AS3993-DK FERMI ams, AS3993-DK FERMI Datasheet - Page 12

• Manufacturer Part Number: AS3993-DK FERMI
• Description: RFID Transponder Tools AS3993 Demo Board Fermi
• Manufacturer: ams

Specifications of AS3993-DK FERMI

• Rohs: yes
• Product: RFID Readers
• Description/function: Demonstration Reader
• Frequency: 20 MHz
• Interface Type: SPI, USB
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 5 V
• Tool Is For Evaluation Of: AS3993
• For Use With: AS3993 UHF RFID Reader IC

AS3993 – AN13 – Received Signal Strength Indicator (RSSI)
6.3 Reader Part – Schematics
Reader Section:
Figure 7 - Schematic Reader Section
Loop Filter:
Figure 8 - Schematic Loop Filter
The loop filter used for the PLL is partly inside the reader IC. The external part is shown above.
The loop filter values are provided by ams. Other values are possible and are mentioned in a
separate application note.
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Revision 2.0 / 6/22/12
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