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RFFM8550TR7 Datasheet(PDF) 8 Page - RF Micro Devices |
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RFFM8550TR7 Datasheet(HTML) 8 Page - RF Micro Devices |
8 / 8 page RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS150128 For sales or technical support, contact RFMD at +1.336.678.5570 or customerservice@rfmd.com. 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. 8 of 8 RFFM8550 Pin Names and Descriptions Pin Name Description 1 ANT RF bidirectional antenna port matched to 50Ω. An external DC block is required. 2 VRX Receive switch control pin. See switch truth table for proper voltage level. 3 VTX Control voltage for the TX switch. See truth table for proper voltage level. 4 VDD Supply voltage for the LNA. See applications schematic for bypassing components. 5 LNAEN Control voltage for the LNA. When this pin is set to a LOW logic state, the bypass mode is enabled. 6 RX RF output port for the 802.11a/n/ac LNA. This port is matched to 50Ω and DC blocked internally 7 N/C This pin is not connected internally and can be left floating or connected to ground. 8 TX RF input port for the TX throw of the T/R switch. An external DC block is required Pkg Base GND Ground connection. The backside of the package should be connected to the ground plane through a short path, i.e., PCB vias under the device are recommended. |
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