EVB71121 Datasheet, PDF (13/18 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

EVB71121
300 to 930MHz Receiver
Evaluation Board Description
3.3 Component List for Antenna Space Diversity
Below table is for all application circuits shown in Figures 3.1 and 3.2
Part
Size
Value @ Value @ Value @ Value @
315 MHz 433.92 MHz 868.3 MHz 915 MHz
Tol.
Description
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
0603
0603
0603
0603
0603
0603
0805
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
0603
SMD
3x3
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 date rate
connected to ground if noise filter not used
±10% optional capacitance for noise filter
PRELIMINARY ^{33 nF}
33 nF
33 nF
33 nF
33 nF
33 nF F
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
3.3 kΩ
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
3.3 kΩ
3.3 kΩ
1 nF
100 nF
27 pF
0Ω
3.9 nH
0Ω
0Ω
3.3 kΩ
±10%
±10%
±10%
±5%
PKDET positive filtering capacitor,
for data rate of 4 kbps NRZ
PKDET negative filtering capacitor,
for data rate of 4 kbps NRZ
RSSI output low pass capacitor,
for data rate of 4 kbps NRZ
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%
±5%
±5%
matching inductor
matching inductor
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
17.60000
MHz
24.206667
MHz
24.169444
MHz
25.46667
MHz
fundamental-mode crystal
±20ppm cal., ±30ppm temp.
Note: NIP – not in place, may be used optionally
39012 71121 01
Rev. 003
Page 13 of 18
EVB Description
Jan/08