参数资料
型号: EM250-RCM-R
厂商: Silicon Laboratories Inc
文件页数: 16/124页
文件大小: 0K
描述: EM250 RCM BOARD
标准包装: 12
类型: 收发器,802.15.4/Zigbee
频率: 2.4GHz
适用于相关产品: EM250
其它名称: 636-1023
EM250
Table 8. Transmit Characteristics
Parameter
Maximum output power (boost mode)
Maximum output power
Minimum output power
Error vector magnitude
Carrier frequency error
Test Conditions
At highest power setting
At highest power setting
At lowest power setting
As defined by IEEE 802.15.4, which sets a
35% maximum
Min.
0
- 40
Typ.
5
3
- 32
5
Max.
15
+ 40
Unit
dBm
dBm
dBm
%
ppm
Load impedance
200+j90
?
PSD mask relative
PSD mask absolute
3.5.3
Synthesizer
3.5MHz away
3.5MHz away
- 20
- 30
dB
dBm
Table 9 lists the key parameters of the integrated synthesizer on the EM250.
Table 9. Synthesizer Characteristics
Parameter
Frequency range
Test Conditions
Min.
2400
Typ.
Max.
2500
Unit
MHz
Frequency resolution
11.7
kHz
Lock time
Relock time
From off, with correct VCO DAC setting
Channel change or RX/TX turnaround (IEEE 802.15.4
100
100
μ s
μ s
defines 192 μ s turnaround time)
Phase noise at 100kHz
Phase noise at 1MHz
Phase noise at 4MHz
Phase noise at 10MHz
120-0082-000V Rev 1.1
Page 16
- 71
- 91
- 103
- 111
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
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