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RF5745TR7 Datasheet(PDF) 9 Page - RF Micro Devices |
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RF5745TR7 Datasheet(HTML) 9 Page - RF Micro Devices |
9 / 11 page 9 of 11 RF5745 DS120214 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. RF5745 Biasing Instructions: • 802.11b/g and ZigBee® Transmit • Connect the FEM to a signal generator at the input and a spectrum analyzer at the output. •Bias VCC to 4.0V first with VREG=0.0V • Refer to switch operational truth table to set the control lines at the proper levels for WiFi TX. • Turn on VREG to 2.85V (typ.). VREG controls the current drawn by the 802.11b/g and ZigBee® power amplifier and the current should quickly rise to ~100mA±20mA for a typical part but it varies based on the output power desired. Be extremely careful not to exceed 3.4V on the VREG pin or the part may exceed device current limits. • 802.11 b/g and ZigBee® Receive • To Receive WiFi set the switch control lines per the truth table below. • BluetoothTM Receive • To Receive BluetoothTM set the switch control lines per the truth table below. Switch Control Logic *The FEM can simultaneously receive WiFi and BluetoothTM in the WiFi RX and BT RX Mode. Mode C_RX C_TX C_BT BluetoothTM LL H WiFi Tx L H L WiFi Rx H L L WiFi Rx/BT H L H |
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Similar Description - RF5745TR7 |
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