EVB71111 Просмотр технического описания (PDF) - Melexis Microelectronic Systems
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EVB71111 Datasheet PDF : 14 Pages
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2 Application Circuits
2.1 FSK Application Circuit
2.1.1 Circuit Diagram for FSK Reception
EVB71111
868/915MHz Receiver
Evaluation Board Description
12
12
1 2 FSK output
GND
RO
VCC
ENRX
GND
IN_LNA
L1
C4
C15
C16
C17
XTAL
C1
VCC C_RO
CB2
R1
C3
16
SAWFIL
34
L2
C5
R5
R4
CB3
VCC
CERDIS
25 VEE
26 RO
27 VCC
28 ENRX
29 LF
30 VEE
31 IN_LNA
32 VCC
CB1 1
TH71111
16
C12
OUT_IFA 15
VCC
VCC 14
FBC2 13
FBC1 12
IN_IFA 11
CB4 C11
C9
R2 C10
VEE 10
OUT_MIX2 9
CERFIL
234 56 78
C7
CB5
L3
CB8
VCC
CB6
CB7
GND
VCC
Circuit Features
• Tolerates input frequency variations
• Well-suited for NRZ, Manchester and similar codes
39012 71111 01
Rev. 011
Page 6 of 14
EVB Description
June/07
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