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RFFM4591SR Datasheet(PDF) 5 Page - RF Micro Devices |
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RFFM4591SR Datasheet(HTML) 5 Page - RF Micro Devices |
5 / 8 page 5 of 8 RFFM4591 DS130510 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or customerservice@rfmd.com. Logic Control Table Mode PA_EN LNA_EN C_RX Standby Low Low Low 802.11a/n/ac Tx High Low Low 802.11a/n/ac Rx Gain Low High High 802.11a/n/ac Rx Bypass Low Low High Note: High = 2.8V to VCC, Low = 0V to 0.2V Pin Names and Descriptions Pin Name Description 1GND Ground connection. 2RX RF output port for the 802.11a/n/ac LNA. Input is matched to 50 Ω and DC block is provided internally. 3GND Ground connection. 4VDD Supply voltage for the LNA. See applications schematic for biasing and bypassing components. 5PDET Power detector voltage for Tx section. PDET voltage varies with output power. May need external capacitor for noise decoupling. 6PA_EN Control voltage for the PA and Tx switch. See truth table for proper settings. 7NC Not Connected. This Pin is not internally connected so customer has the choice to leave it NC or ground it. 8TX RF input port for the 802.11a/n/ac PA. Input is matched to 50 Ω and DC block is provided internally. 9NC Not Connected. This Pin is not internally connected so customer has the choice to leave it NC or ground it. 10 VCC Supply voltage for the PA. See applications schematic for biasing and bypassing components. 11 VCC Supply voltage for the PA. See applications schematic for biasing and bypassing components. 12 GND Ground connection. 13 ANT RF bidirectional antenna port matched to 50 Ω and DC block is provided internally. 14 GND Ground connection. 15 C_RX Receive switch control pin. See switch truth table for proper level. 16 LNA_EN Control voltage for the LNA. When this pin is set to a LOW logic state, the bypass mode is enabled. Pkg Base GND Ground connection. |
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