AS3993 – AN13 – Received Signal Strength Indicator (RSSI)
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Revision 2.0 / 6/22/12
page 3/17
2. Key Features
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Interface
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Between the Controller and Host Computer: USB (optional UART)
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SPI between an off-board controller and the AS3993 via a low cost pin header
connection
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SMA (Female) connector for external antenna
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Special
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Antenna tuning circuit
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Antenna switch
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Enabled for onboard antenna
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5V power supply from USB.
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GUI
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Adjust Output Power
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Adjust Receive – Sensitivity
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Adapt to different frequency schemes (FCC ETSI)
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Change Gen2 specific parameters like BLF, Coding, Anti-Collision Slots, …
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Diagnostic Features: RSSI Measurement, Reflected Power Measurement
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Support for sending AS3993 related direct commands
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Advanced Tag Manipulations: R/W to different memory banks, define passwords
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Associate tags with other applications like media player
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View and easily manipulate register settings with advance tool tip text.
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Antenna selection
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Tuning circuit control
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Fully Gen 2 compliant, ISO 18000-6b & 6c
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Differential TX chip-output configuration
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Differential RX chip-input configuration
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Internal power amplifier with a maximum output power of 20 dBm
