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PA2423U-EK1 Datasheet(PDF) 2 Page - SiGe Semiconductor, Inc. |
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PA2423U-EK1 Datasheet(HTML) 2 Page - SiGe Semiconductor, Inc. |
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2 / 8 page 
PA2423U-EK1 RangeCharger TM 2.4 GHz BluetoothTM Power Amplifier Evaluation Kit 131-DST-02 Rev 1.3 Apr-19-2006 Confidential 2 of 8 QA041906 Evaluation Board Schematic Figure 2: PA2423U Evaluation Board Schematic Diagram Please Note: The RFOUT connector forms part of the output match of the power amplifier. Pin Pin Number Description Recommended setting VCC 1 Supply Voltage Connect to system supply voltage GND 2 Ground Connect to system ground VCC 3 Supply Voltage Use this VCC to connect to VCTL signal with a shorting link VCTL 4 Power and Gain Control Voltage Connect to 3.3 V (VCC) for maximum gain and power output. For power control connect to a variable voltage source between 0 V and 3.3 V. GND 5 Ground Provided as a ground connection for the VCTL signal VCC 6 Supply Voltage Use this VCC to connect to VRAMP signal with a shorting link VRAMP 7 PA Enable Pin 0 V – 1.5 V applied = Device Disabled 2 V – VCC applied = Device Enabled GND 8 Ground Provided as a ground connection for the VRAMP signal Table 1: Power and Analog I/O Header (JP3) Note: It is recommended to use proper engineering connection practices by making RF and digital connections prior to turning on the power supply. |
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