FM8648MM概述：
The FM8648M is a CMOS silicon-on-insulator (SOI), SP4T transmitting and receiving switch. The high linearity performance and low insertion loss makes the device an ideal choice for GSM/WCDMA/LTE handset and data card applications.
The FM8648M is compatible with MIPI RFFE V2.1 control, which is a key requirement for many cellular transceivers. This part is packaged in a compact 1.1mm x 1.1mm x 0.5mm LGA package, which allows for a small solution size with no need for external DC blocking capacitors (when no external DC is applied to the device ports).
FM8648MM特性：
Broadband frequency range: 0.4 to 6.0GHz
Only one supply voltage needed
MIPI RFFE V2.1 compatible Interface
Compact 1.1mm x 1.1mm x 0.5mm LGA-9 package, MSL3
Only one supply voltage needed
MIPI RFFE V2.1 compatible Interface
Compact 1.1mm x 1.1mm x 0.5mm LGA-9 package, MSL3
FM8648MM应用：
2G/3G/4G/5G antenna TRX switch
FM8648M功能框图及引脚配置：
FM8648M引脚说明：
|
No. |
Name |
Description |
No. |
Name |
Description |
|
1 |
VIO |
Supply Voltage |
6 |
RF3 |
RF Port3 |
|
2 |
RF4 |
RF Port4 |
7 |
SDATA |
RFFE Data Bus |
|
3 |
RF2 |
RF Port2 |
8 |
SCLK |
RFFE Clock Bus |
|
4 |
ANT |
Antenna Port |
9 |
GND |
Ground |
|
5 |
RF1 |
RF Port1 |
|
|
|
FM8648M应用电路：
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