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AS3909 Fiches technique(PDF) 3 Page - ams AG

No de pièce AS3909
Description  13.56 MHz RFID Reader IC, ISO-14443 A/B
PDF  77 Pages
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Fabricant  AMSCO [ams AG]
Site Internet  http://www.ams.com
Logo AMSCO - ams AG

AS3909 Fiches technique(HTML) 3 Page - ams AG

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ams Datasheet, Confidential: 2013-Oct [3-02]
AS3909/AS3910 – 3
General Des c ripti o n
Applications
The AS3909/10 is ideal for applications where the reader
antenna is directly driven (no 50Ω cable). It also includes several
unique features, which make it especially suitable for low power
and battery powered applications.
Block Diagram
The functional blocks of this device for reference are
shown below:
Figure 3:
AS3909/10 HF RFID Reader IC Block Diagram
Note: The main differences between AS3909 and AS3910 are elaborated in sections General Description, Pin Assignments, Detailed
Description, Direct Commands, Clear and Active Receive – Use in ISO-14443B Anticollision.
Logic
XTO
XTI
RFO1
RFO2
RFI1
RFI2
SPI
FIFO
Bias
Transmitter
A/D Converter
Receiver
External Field
Detector
Regulators
FIFO
Control Logic
SPI Interface
Framing
Phase &
Amplitude
Detector
Oscillator
AS3909/10 HF RFID Reader IC Block Diagram



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