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參數(shù)資料
| 型號： | RF3110PCBA |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | TRIPLE-BAND GSM/DCS/PCS POWER AMP MODULE |
| 中文描述： | 三頻的GSM / DCS / PCS的功率放大器模塊 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 198K |
| 代理商： | RF3110PCBA |
Preliminary
2-265
RF3110
Rev A0 010921
2
P
Pin
1
2
Function
DCS IN
BAND
SELECT
TX ENABLE
Description
RF input to the DCS band. This is a 50
input.
Allows external control to select the GSM or DCS band with a logic high
or low. A logic low enables the GSM band whereas a logic high enables
the DCS band.
This signal enables the PA module for operation with a logic high. Once
TX Enable is asserted the RF output level will increase to 0dBm.
Power supply for the module. This should be connected to the battery.
Interface Schematic
3
4
5
6
VBATT
VREG
VRAMP
Regulated voltage input for power control function. (2.8V nom)
Ramping signal from DAC. A simple RC filter may need to be con-
nected between the DAC output and the VRAMP input depending on
the baseband selected. The ramping profiles shown later in the data
sheet are recommended profiles for meeting the GSM specification for
burst timing and transient spectrum.
RF input to the GSM band. This is a 50
input.
Controlled voltage input to driver stage for GSM bands. This voltage is
part of the power control function for the module. This node must be
connected to V
CC
out.
RF output for the GSM band. This is a 50
output. The output load line
matching is contained internal to the package.
Controlled voltage output to feed V
CC2
. This voltage is part of the
power control function for the module. It can not be connected to any-
thing other than V
CC2
, nor can any component be placed on this node
(i.e. decoupling capacitor).
RF output for the DCS band. This is a 50
output. The output load line
matching is contained internal to the package.
Controlled voltage input to DCS driver stage. This voltage is part of the
power control function for the module. This node must be connected to
V
CC
out
7
8
GSM IN
VCC2
9
GSM OUT
10
VCC OUT
11
DCS OUT
12
VCC2
Pkg
Base
GND
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