参数资料
型号: 4421-DKDB2
厂商: Silicon Laboratories Inc
文件页数: 39/45页
文件大小: 0K
描述: KIT DEV TEST EZRADIO SI4421 TRX
标准包装: 1
附件类型: 测试卡,收发器,434MHz
适用于相关产品: EZRadio?
Si4421
REFERENCE DESIGNS
Evaluation Board with 50 Ohm Matching Network
Schematics
GND
CN61
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DCLK
SDI
DATA
SEL
SDO
SCK
IRQ
ARSSI
VDI
RESET
GND
SDI
SCK
SEL
SDO
IRQ
DATA
DCLK
1
2
3
4
5
6
7
8
IC1
SDI NINT/VDI
SCK ARSSI
NSEL VDD
SDO RF1
NIRQ RF2
FSK/DATA/NFFS VSS
DCLK/CFIL/FFIT NRES
CLK XTL/REF
GND
16 VDI
15 ARSSI
14
13
12
11
10 RESET
9
MATCHING_NETWORK
*
C10 *
*
GND
*
*
C9
C8
*
C11
*
GND
GND
CN62
IA4421
optional
ANT
C3
*
C2
C1
GND
*
GND
10nF
2.2uF
* See values in the table
VDD
GND
Frequency Dependent Component Values
f [MHz]
434
868
915
L1 [nH]
18
3.9
3.6
L2 [nH]
47
18
16
L3 [nH]
390
100
100
L4 [nH]
18
3.9
3.6
C8 [pF]
5
2.7
2.7
C9 [pF]
2.7
1.2
1.2
C10 [pF]
2.7
1.8
1.8
C11 [pF]
220
47
33
C3 [pF]
220
47
33
Recommended Component Types
Component
Manufacturer
434MHz
Part number
868 MHz
915MHz
Note
L1
L4
L2
L3
C9
C8
C10
C11
C3
Coilcraft
Coilcraft
Coilcraft
Coilcraft
Murata
Murata
Murata
Murata
Murata
0603CS-18NX
0603CS-18NX
0603CS-47NX
0603CS-R39X
GRM1885C1H2R7CZ01B
GRM1885C1H5R0CZ01B
GRM1885C1H2R7CZ01B
GRM1885C1H221JA01B
GRM1885C1H221JA01B
0603CS-3N9X
0603CS-3N9X
0603CS-18NX
0603CS-R10X
GRM1885C1H1R2CZ01B
GRM1885C1H2R7CZ01B
GRM1885C1H1R8CZ01B
GRM1885C1H470JZ01B
GRM1885C1H470JZ01B
0603CS-3N9X
0603CS-3N9X
0603CS-16NX
0603CS-R10X
GRM1885C1H1R2CZ01B
GRM1885C1H2R7CZ01B
GRM1885C1H1R8CZ01B
GRM1885C1H330JZ01B
GRM1885C1H330JZ01B
1
1
1
2
3
3
3, 4
3
3
For component selection guidelines, see the notes on the next page.
39
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