TH71111 Datasheet, PDF (19/22 Pages) Melexis Microelectronic Systems – 868/915MHz FSK/FM/ASK Receiver

TH71111
868/915MHz
FSK/FM/ASK Receiver
4.4.2 ASK Component List
Part
C1
C3
C4
C5
C7
C9
C10
C11
C16
Size
0805
0805
0603
0603
0603
0805
0603
0603
0603
Value
@ 868.3 MHz
22 pF
1 nF
4.7 pF
2.7 pF
1.0 pF
33 nF
1 nF
1 nF
1.5 nF
C17
0805
10 nF
R1
0805
R2
0603
R4
0603
RL1
0805
RL2
0805
L1
0603
L2
0603
L3
0603
10 kΩ
330 Ω
330 kΩ
470 Ω
470 Ω
22 nH
22 nH
10 nH
XTAL
SAWFIL
CERFIL
SMD
6x3.5
SMD
3x3
SMD
3.45x3.1
Leaded
type
26.80000 MHz
@ RF = 868.3 MHz
SAFCC868MSL0X00
(f₀ =868.3 MHz)
SFECF10M7HA00
SFVLA10M7LF00
Tolerance
±5%
±10%
±5%
±5%
±5%
±10%
±10%
±10%
±10%
±10%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±25ppm cal.
±30ppm temp.
B_3dB = 2 MHz
B_3dB = 180 kHz
B_3dB = 80 kHz
Description
crystal series capacitor
loop filter capacitor
capacitor to match SAW filter input
capacitor to match SAW filter output
MIX1 input matching capacitor
IFA feedback capacitor
IFA feedback capacitor
IFA feedback capacitor
RSSI output low-pass capacitor,
this value for data rates < 10 kbps NRZ,
for higher data rates decrease the value
data slicer capacitor,
this value for data rates > 0.8 kbps NRZ,
for lower data rates increase the value
loop filter resistor
optional CERFIL output matching resistor
data slicer resistor
MIX1 bias resistor
MIX1 bias 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
fundamental-mode crystal from
Telcona/Horizon or equivalent par
low-loss SAW filter from Murata, or equivalent part
ceramic filter from Murata, or equivalent part
optional, ceramic filter from Murata, or equivalent part
• For component values for other frequencies, please refer to the EVB descriptions
39010 71111
Rev. 013
Page 19 of 22
Data Sheet
June/07