EVB71122 Datasheet, PDF (25/32 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

EVB71122
300 to 930MHz Receiver
Evaluation Board Description
4.2 Standard FSK & ASK circuit in 8-Channel Preconfigured (ABC) Mode
4.2.1 Averaging Data Slicer Configured for Bi-Phase Codes
DFO
12
XTAL
CX
DTAO
12
CB3
12 3 ^A
12 3 ^B
12 3 ^C
ENRX
12 3
PRELIMINARY 25 PDP
26 PDN
ENRX 16
LF 15
C8
C9
27 DFO
28 DF1
29 DF2
MLX71122
VCCVCO 14
TNK2 13
TNK1 12
L1
C1 C2
30 VEEANA
C3 _{31 LNAI}
32 SLC
VEEVCO ¹¹
RBIAS 10
MODSEL ₉
C10
12 3456 78
L3
C5 _C6
C7
C4
CB1
CF2
MODSEL
12 3
RF _CF1
L0
CB2
RBS
RSSI
12
CB0
GND VCC
12
Fig. 8: Application circuit for ABC Mode
Note
• ABC mode population can be easily modified from default SPI mode population by changing the con-
nection at SPISEL from VCC to ground.
39012 71122 01
Rev. 001
Page 25 of 32
EVB Description
Sept/06