EVB71122 Datasheet, PDF (24/32 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

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