EVB71121 데이터 시트보기 (PDF) - Melexis Microelectronic Systems
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EVB71121 Datasheet PDF : 18 Pages
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1.4 Operating Modes
ENRX
0
1
Note: ENRX is pulled down internally.
EVB71121
300 to 930MHz Receiver
Evaluation Board Description
Description
Shutdown mode
Receive mode
1.5 Frequency Range
Two different receive frequency ranges can be selected by the control signal RFSEL.
RFSEL
Description
0
Input frequency range 300 to 470MHz
1
Input frequency range 610 to 930MHz
1.6 LNA Selection
PRELIMINARY LNASEL
Description
0
LNA1 active, LNA2 shutdown
Hi-Z
LNA1 and LNA2 active
1
LNA1 shutdown, LNA2 active
Note: Hi-Z state means pin LNASEL is left floating (pin is internally pulled to VCC/2 in this case).
1.7 Demodulation Selection
MODSEL
Description
0
ASK demodulation
1
FSK demodulation
1.8 Data Slicer
SLCSEL
0
1
Description
Averaging detection mode
Peak detection mode
39012 71121 01
Rev. 003
Page 5 of 18
EVB Description
Jan/08
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