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TH71102
315/433MHz
FSK/ASK Receiver
4.2.2
Narrow Band FSK Component List
Part
C1
C3
C6
C7
C8
C9
C10
C11
C12
C15
Size
0805
0603
0603
0603
0603
0603
0603
0603
0805
0805
Value
@ 433.92 MHz
27 pF
1 nF
4.7 pF
2.2 pF
27 pF
33 nF
1 nF
1 nF
1.5 pF
220 pF
Tolerance
± 5%
± 10%
± 5%
± 5%
± 5%
± 10%
± 10%
± 10%
± 5%
± 5%
Description
crystal series capacitor
loop filter capacitor
LNA output tank capacitor
MIX1 input matching capacitor
IF1 tank capacitor
IFA feedback capacitor
IFA feedback capacitor
IFA feedback capacitor
DEMOD phase-shift capacitor
demodulator output low-pass capacitor,
this value for data rates < 10 kbps NRZ
C16
C17
CP
R1
R2
R4
L1
L2
L3
0805
0805
0603
0603
0805
0805
0603
0603
0603
1.5 nF
10 nF
6.8 - 8.2 pF
10 k ?
330 ?
330 k ?
68 nH
82 nH
15 nH
± 10%
± 10%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
± 5%
RSSI output low-pass capacitor
data slicer capacitor, this value for data rates > 0.8 kbps NRZ
ceramic resonator loading capacitor
loop filter resistor
optional CERFIL output matching resistor
data slicer resistor
SAW filter matching inductor from Würth-Elektronik
(WE-KI series), or equivalent part
LNA output tank inductor from Würth-Elektronik (WE-KI series),
or equivalent part
L4
L5
XTAL
SAWFIL
0805
0805
SMD
6x3.5
SMD
100 nH
100 nH
23.51222 MHz
@ RF = 433.92 MHz
SAFCC433MBL0X00
± 5%
± 5%
± 25ppm cal.
± 30ppm temp.
B 3dB = 840 kHz
IF1 tank inductor from Würth-Elektronik (WE-KI series)
or equivalent part
fundamental-mode crystal from
Telcona/Horizon or equivalent part
low-loss SAW filter from Murata, or equivalent part
3x3
(f 0 = 433.92 MHz)
CERFIL
CERDIS
Leaded
type
SMD
SFKLA10M7NL00
SFVLA10M7LF00
CDSCB10M7GA135
B 3dB = 30 kHz
B 3dB = 80 kHz
ceramic filter from Murata, or equivalent part
optional, ceramic filter from Murata, or equivalent part
ceramic discriminator from Murata, or equivalent part
4.5x2
? For component values for other frequencies, please refer to the EVB descriptions
39010 71102
Rev. 015
Page 16 of 21
Data Sheet
Jun/12
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