EVB71122
300 to 930MHz Receiver
Evaluation Board Description
4.1.5
Board Component Values List (SPI mode)
Below table is for all application circuits show in Figures 6 and 7
Value @
315 MHz
Value @
433.9 MHz 868.3 MHz
Value @
Value @
915 MHz
Part
Size
Tol.
Description
C1
C2
C4
0603
0603
0603
NIP
NIP
NIP
NIP
3.3 pF
NIP
NIP
NIP
matching capacitor
±5%
±5%
±5%
matching capacitor
4.7 pF
3.3 pF
2.7 pF
2.2 pF
LNA output tank capacitor
MIX1 negative input matching
capacitor
C5
C6
0603
0603
100 pF
100 pF
100 pF
100 pF
100 pF
100 pF
100 pF
100 pF
±5%
±5%
MIX1 negative input matching
capacitor
RSSI output low pass capacitor,
this value for data rates 4 kbps
NRZ
C7
C8
C9
0603
0603
0603
1 nF
1 nF
1 nF
1 nF
±10%
±10%
±10%
data low-pass filter capacitor,
this value for data rates 4 kbps
NRZ
330 pF
330 pF
330 pF
330 pF
data low-pass filter capacitor,
this value for data rates 4 kbps
NRZ
150 pF
33 nF
150 pF
33 nF
150 pF
33 nF
150 pF
33 nF
C10
C11
C12
0603
0603
0603
data slicer capacitor
±10%
±10%
±10%
not required in Figure 7
33 nF 33 nF
not required in Figures 6
33 nF 33 nF
not required in Figures 6
33 nF
33 nF
33 nF
33 nF
peak detector positive filtering
capacitor
peak detector negative filtering
capacitor
decoupling capacitor,
low-noise power supply recom-
mended
CB0
1210
10 μF
10 μF
10 μF
10 μF
±10%
CB1
CB2
CB3
CF1
CF2
CX
0603
0603
0603
0603
0603
0603
0603
0603
0603
470 pF
33 nF
33 nF
2.2 nF
220 pF
27 pF
10 Ω
470 pF
33 nF
33 nF
2.2 nF
220 pF
27 pF
10 Ω
470 pF
33 nF
33 nF
2.2 nF
220 pF
27 pF
10 Ω
470 pF
33 nF
33 nF
2.2 nF
220 pF
27 pF
10 Ω
decoupling capacitor
decoupling capacitor
decoupling capacitor
loop filter capacitor
loop filter capacitor
crystal series capacitor
protection resistor
±10%
±10%
±10%
±5%
±5%
±5%
±5%
±5%
±2%
±5%
±5%
±5%
±5%
±5%
RB0
RF
loop filter resistor
27 kΩ
30 kΩ
10 kΩ
33 nH
0 Ω
27 kΩ
30 kΩ
10 kΩ
15 nH
56 nH
82 nH
22 nH
47 kΩ
30 kΩ
10 kΩ
8.2 nH
22 nH
22 nH
5.6 nH
47 kΩ
30 kΩ
10 kΩ
8.2 nH
0 Ω
RBS
RS1…RS3
L0
reference bias resistor
protection resistor
0603
0603
0603
0603
VCO tank inductor
matching inductor
L1
L2
82 nH
33 nH
8.2 nH
5.6 nH
matching inductor
L3
LNA output tank inductor
SMD
5x3.2
XTAL
fundamental-mode crystal
10.00000 MHz / ±20ppm cal., ±30ppm temp.
SAFDC315MS SAFCC433MB SAFCC868MS SAFCH915MA
SAW
FIL
SMD
3x3
low-loss SAW filter from Murata
or equivalent part
M0T00
L0X00
L0X00
L0N00
(315 MHz)
(433.92 MHz)
(868.3 MHz)
(915 MHz)
Note:
- NIP – not in place, may be used optionally
39012 71122 01
Rev. 001
Page 24 of 32
EVB Description
Sept/06
MELEXIS [ Melexis Microelectronic Systems ]
