th71102 Melexis Company, th71102 Datasheet - Page 15
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th71102
Manufacturer Part Number
th71102
Description
Receiver - 315/433mhz Fsk/ask, Double-conversion Superhet Lqfp32
Manufacturer
Melexis Company
Datasheet
1.TH71102.pdf
(20 pages)
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4.2.2
39010 71102
Rev. 014
SAWFIL
CERDIS
CERFIL
XTAL
Part
C10
C11
C12
C15
C16
C17
CP
C1
C3
C6
C7
C8
C9
R1
R2
R4
L1
L2
L3
L4
L5
Narrow Band FSK Component List
• For component values for other frequencies, please refer to the EVB descriptions
Leaded
Size
6x3.5
4.5x2
0805
0603
0603
0603
0603
0603
0603
0603
0805
0805
0805
0805
0603
0603
0805
0805
0603
0603
0603
0805
0805
SMD
SMD
SMD
type
3x3
SAFCC433MBL0X00
@ RF = 433.92 MHz
CDSCB10M7GA135
@ 433.92 MHz
SFKLA10M7NL00
SFVLA10M7LF00
(f
0
23.51222 MHz
= 433.92 MHz)
6.8 - 8.2 pF
Value
330 kΩ
100 nH
100 nH
220 pF
4.7 pF
2.2 pF
1.5 pF
1.5 nF
330 Ω
27 pF
27 pF
33 nF
10 nF
10 kΩ
68 nH
82 nH
15 nH
1 nF
1 nF
1 nF
±30ppm temp.
B
B
Tolerance
B
±25ppm cal.
3dB
3dB
3dB
±10%
±10%
±10%
±10%
±10%
±10%
= 840 kHz
= 30 kHz
= 80 kHz
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
Page 15 of 22
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
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
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
ceramic filter from Murata, or equivalent part
optional, ceramic filter from Murata, or equivalent part
ceramic discriminator from Murata, or equivalent part
Description
FSK/ASK Receiver
TH71102
315/433MHz
Data Sheet
April/08