FM8648概述：
The FM8648 is a SOI SP4T switch suitable for GSM/LTE/UMTS/CDMA receiving applications.
The FM8648features very low insertion loss, high isolation and excellent linearity performance.
The FM8648has internal ESD protection devices to achieve excellent ESD performances. No DC Blocking capacitors are required for all RF ports unless DC is biased externally.
The FM8648features very low insertion loss, high isolation and excellent linearity performance.
The FM8648has internal ESD protection devices to achieve excellent ESD performances. No DC Blocking capacitors are required for all RF ports unless DC is biased externally.
The FM8648 SP4T switch is provided in a LGA 9-pin 1.1mm x 1.1mm x 0.5mm package.
The functional block diagram and the pin configuration are shown in Figure 1. Signal pin assignments and functional pin descriptions are provided in Table 1.
The functional block diagram and the pin configuration are shown in Figure 1. Signal pin assignments and functional pin descriptions are provided in Table 1.
FM8648特性：
Broadband frequency range: 0.4 to 2.7GHz
Excellent insertion loss: 0.75dB @2.7GHz
Input 0.1dB compression point: 32dBm
High ESD robustness
Small, LGA (9-pin, 1.1mm x 1.1mm x 0.5mm) package, MSL1
RoHS compliant package
FM8648应用：
2G/3G/4G TX applications
FM8648功能框图与引脚配置：
FM8648引脚说明：
|
No. |
Name |
Description |
No. |
Name |
Description |
|
1 |
VC1 |
Logic Control Voltage 1 |
6 |
RF4 |
RF Port4 |
|
2 |
RF2 |
RF Port2 |
7 |
VDD |
DC Power Supply Voltage |
|
3 |
RF1 |
RF Port1 |
8 |
VC2 |
Logic Control Voltage 2 |
|
4 |
ANT |
Antenna Port |
9 |
GND |
Ground |
|
5 |
RF3 |
RF Port3 |
|
|
|
FM8648应用电路：
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