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RF6525 Datasheet(PDF) 7 Page - RF Micro Devices

Part # RF6525
Description  3.0V TO 4.2V, 2.4GHz FRONT END MODULE
PDF  11 Pages
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Manufacturer  RFMD [RF Micro Devices]
Direct Link  http://www.rfmd.com
Logo RFMD - RF Micro Devices

RF6525 Datasheet(HTML) 7 Page - RF Micro Devices

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RF6525
DS111110
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
RF6525 Biasing Instructions
TX Mode
• With the RF source disabled, apply 3.3V to VCC with other control set to 0V
• Set VTX=High, keeping VRX and LNA_MODE at 0V
• Apply 0V to ANT_SEL to select the ANT1 port, or 2.8V to select the ANT2 port
•VCC current should rise to 70mA to 80mA quiescent current
• Enable the RF source; VCC current should rise to a maximum of 200mA depending on output power
RX LNA Mode
• With the RF source disables, apply 3.3V to VCC with other controls set to 0V
• Set VRX=High to RX Enable and LNA_MODE, keeping TX at 0V
• Apply 0V to ANT_SEL to select the ANT1 port, or 2.8V to select the ANT2 port
•VCC current should rise to 7mA to 8mA
• Enable the RF source; VCC current may increase a few mA depending on output power
RX Bypass Mode
• With the RF source disabled, apply 3.3V to VCC with other controls set to 0V
• Set VRX=High, keeping TX and LNA_MODE at 0V
• Apply 0V to ANT_SEL to select the ANT1 port, or 2.8V to select the ANT2 port
•VCC current should be in the uA range
• Enable the RF source; VCC current should remain in the uA range
Logic Table
Mode
TX_EN
RX_EN
LNA_MODE
ANT_SEL
TX-ANT1
HIGH
LOW
LOW
LOW
TX_ANT2
HIGH
LOW
LOW
HIGH
RX-ANT1 LNA
LOW
HIGH
HIGH
LOW
RX-ANT1 BYP
LOW
HIGH
LOW
LOW
RX-ANT2LNA
LOW
HIGH
HIGH
HIGH
RX-ANT2 BYP
LOW
HIGH
LOW
HIGH
All OFF
LOW
LOW
LOW
LOW
Operating currents at nominal conditions



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