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参数资料
| 型号： | 4022-DKDB13 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 6/20页 |
| 文件大小： | 726K |
| 描述： | KIT DEV TEST EZRADIO SI4022 TX |
| 标准包装： | 1 |
| 附件类型： | 测试卡，发射器，868MHz，915MHz |
| 适用于相关产品： | EZRadio? |
6
Si4022
Symbol
Parameter
Conditions/Notes
Min
Typ
Max
Units
BR
FSK bit rate
(Note 4)
115.2
kbps
I
out
Open collector output current
Adjustable in 8 steps
0.5
6
mA
Pmax
Available output power
With optimal antenna impedance
(Note 5)
6
dBm
P
out
Typical output power
Adjustable in 8 steps
(3 dB/step)
P
max
- 21
P
max
dBm
P
sp
Spurious emission
Out of band, EIRP (Note 6)
-52
dBm
C
out
Output capacitance
Set by the automatic antenna
tuning circuit
1.6
2.2
2.8
pF
Q
out
Quality factor of the output
capacitance
16
18
22
L
out
Output phase noise
100 kHz from carrier
1 MHz from carrier (Note 4)
-85
-105
dBc/Hz
Cin, D
Digital input capacitance
2
pF
t
r, f
Digital output rise/fall time
15 pF pure capacitive load
10
ns
t
r, f ,ckout
Clock output rise/fall time
10 pF pure capacitive load
15
ns
f
ckout, slow
Slow clock frequency
Tolerance +/- 1 kHz
32
kHz
AC Characteristics (continued)
Note 4:
Note 4:
Note 4:
Note 4:
Note 4: The maximum FSK bitrate and the output phase noise are dependent on the PLL settings (with the Extended Features
Command).
Note 5:
Note 5:
Note 5:
Note 5:
Note 5: Optimal antenna / admittance / inductance for the Si4022
Note 6:
Note 6:
Note 6:
Note 6:
Note 6: With selective resonant antennas (see: Application Notes available from http://www.silabs.com/integration).
Band
Y antenna [S]
Z antenna [
L antenna [nH]
868 MHz
1.35E-3 j1.2E-2
9 + j82
15.2
915 MHz
1.45E-3 j1.3E-2
8.7 + j77
13.6
Setting
(bw1, bw0)
Max. datarate
[kbps]
Phase noise at
1 MHz offset [dBc/Hz]
PLL bandwidth
00
19.2
-112
15 kHz
01
38.4
-110
30 kHz
10
64
-107
60 kHz (POR default)
11
115.2
-102
120 kHz
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