RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or
customerservice@rfmd.com.
DS140905
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
2 of 5
RFFM6909
Switch Control Truth Table
Operating Mode
TX-ANT1
TX-ANT2
RX-ANT1
RX-ANT2
All Off
Note:
*Switch Control Logic High=Min 3.1V to Max 3.8V
*Switch Control Logic Low= 0.0V to Max 0.2V
C_TX
1
1
0
0
0
C_RX
0
0
1
1
0
C_ANT
0
1
0
1
0
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or
customerservice@rfmd.com.
DS140905
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
3 of 5
RFFM6909
Pin Out
ASW_RX
BAL_IN
GND
GND
GND
1
18
17
16
15
14
GND
ANT2
2
13
TX
GND
3
12
RXp
ANT1
4
11
RXn
GND
5
6
C_ANT
7
C_TX
8
VCC
9
C_RX
10
GND
Package Outline and Branding Drawing
(Dimensions in millimeters)
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or
customerservice@rfmd.com.
DS140905
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
4 of 5
RFFM6909
Pin Names and Descriptions
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Name
GND
ANT2
GND
ANT1
GND
C_ANT
C_TX
VCC
C_RX
GND
RXN
RXP
TX
GND
BAL_IN
GND
ASW_RX
GND
Ground
Antenna 2 Connect Port
Ground
Antenna 1 Connect Port
Ground
Antenna Selection Control Line
Transmit Selection Control Line
Supply Voltage
Receive Selection Control Line
Ground
Receive Port Negative
Receive Port Positive
Transmit Port
Ground
Input to Balun
Ground
Antenna Switched Rx Output
Ground
Description
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or
customerservice@rfmd.com.
DS140905
The information in this publication is believed to be accurate. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents or other rights of
third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended
application circuitry and specifications at any time without prior notice.
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