TH71101
315/433MHz
FSK/ASK Receiver
39010 71101 Page 15 of 21 Data Sheet
Rev. 018 Jun/13
4.2.2 Narrow Band FSK Component List
Part Size
Value
@ 433.92 MHz
Tolerance Description
C1 0805 27 pF
±
5%
crystal series capacitor
C3 0603 1 nF
±
10%
loop filter capacitor
C6 0603 4.7 pF
±
5%
LNA output tank capacitor
C7 0603 2.2 pF
±
5%
MIX1 input matching capacitor
C9 0603 33 nF
±
10%
IFA feedback capacitor
C10 0603 1 nF
±
10%
IFA feedback capacitor
C11 0603 1 nF
±
10%
IFA feedback capacitor
C12 0805 1.5 pF
±
5%
DEMOD phase-shift capacitor
C15 0805 220 pF
±
5%
demodulator output low-pass capacitor,
this value for data rates < 10 kbps NRZ
C16 0805 1.5 nF
±
10%
RSSI output low-pass capacitor
C17 0805 10 nF
±
10%
data slicer capacitor, this value for data rates > 0.8 kbps NRZ
CP 0603 6.8 - 8.2 pF
±
5%
ceramic resonator loading capacitor
R1 0603
10 k
Ω
±
5%
loop filter resistor
R2 0603
330
Ω
±
5%
optional CERFIL output matching resistor
R4 0805
330 k
Ω
±
5%
data slicer resistor
RL1 0805
470
Ω
±
5%
MIX1 bias resistor
RL2 0805
470
Ω
±
5%
MIX1 bias resistor
L1 0603 68 nH
±
5%
L2 0603 82 nH
±
5%
SAW filter matching inductor from Würth-Elektronik
(WE-KI series), or equivalent part
L3 0603 15 nH
±
5%
LNA output tank inductor from Würth-Elektronik (WE-KI series),
or equivalent part
XTAL
SMD
6x3.5
26.45125 MHz
@ RF = 433.92 MHz
±
25ppm cal.
±
30ppm temp.
fundamental-mode crystal from
Telcona/Horizon or equivalent part
SAWFIL
SMD
3x3
SAFCC433MBL0X00
(f
0
= 433.92 MHz)
B
3dB
= 840 kHz low-loss SAW filter from Murata, or equivalent part
SFKLA10M7NL00 B
3dB
= 30 kHz ceramic filter from Murata, or equivalent part
CERFIL
Leaded
type
SFVLA10M7LF00 B
3dB
= 80 kHz optional, ceramic filter from Murata, or equivalent part
CERDIS SMD
4.5x2
CDSCB10M7GA135 ceramic discriminator from Murata, or equivalent part
• For component values for other frequencies, please refer to the EVB descriptions
