EVB71112 Melexis Company, EVB71112 Datasheet - Page 7

• Manufacturer Part Number: EVB71112
• Description: Evaluation Board For Th71112
• Manufacturer: Melexis Company

2.1.2
39012 71112 01
Rev. 012
CB1 to CB5
CB7 to CB8
SAWFIL
CERDIS
CERFIL
C_RO
Part
XTAL
C10
C11
C12
C15
C16
C17
CB6
C1
C3
C4
C5
C7
C8
C9
R1
R2
R4
R5
L1
L2
L3
L4
L5
Board Component Values for FSK
3.45x3.1
3.8x3.8
Size
6x3.5
HC49
4.5x2
0805
0603
0603
0603
0603
0603
0603
0603
0603
0805
0805
0805
0805
0603
0805
0603
0603
0603
0805
0805
0603
0603
0603
0805
0805
SMD
SMD
SMD
SMD
SMD
SMD
3x3
SAFCC868MSL0X00
@ RF = 868.3 MHz
@ 868.3 MHz
(f
25.22353 MHz
0
=868.3 MHz)
Value
330 kΩ
220 kΩ
100 nH
100 nH
100 pF
330 pF
330 pF
4,7 pF
2.7 pF
1.0 pF
1.5 nF
10 kΩ
330 Ω
22 nH
22 nH
10 nH
22 pF
22 pF
33 nF
10 pF
10 nF
33 nF
1 nF
1 nF
1 nF
CDSCB10M7GA135
SFECF10M7HA00
SAFCH915MAL0N00
@ RF = 915 MHz
@ 915 MHz
26.59706 MHz
(f
0
= 915 MHz)
0.68 pF
Value
100 nH
100 nH
100 pF
330 pF
330 pF
330 kΩ
220 kΩ
1.5 nF
10 kΩ
330 Ω
10 nH
22 pF
22 pF
33 nF
10 pF
10 nF
33 nF
1 nF
1 nF
1 nF
NIP
NIP
0 Ω
0 Ω
Page 7 of 14
B
±30ppm temp.
B
Tolerance
B
±25ppm cal.
3dB
3dB
3dB
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
= 180 kHz
= 40 MHz
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
±5%
= 2 MHz
Evaluation Board Description
crystal series capacitor
loop filter capacitor
capacitor to match SAW filter input
capacitor to match SAW filter output
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 < 20 kbps NRZ,
for higher data rates decrease the value
RSSI output low-pass capacitor
data slicer capacitor,
this value for data rates > 0.8 kbps NRZ,
for lower data rates increase the value
de-coupling capacitor
de-coupling capacitor
optional capacitor,
to couple external RO signal
loop filter resistor
optional CERFIL output matching resistor
data slicer resistor
loading resistor
SAW filter matching inductor
from Würth-Elektronik (WE-KI series),
or equivalent part
LNA output tank inductor from Würth-Elek-
tronik (WE-KI series), or equivalent part
IF1 tank inductor from Würth-Elektronik
(WE-KI series), or equivalent part
fundamental-mode crystal from
Telcona/Horizon (HEX22 series)
or equivalent part
fundamental-mode crystal, C
to 15 pF, C
low-loss SAW filter from Murata
or equivalent part
ceramic filter from Murata,
or equivalent part
ceramic discriminator from Murata,
or equivalent part
868/915MHz Receiver
0, max
EVB71112
Description
= 7 pF, R
EVB Description
1, max
load
= 50 Ωl
= 10 pF
April/08