TH71112 Datasheet, PDF (11/20 Pages) List of Unclassifed Manufacturers – 868/915MHz FSK/FM/ASK Receiver

TH71112
868/915MHz
FSK/FM/ASK Receiver
FSK test circuit component list to Fig. 2
Part
C1
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
CP
C14
Size
0805
0805
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0805
0805
Value / Type
15 pF
1 nF
4.7 pF
2.7 pF
NIP
1.2 pF
22 pF
33 nF
1 nF
1 nF
1.5 pF
680 pF
10 - 12 pF
10 – 47 pF
Tolerance
±10%
±10%
±5%
±5%
±5%
±5%
±5%
±10%
±10%
±10%
±5%
±10%
±5%
±5%
C15
0805
10 – 47 pF
±5%
C16
R1
L1
L2
L3
L4
L5
XTAL
0603
0805
0603
0603
0603
0805
0805
HC49-
SMD
330 pF
10 kΩ
12 nH
12 nH
6.8 nH
100 nH
100 nH
25.22353 MHz
@ RF = 868.3 MHz
SAWFIL
CERFIL
CERRES
QCC8C
leaded
type
SMD type
SMD type
B3570
@ RF = 868.3 MHz
SFE10.7MFP
@ BIF2 = 40 kHz
SFECV10.7MJS-A
@ BIF2 = 150 kHz
CDACV10.7MG18-A
±10%
±10%
±5%
±5%
±5%
±5%
±5%
±25ppm calibra-
tion
±30ppm temp.
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
DEMOD phase-shift capacitor
DEMOD coupling capacitor
CERRES parallel capacitor
demodulator output low-pass capacitor, depending on
data rate
demodulator output low-pass capacitor, depending on
data rate
RSSI output low-pass capacitor
loop filter resistor
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
ceramic demodulator tank from Murata
TH71112 Data Sheet
3901071112
Page 11 of 20
Nov. 2001
Rev. 005