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RFFM8209SR Datasheet(PDF) 10 Page - RF Micro Devices |
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RFFM8209SR Datasheet(HTML) 10 Page - RF Micro Devices |
10 / 10 page RF Micro Devices Inc. 7628 Thorndike Road, Greensboro, NC 27409-9421 DS140421 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. 10 of 10 RFFM8209 Pin Names and Descriptions Pin Name Description 1 RX RF output port for the 802.11b/g/n LNA. Port is matched to 50 Ω. This pin is DC blocked internally. 2 GND This pin is not connected internally and can be left floating or connected to ground. 3 PA_EN Bias voltage for the PA. This is a high impedance pin and it also controls the TX switch of the SP3T. See truth table for proper settings. 4 TX RF input port for the 802.11b/g/n PA. Input is matched to 50 Ω. This pin is DC blocked internally. 5 VCC Supply voltage for the first stage of the Pa. See applications schematic for biasing and bypassing components. 6 VCC Supply voltage for the output stage of the PA. See applications schematic for biasing and bypassing components. 7 GND This pin is not connected internally and can be left floating or connected to ground. 8 PDET Power detector voltage for the TX path. May need external series R/Shunt C to adjust voltage level and to filter RF noise. 9 ANT RF bidirectional antenna port matched to 50Ω. An external DC block is required. 10 GND This pin is not connected internally and can be left floating or connected to ground. 11 C_RX Receive switch control pin. See switch truth table for proper level. 12 C_BT Bluetooth® switch control pin. See switch truth table for proper level. 13 GND This pin is not connected internally and can be left floating or connected to ground. 14 BT RF bidirectional port for Bluetooth®. Input is matched to 50 Ω. An external DC block is required. 15 VCC Supply voltage for the LNA. See applications schematic for biasing and bypassing components. 16 LNA_EN Control voltage for the LNA. See applications schematic for biasing and bypassing components. 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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