TH71112 Datasheet, PDF (17/20 Pages) List of Unclassifed Manufacturers – 868/915MHz FSK/FM/ASK Receiver

TH71112
868/915MHz
FSK/FM/ASK Receiver
ASK test circuit component list to Fig. 5
Part Size Value / Type Tolerance
C1
0805
15 pF
±10%
C3
0805
1 nF
±10%
C4
0603
4.7 pF
±5%
C5
0603
2.7 pF
±5%
C6
0603
NIP
±5%
C7
0603
1.2 pF
±5%
C8
0805
22 pF
±5%
C9
0805
33 nF
±10%
C10
0603
1 nF
±10%
C11
0603
1 nF
±10%
C12
0805
1 nF to 10 nF
±10%
C13
0603
330 pF
±10%
R1
0805
10 kΩ
±10%
R3
0603
100 kΩ
±5%
L1
0603
12 nH
±5%
L2
0603
12 nH
±5%
L3
0603
6.8 nH
±5%
L4
0603
100 nH
±5%
L5
0603
100 nH
±5%
XTAL
HC49-
SMD
25.22353 MHz
@ RF = 868.3 MHz
±25ppm calibra-
tion
±30ppm temp.
SAWFIL QCC8C
CERFIL
leaded
type
SMD type
B3570
@ RF = 868.3 MHz
SFE10.7MFP
@ BIF2 = 40 kHz
SFECV10.7MJS-A
@ BIF2 = 150 kHz
B3dB = 1.7 MHz
TBD
±40 kHz
NIP – not in place, may be used optionally
Description
crystal series capacitor
loop filter capacitor
capacitor to match to SAW filter input
capacitor to match to SAW filter output
LNA output tank capacitor
MIX1 input matching capacitor
IF1 tank capacitor
IFA feedback capacitor
IFA feedback capacitor
IFA feedback capacitor
ASK data slicer capacitor, depending on data rate
RSSI output low-pass capacitor
loop filter resistor
ASK data slicer resistor, depending on data rate
inductor to match SAW filter
inductor to match SAW filter
LNA output tank inductor
IF1 tank inductor
IF1 tank inductor
fundamental-mode crystal, Cload = 10 pF to 15pF,
C0, max = 7 pF, Rm, max = 50 Ω
low-loss SAW filter from EPCOS
ceramic filter from Murata
TH71112 Data Sheet
3901071112
Page 17 of 20
Nov. 2001
Rev. 005