TH71101 Datasheet, PDF (12/22 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver

4 Test Circuits
4.1 Standard FSK Reception
4.1.1 Standard FSK Application Circuit
TH71101
315/433MHz
FSK/FM/ASK Receiver
OUTP
RSSI FSK output
C15
C16
C17
R5
R4
VCC
CERDIS
XTAL
25 VEE
C1
26 RO
VCC
27 VCC
ENRX
R1
28 ENRX
C3
29 LF
30 VEE
16
C12
OUT_IFA 15
TH71101
VCC 14
FBC2 13
FBC1 12
IN_IFA 11
VCC
C11
C9
R2 ^C10
31 IN_LNA
VEE 10
32 VCC
L2
VCC
OUT_MIX2 9
123 456 78
CERFIL
64
C7
1 3 ^SAWFIL
L1
50
RF input
L3
C6
CB*
VCC
* each Vcc pin with blocking cap of 330pF
* one global Vcc blocking cap of 33nF
Fig. 2: Test circuit for FSK reception
Circuit Features
• Tolerates input frequency variations
• Well-suited for NRZ, Manchester and similar codes
39010 71101
Rev. 014
Page 12 of 22
Data Sheet
June/07