參數(shù)資料
型號: SI4020-I1-FT
廠商: Silicon Laboratories Inc
文件頁數(shù): 11/32頁
文件大?。?/td> 1058K
描述: IC TX FSK 915MHZ 5.4V 16-TSSOP
標準包裝: 96
頻率: 315MHz,433MHz,868MHz,和 915MHz
調制或協(xié)議: FSK,OOK
數(shù)據(jù)傳輸率 - 最大: 256 kbps
電流 - 傳輸: 14mA
數(shù)據(jù)接口: PCB,表面貼裝
天線連接器: PCB,表面貼裝
電源電壓: 2.2 V ~ 5.4 V
工作溫度: -40°C ~ 85°C
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
包裝: 管件
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
其它名稱: 336-1621-5
Si4020
 
 
11
 
 
Modulated RF Spectrum
 
At 433 MHz with
180 kHz Deviation at 64 kbps
At 868 MHz with
180 kHz Deviation at 64 kbps
15:46:09 Oct 29, 2003
Ref -10 dBm
Atten 5 dB
#Peak
Log
10
dB/
VAvg
100
W1S2
S3 FC
AA
Center 434 MHz
Res BW 10 kHz
VBW 100 kHz
Span 2 MHz
Sweep 20.07 ms (2001 pts)
15:43:45 Oct 29, 2003
Ref -10 dBm
Atten 5 dB
#Peak
Log
10
dB/
VAvg
100
W1S2
S3 FC
AA
Center 868 MHz
Res BW 10 kHz
VBW 100 kHz
Span 2 MHz
Sweep 20.07 ms (2001 pts)
Spurious RF Spectrum
With 10 MHz CLK Output Enabled at 433 MHz
Antenna Tuning Characteristics
750970 MHz
16:29:03 Jun 17, 2003
Ref 0 dBm
Atten 10 dB
Mkr1  20.0 MHz
-55.11 dB
#Peak
Log
10
dB/
W1S2
S3 FC
AA
Center 434.8 MHz
#Res BW 3 kHz
#VBW 300 Hz
Span 50 MHz
Sweep 45.47 s (401 pts)
1
1R
Marker 
20.000000 MHz
-55.11 dB
16:54:54 Mar 11, 2003
Ref -36 dBm
#Atten 0 dB
Mkr1 915.0 MHz
-37.62 dBm
Peak
Log
1
dB/
V1 M2
S3 FC
AA
Start 700 MHz
#Res BW 1 MHz
VBW 1 MHz
Stop 1.05 GHz
Sweep 50 ms (401 pts)
1
*
Marker
915.000000 MHz
-37.62 dBm
 
The antenna tuning characteristics was recorded in max-hold state of the spectrum analyzer. During the measurement, the
transmitters were forced to change frequencies by forcing an external reference signal to the XTL pin. While the carrier was changing
the antenna tuning circuit switched trough all the available states of the tuning circuit. The graph clearly demonstrates that while the
complete output circuit had about a 40 MHz bandwidth, the tuning allows operating in a 220 MHz band. In other words the tuning
circuit can compensate for 25% variation in the resonant frequency due to any process or manufacturing spread.
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PDF描述
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