EVB71120 Datasheet, PDF (14/18 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

EVB71120
300 to 930MHz Receiver
Evaluation Board Description
3.3 Component List for Dual-Channel Application
Below table is valid for test circuits shown in Figures 3.1 to 3.2.
Part Size
Value @
315 MHz
Value @ Value @
433.92 MHz 868.3 MHz
Value @
915 MHz
Tol.
Description
C3
C4
C5
C6
C7
C8
CB0
CB1
CB2
CB3
CF1
CF2
CF3
CIF
CP1
CP2
CRS
CRO
CSL
CX
L1
L2
L3
L4
RCL
SAW
FIL
CER
FIL
XTAL
0603
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
SMD
3x3
SMD
3.45x3.1
SMD
6.5x6.0
SMD
5x3.2
100 pF
100 pF
100 pF
100 pF
±5% LNA input filtering capacitor
4.7 pF
3.9 pF
2.2 pF
1.5 pF
±5% LNA output tank capacitor
100 pF
100 pF
100 pF
100 pF
±5% MIX1 positive input matching capacitor
100 pF
100 pF
100 pF
100 pF
±5% MIX1 negative input matching capacitor
NIP
NIP
3.9 pF
NIP
±5% matching capacitor
NIP
NIP
1.0 pF
NIP
±5% matching capacitor
33 nF
33 nF
33 nF
33 nF
±10% decoupling capacitor
330 pF
330 pF
330 pF
330 pF ±10% decoupling capacitor
330 pF
330 pF
330 pF
330 pF ±10% decoupling capacitor
330 pF
330 pF
330 pF
330 pF ±10% decoupling capacitor
680 pF
680 pF
680 pF
680 pF
±10%
data low-pass filter capacitor,
for data rate of 4 kbps NRZ
330 pF
330 pF
330 pF
330 pF
±10%
data low-pass filter capacitor,
for data rate of 4 kbps NRZ
value according to the data rate
connected to ground if noise filter not used
±10%
optional capacitor for noise cancellation
filter
PRELIMINARY ^{1 nF}
33 nF
1 nF
33 nF
1 nF
33 nF
1 nF
33 nF
33 nF
33 nF
33 nF
33 nF
1 nF
1 nF
1 nF
1 nF
1 nF
100 nF
27 pF
56 nH
27 nH
0Ω
56 nH
1 nF
1 nF
100 nF
100 nF
for averaging detection mode only
27 pF
27 pF
27 nH
0Ω
15 nH
3.9 nH
68 nH
22 nH
82 nH
22 nH
1 nF
100 nF
27 pF
0Ω
3.9 nH
0Ω
0Ω
±10%
±10%
±10%
±10%
IFA feedback capacitor
positive PKDET capacitor,
for data rate of 4 kbps NRZ
negative PKDET capacitor,
for data rate of 4 kbps NRZ
RSSI output low pass capacitor,
for data rate of 4 kbps NRZ
±5%
optional capacitor,
to couple external RO signal
±10%
data slicer capacitor,
for data rate of 4 kbps NRZ
±5% crystal series capacitor
±5% matching inductor
±5% LNA output tank inductor
±5% matching inductor
±5% matching inductor
3.3 kΩ
3.3 kΩ
3.3 kΩ
3.3 kΩ
±5%
optional CLK output resistor,
to clock output signal generated
SAFDC315M
SM0T00
(315 MHz)
SAFCC433M
BL0X00
(433.92 MHz)
SAFCC868M SAFCC915M
SL0X00
AL0N00
(868.3 MHz) (915 MHz)
low-loss SAW filter from Murata
or equivalent part
18.094444
MHz
17.525278
MHz
SFECF10M7HA00
B_3dB = 180 kHz
CFUKG455KD4A
B_6dB = 20 kHz
24.701111
MHz
24.416667
MHz
24.132083
MHz
25.713889
MHz
25.429306
MHz
IF2=10.7MHz _{ceramic filter}
from Murata,
IF2=455kHz ^{or equivalent part}
IF2=10.7MHz _{fundamental-mode}
crystal from Telcona,
IF2=455kHz ^{or equivalent part}
±20ppm cal., ±30ppm temp.
Note: NIP – not in place, may be used optionally
39012 71120 01
Rev. 003
Page 14 of 18
EVB Description
Jan/08