EVB71120_15 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
4.7 pF
100 pF
100 pF
NIP
NIP
330 nF
330 pF
330 pF
330 pF
680 pF
100 pF
3.9 pF
100 pF
100 pF
4.7 pF
NIP
330 nF
330 pF
330 pF
330 pF
680 pF
100 pF
2.2 pF
100 pF
100 pF
3.9 pF
1.0 pF
330 nF
330 pF
330 pF
330 pF
680 pF
100 pF
1.5 pF
100 pF
100 pF
NIP
NIP
330 nF
330 pF
330 pF
330 pF
680 pF
330 pF
330 pF
330 pF
330 pF
value according to the data rate
connected to ground if noise filter not used
1 nF
1 nF
1 nF
1 nF
33 nF
33 nF
33 nF
33 nF
33 nF
33 nF
33 nF
33 nF
1 nF
1 nF
1 nF
1 nF
1 nF
1 nF
1 nF
1 nF
100 nF
27 pF
56 nH
27 nH
0
56 nH
100 nF
100 nF
for averaging detection mode only
27 pF
27 pF
27 nH
0
15 nH
3.9 nH
47 nH
22 nH
68 nH
22 nH
100 nF
27 pF
0
3.9 nH
0
0
3.3 k
3.3 k
3.3 k
3.3 k
SAFDC315M
SM0T00
(315 MHz)
RF3446
(433.92 MHz)
SAFCC868M SAFCC915M
SL0X00
AL0N00
(868.3 MHz) (915 MHz)
18.094444
MHz
SFECF10M7HA00
B3dB = 180 kHz
CFUKG455KD4A
B6dB = 20 kHz
24.701111
MHz
24.416667
MHz
25.713889
MHz
HEX24-
18.094444M
HZ-12-50-F-
H20-T2075-
W2-T
HEX24-
24.701111MHZ
-12-50-F-H20-
T2075-W2-T
HEX24-
24.416667MH
Z-12-50-F-
H20-T2075-
W2-T
HEX24-
25.713889M
HZ-12-50-F-
H20-T2075-
W2-T
17.525278
MHz
24.132083
MHz
25.429306
MHz
20ppm cal., 30ppm temp.
5%
5%
5%
5%
5%
5%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
10%
5%
10%
5%
5%
5%
5%
5%
5%
LNA input filtering capacitor
LNA output tank capacitor
MIX1 positive input matching capacitor
MIX1 negative input matching capacitor
matching capacitor
matching capacitor
decoupling capacitor
decoupling capacitor
decoupling capacitor
decoupling capacitor
data low-pass filter capacitor,
for data rate of 4 kbps NRZ
data low-pass filter capacitor,
for data rate of 4 kbps NRZ
optional capacitor for noise cancellation
filter
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
optional capacitor,
to couple external RO signal
data slicer capacitor,
for data rate of 4 kbps NRZ
crystal series capacitor
matching inductor
LNA output tank inductor
matching inductor
matching inductor
optional CLK output resistor,
to clock output signal generated
low-loss SAW filter from Murata
or equivalent part
IF2=10.7MHz _{ceramic filter}
from Murata,
IF2=455kHz ^{or equivalent part}
IF2=10.7MHz
crystal from Telcona,
or equivalent part
IF2=455kHz
Note: NIP – not in place, may be used optionally
39012 71120 01
Rev. 006
Page 14 of 18
EVB Description
Nov/15