TH71111 Datasheet, PDF (17/22 Pages) Melexis Microelectronic Systems – 868/915MHz FSK/FM/ASK Receiver

TH71111
868/915MHz
FSK/FM/ASK Receiver
4.3.2 FM Component List
Part
C1
C3
C4
C5
C7
C9
C10
C11
C12
C14
Size
0805
0805
0603
0603
0603
0805
0603
0603
0805
0805
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 pF
1 nF
C15
0805
1 nF
C16
0603
C17
0805
C18
0805
CP
0805
R1
0805
R2
0603
R3
0805
R4
0603
R5
0805
RL1
0805
RL2
0805
L1
0603
L2
0603
L3
0603
1.5 nF
10 nF
33 nF
10 pF
10 kΩ
330 Ω
100 kΩ
680 kΩ
680 kΩ
470 Ω
470 Ω
22 nH
22 nH
10 nH
VD
XTAL
SAWFIL
CERFIL
CERDIS
SOD-323
SMD
6x3.5
SMD
3x3
SMD
3.45x3.1
SMD
4.5x2
BB535
26.80000 MHz
@ RF = 868.3 MHz
SAFCC868MSL0X00
(f₀ =868.3 MHz)
SFECF10M7HA00
CDSCB10M7GA135
Tolerance
±5%
±10%
±5%
±5%
±5%
±10%
±10%
±10%
±5%
±5%
±5%
±10%
±10%
±10%
±5%
±5%
±5%
±10%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±25ppm cal.
±30ppm temp.
B_3dB = 2 MHz
B_3dB = 180 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
DEMOD phase-shift capacitor
demodulator output low-pass capacitor,
this value for 0.5 to 2 kHz
demodulator output low-pass capacitor
this value for 0.5 to 2 kHz
RSSI output low-pass capacitor
integrator capacitor
integrator capacitor, this value for 0.5 to 2 kHz
ceramic resonator loading capacitor
loop filter resistor
optional CERFIL output matching resistor
varactor diode biasing resistor
integrator resistor
integrator 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
varactor diode from Infineon
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
ceramic discriminator from Murata, or equivalent part
• For component values for other frequencies, please refer to the EVB descriptions
39010 71111
Rev. 013
Page 17 of 22
Data Sheet
June/07