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Si4421
AC Characteristics (PLL parameters)
Symbol
f ref
Parameter
PLL reference frequency
Conditions/Notes
(Note 2)
Min
9
Typ
10
Max
11
Units
MHz
433 MHz band, 2.5 kHz resolution
430.24
439.75
f o
Receiver LO/Transmitter carrier
frequency
868 MHz band, 5.0 kHz resolution
860.48
879.51
MHz
915 MHz band, 7.5 kHz resolution
900.72
929.27
t lock
PLL lock time
Frequency error < 1kHz
after 10 MHz step
30
μs
t stP
PLL startup time (Note 10)
With a running crystal oscillator
200
300
μs
AC Characteristics (Receiver)
Symbol
Parameter
Conditions/Notes
Min
Typ
Max
Units
mode 0
mode 1
67
134
BW
Receiver bandwidth
mode 2
mode 3
200
270
kHz
mode 4
mode 5
340
400
BER 10 , BW=67 kHz, BR=1.2 kbps,
BR RX
BRA RX
P min
AFC range
FSK bit rate (Note 10)
FSK bit rate (Note 10)
Receiver Sensitivity
AFC locking range
With internal digital filters
With analog filter
-3
868 MHz Band (Note 3)
δ f FSK : FSK deviation in the received
signal
0.6
-110
0.8· δ f FSK
115.2
256
kbps
kbps
dBm
IIP3 inh
IIP3 outh
IIP3 inl
IIP3 outl
P max
Cin
RS a
RS r
RS ps
C ARSSI
RS step
Input IP3
Input IP3
IIP3 (LNA –6 dB gain)
IIP3 (LNA –6 dB gain)
Maximum input power
RF input capacitance
RSSI accuracy
RSSI range
RSSI power supply dependency
Filter capacitor for ARSSI
RSSI programmable level steps
In band interferers in high bands
(868 MHz, 915 MHz)
Out of band interferers l f-f o l > 4 MHz
In band interferers in low band (433
MHz)
Out of band interferers l f-f o l > 4 MHz
LNA: high gain
When input signal level lower than -54
dBm and greater than -100 dBm
0
1
-21
-18
-15
-12
1
±6
46
+35
6
dBm
dBm
dBm
dBm
dBm
pF
dB
dB
mV/V
nF
dB
Until the RSSI signal goes high after
RS resp
P sp_rx
DRSSI response time
Receiver spurious emission
the input signal exceeds the
preprogrammed limit C ARRSI = 4.7 nF
500
-60
μs
dBm
Notes are on page 12.
10
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相关代理商/技术参数
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EZLC-4421LB 制造商:Silicon Laboratories Inc 功能描述:EZLink 4421 development kit, 433MHz
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EZLC4431B1-D868 功能描述:射频开发工具 EZLink Kit F930 Si4431 Rev B1 868MHz RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC-4432 HB 功能描述:射频开发工具 EZLink Fast Prototype Kit Hiband RoHS:否 制造商:Taiyo Yuden 产品:Wireless Modules 类型:Wireless Audio 工具用于评估:WYSAAVDX7 频率: 工作电源电压:3.4 V to 5.5 V
EZLC-4432 HB/LB KIT 制造商:Silicon Laboratories Inc 功能描述:
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