RFFM5541 Datasheet, PDF (7/7 Pages) RF Micro Devices – 4.9GHz to 5.85GHz Switch and LNA Front End Solution

RFFM5541
PROPOSED
Pin Names and Descriptions
Pin
Name
Description
1
GND
Ground.
2
ANT
This is the common port (antenna). Matched to 50Ω. External DC blocking capacitor required.
3
GND
Ground.
4
LNA_EN
LNA Enable/Bypass Enable control pin. See switch truth table for proper settings.
5
GND
Ground.
6
VDD
Supply voltage to the LNA.
7
NC
No Board Connection Allowed.
8
RX_OUT
Receive port for 802.11a/n band. RX output includes integrated DC-block and 50Ω match.
9
NC
No Board Connection Allowed.
10
GND
Ground.
11
TX_IN
Transmit port for 802.11a/n band. Matched to 50Ω. External DC blocking capacitor required.
12
C_TX/RX
Transmit and receive mode control pin. See switch truth table for proper settings.
RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421
For sales or technical support, contact RFMD at +1.336.678.5570 or [e-mail].
DS131219
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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