EVB71121
300 to 930MHz Receiver
Evaluation Board Description
3.3
Component List for Antenna Space Diversity
Value @
315 MHz
100 pF
4.7 pF
100 pF
100 pF
NIP
NIP
33 nF
330 pF
330 pF
330 pF
680 pF
330 pF
Below table is for all application circuits shown in Figures 3.1 and 3.2
Part
C3
C4
C5
C6
C7
C8
CB0
CB1
CB2
CB3
CF1
CF2
CF3
CP1
CP2
CRS
CRO
CSL
CX
L1
L2
L3
L4
RCL
SAW
FIL
XTAL
Size
0603
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0603
0603
Value @
Value @
433.92 MHz 868.3 MHz
100 pF
3.9 pF
100 pF
100 pF
NIP
NIP
33 nF
330 pF
330 pF
330 pF
680 pF
330 pF
100 pF
2.2 pF
100 pF
100 pF
3.9 pF
1.0 pF
33 nF
330 pF
330 pF
330 pF
680 pF
330 pF
Value @
915 MHz
100 pF
1.5 pF
100 pF
100 pF
NIP
NIP
33 nF
330 pF
330 pF
330 pF
680 pF
330 pF
Tol.
±5%
±5%
±5%
±5%
±5%
±5%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Description
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 capacitance for noise filter
PKDET positive filtering capacitor,
for data rate of 4 kbps NRZ
PKDET negative filtering capacitor,
for data rate of 4 kbps NRZ
value according to the date rate
connected to ground if noise filter not used
33 nF
33 nF
1 nF
33 nF
33 nF
33 nF
1 nF
33 nF
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
SMD
3x3
SMD
5x3.2
1 nF
100 nF
27 pF
56 nH
27 nH
0
Ω
56 nH
3.3 kΩ
SAFDC315M
SM0T00
(315 MHz)
17.60000
MHz
Y
R
A
IN
IM
L
E
R
P
33 nF F
1 nF
33 nF
1 nF
±10%
±10%
±5%
1 nF
1 nF
1 nF
optional capacitor,
to couple external RO signal
data slicer capacitor,
for data rate of 4 kbps NRZ
crystal series capacitor
matching inductor
matching inductor
100 nF
27 pF
100 nF
27 pF
0
Ω
100 nF
27 pF
0
Ω
for averaging detection mode only
27 nH
15 nH
82 nH
±10%
±5%
±5%
±5%
3.9 nH
22 nH
22 nH
3.9 nH
0
Ω
0
Ω
±5%
±5%
LNA output tank inductor
matching inductor
68 nH
3.3 kΩ
3.3 kΩ
3.3 kΩ
±5%
SAFCC433M
BL0X00
(433.92 MHz)
24.206667
MHz
SAFCC868M
SL0X00
(868.3 MHz)
24.169444
MHz
SAFCC915M
AL0N00
(915 MHz)
25.46667
MHz
±20ppm
cal.,
±30ppm
temp.
±10%
RSSI output low pass capacitor,
for data rate of 4 kbps NRZ
optional CLK output resistor,
to clock output signal generated
low-loss SAW filter from Murata
or equivalent part
fundamental-mode crystal
Note:
NIP – not in place, may be used optionally
39012 71121 01
Rev. 003
Page 13 of 18
EVB Description
Jan/08
MELEXIS [ Melexis Microelectronic Systems ]
