
–
–
–46
–38
–35
–30
–38
–30
–27
–23
–45
–38
–34
–30
Isolation
(dB)
RF2 RF3
–47 –40
–39 –31
–36 –27
–31 –22
– –40
– –34
– –31
– –26
–46 –
–39 –
–36 –
–31 –
–38 –41
–31 –34
–28 –31
–24 –26
RF4
–42
–35
–32
–27
–40
–32
–28
–23
–42
–35
–32
–27
–
–
–
–
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201689J • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 17, 2016
5
5 Page 
DATA SHEET • SKY13414-485LF: SP4T ANTENNA SWITCH
Ordering Information
Model Name
SKY13414-485LF: 0.1 to 3.8 GHz SP4T Antenna Switch
Manufacturing Part Number
SKY13414-485LF
Evaluation Board Part Number
SKY13414-485LF-EVB
Copyright © 2011-2016 Skyworks Solutions, Inc. All Rights Reserved.
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Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • [email protected] • www.skyworksinc.com
201689J • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • November 17, 2016
11
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