EVB71120-315-C(2015) Ver la hoja de datos (PDF) - Melexis Microelectronic Systems

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Fabricante

EVB71120-315-C
(Rev.:2015)

300 to 930MHz Receiver Evaluation Board Description

Melexis Microelectronic Systems  

EVB71120

300 to 930MHz Receiver

Evaluation Board Description

1.4 Operating Modes

ENRX

0

1

Note: ENRX is pulled down internally.

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

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 External IF2 Selection

IFSEL

0

1

Description

IF2 = 455 kHz

IF2 = 10.7 MHz

1.8 Demodulation Selection

MODSEL

0

1

Description

ASK demodulation

FSK demodulation

1.9 Data Slicer

SLCSEL

0

1

Description

Averaging detection mode

Peak detection mode

39012 71120 01

Rev. 006

Page 5 of 18

EVB Description

Nov/15

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