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PDF BGSF1717MN26 Data sheet ( Hoja de datos )

Número de pieza BGSF1717MN26
Descripción Antenna Switch Module
Fabricantes Infineon 
Logotipo Infineon Logotipo



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Antenna Switch Module: BGSF1717MN26
Antenna Switch Module with integrated
MIPI RFFE Interface, 2 GSMTX Ports for
multi-mode GSM/EDGE, WCDMA or LTE
Applications and Carrier Aggregation
SAppoliclautiotn iNootenAsN384
About this document
Scope and purpose
This application note describes Infineon’s Antenna Switch Module BGSF1717MN26 as main antenna switch
module for multi-mode GSM/EDGE, WCDMA or LTE Applications and Carrier Aggregation applications.
1. This application notes gives an overview about main purpose of this
SP7T Low Band + SP7T High Band Antenna Switch Module.
2. Multi-mode GSM/EDGE, WCDMA or LTE Applications and Carrier Aggregation are the primary
application of this document.
3. The Printed Circuit Board (PCB) design as well as antenna matching network proposed in this note
provides a customer oriented approach where a single ASM enables multi-mode GSM/EDGE, WCDMA
or LTE and Carrier Aggregation applications
4. Key performance parameters include higher Isolation between input channels (~32dB), integrated
SAW Filter for LB and HB GSM Tx inputs, very low IL of the TX channels (0.5dB), integration of SP7T
LB and SP7T HB in one module and an integrated MIPI RFFE Interface.
1 Revision 1.0, 2015-10-03

1 page




BGSF1717MN26 pdf
Antenna Switch Module with integrated MIPI RFFE Interface
Introduction of BGSF1717MN26
1 Introduction of BGSF1717MN26
For RF Front-End solutions that integrate new features such as downlink inter-band carrier aggregation to
increase Downlink data rates, Antenna Switch Modules (ASMs) are facing new challenges. Two RF signals
being transmitted in different frequency bands have to be routed from two different antennas one
dedicated for low frequency band and one for high frequency band - to the RF Transceiver at the same time.
For this kind of application, the new switch which combines two SP7T ICs and the MIPI control interface, the
so-called DP14T, have been introduced to the market.
The BGSF1717MN26 is a double Pole Fourteen Throw (DP14T / SP7T+SP7T) ASM optimized for wireless
applications up to 2.7 GHz. It is a perfect solution for multi-mode handsets based on quad-band GSM,
WCDMA, LTE and ideal for carrier aggregation solutions. TRX10 is designed to achieve ultra-high linearity.
The ASM configuration is shown in the Figure 2.
The module comes in a miniature TSNP package shown in the Figure 1 and comprises of two high power
SP7T switches with integrated MIPI RFFE interface and harmonic filters for GSM high and low band
transmitter signal paths. The on-chip MIPI RFFE interface supports both 1.2 V and 1.8 V supply voltages.
No external DC blocking capacitors are required in typical applications as long as no DC is applied to any RF
port. The pin assignment can be found in the Figure 3.
1.1 Main Features
• Suitable for multi-mode GSM / EDGE / C2K /
WCDMA / LTE applications and carrier
aggregation
Operating from 0.1 to 2.7 GHz coverage
Ultra-low insertion loss and harmonics
generation
Integrated GSM transmit filters
• 12 interchangeable, high-linearity WCDMA TRX
ports
• Port TRX10 designed for ultra-high linearity
• 2 high-linearity GSM TX paths
• High port-to-port isolation
• Integrated MIPI RFFE interface
No decoupling DC capacitors required, if no DC
applied on RF lines
Small form factor: 3.2 mm x 2.8 mm x 0.73 mm
Figure 1 BGSF1717MN26 package in TSNP-26-3
Application Note AN384
5
Revision 1.0, 2015-10-03

5 Page





BGSF1717MN26 arduino
Antenna Switch Module with integrated MIPI RFFE Interface
Application Circuit of BGSF1717MN26
3.2 Deembedding
The device (BGSF1717MN26) is deembedded from influence of the application circuit and coaxial
connectors by at first measuring a coaxial connector and a “half-board” micro strip line and then by loading
this data in the fixture simulator of the network analyzer. In the Figure 7 this deembedding concept is given.
The deembedding of this RF device is performed in several steps explained in the next subchapters.
Figure 7 Deembedding concept with a “prepared” SMA connector and a “Half-Thru” board
3.2.1 Port Extension
In order to shift the reference plane of the network analyzer to the PCB signal line connect a SMA connector
with a cut pin of the inner conductor to one port of the Vector Network Analyzer (VNA) and measure port
extensions at this port.
Figure 8 shows such a preparedSMA connector with an outer pin cut with a wire cutter.
Outer
conductor
pin is cut
Application Note AN384 11 Revision 1.0, 2015-10-03

11 Page







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