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EVB71111-915-FM-C 参数 Datasheet PDF下载

EVB71111-915-FM-C图片预览
型号: EVB71111-915-FM-C
PDF下载: 下载PDF文件 查看货源
内容描述: 868 / 915MHz的接收器评估板说明 [868/915MHz Receiver Evaluation Board Description]
分类和应用:
文件页数/大小: 14 页 / 614 K
品牌: MELEXIS [ Melexis Microelectronic Systems ]
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EVB71111  
868/915MHz Receiver  
Evaluation Board Description  
2.2.2  
Part  
Board Component Values for ASK  
Value  
Value  
Size  
Tolerance  
Description  
@ 868.3 MHz  
@ 915 MHz  
crystal series capacitor  
C1  
C3  
0805  
0603  
0603  
0603  
0603  
0603  
0603  
0603  
22 pF  
1 nF  
22 pF  
1 nF  
±5%  
±10%  
±5%  
loop filter capacitor  
capacitor to match SAW filter input  
capacitor to match SAW filter output  
MIX1 input matching capacitor  
IFA feedback capacitor  
C4  
4.7 pF  
2.7 pF  
1.0 pF  
33 nF  
1 nF  
NIP  
C5  
NIP  
±5%  
C7  
0.68 pF  
33 nF  
1 nF  
±5%  
C9  
±10%  
±10%  
±10%  
IFA feedback capacitor  
C10  
C11  
IFA feedback capacitor  
1 nF  
1 nF  
RSSI output low-pass capacitor,  
C16  
C17  
0805  
0805  
1.5 nF  
10 nF  
1.5 nF  
10 nF  
this value for data rates < 10 kbps NRZ,  
for higher data rates decrease the value  
±10%  
±10%  
data slicer capacitor,  
this value for data rates > 0.8 kbps NRZ,  
for lower data rates increase the value  
CB1 to CB5  
CB7 to CB8  
de-coupling capacitor  
0603  
0805  
0603  
330 pF  
33 nF  
330 pF  
33 nF  
±10%  
±10%  
±5%  
de-coupling capacitor  
CB6  
optional capacitor,  
to couple external RO signal  
C_RO  
330 pF  
330 pF  
loop filter resistor  
R1  
R2  
0805  
0603  
0805  
0805  
0805  
0603  
10 kΩ  
330 Ω  
330 kΩ  
470 Ω  
470 Ω  
22 nH  
10 kΩ  
330 Ω  
330 kΩ  
470 Ω  
470 Ω  
0 Ω  
±5%  
±5%  
±5%  
±5%  
±5%  
±5%  
optional CERFIL output matching resistor  
data slicer resistor  
R4  
MIX1 bias resistor  
RL1  
RL2  
L1  
MIX1 bias resistor  
SAW filter matching inductor  
from Würth-Elektronik (WE-KI series),  
or equivalent part  
L2  
L3  
0603  
0603  
22 nH  
10 nH  
0 Ω  
±5%  
±5%  
LNA output tank inductor from Würth-Elek-  
tronik (WE-KI series), or equivalent part  
10 nH  
fundamental-mode crystal from  
Telcona/Horizon (HEX22 series)  
or equivalent par  
SMD  
6x3.5  
26.80000 MHz  
@ RF = 868.3 MHz  
28.25938 MHz  
@ RF = 915 MHz  
±25ppm cal.  
±30ppm temp.  
XTAL  
fundamental-mode crystal, Cload = 10 pF  
to 15 pF, C0, max = 7 pF, R1, max = 50 Ωl  
HC49  
SMD  
SMD  
3x3  
SAFCC868MSL0X00  
(f0 =868.3 MHz)  
low-loss SAW filters from Murata  
or equivalent part  
B
3dB = 2 MHz  
3dB = 40 MHz  
B3dB = 180 kHz  
SAWFIL  
CERFIL  
SMD  
3.8x3.8  
SAFCH915MAL0N00  
(f0 = 915 MHz)  
B
SMD  
3.45x3.1  
ceramic filter from Murata,  
or equivalent part  
SFECF10M7HA00  
39012 71111 01  
Rev. 011  
Page 10 of 14  
EVB Description  
June/07