mlx90121 Melexis Company, mlx90121 Datasheet - Page 17

• Manufacturer Part Number: mlx90121
• Description: 13.56mhz Rfid Transceiver
• Manufacturer: Melexis Company

Example in ISO1569-Dual Sub-carrier
Data Slicer
LTC is an internal signal which controls the time constant of the comparator. This signal is switched to
ensure a proper decoding in ASK modes in order to improve the reading performances.
LTC is controlled according to the following parameters in the LTC register:
Recommended delay for ISO standard
3901090121
Rev. 007
LTCEn: it enables the LTC circuit.
LTCDelay: delay to switch the time constant (see next table).
RSSI
LTC
LTCDelay
Delay
Input Signal
MV start
DOUT
CK
Page 17 of 26
13.56MHz RFID Transceiver
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MLX90121
Data Sheet
Jan-2008