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參數資料
| 型號： | SI4022-A0-FT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數： | 10/20頁 |
| 文件大小： | 726K |
| 描述： | IC TX FSK UNI 868/915MHZ 16TSSOP |
| 標準包裝： | 96 |
| 頻率： | 868MHz，915MHz |
| 應用： | ISM |
| 調制或協議： | FSK |
| 數據傳輸率 - 最大： | 115.2kbps |
| 功率 - 輸出： | 6dBm |
| 電流 - 傳輸： | 24mA |
| 數據接口： | PCB，表面貼裝 |
| 天線連接器： | PCB，表面貼裝 |
| 電源電壓： | 2.2 V ~ 3.8 V |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 16-TSSOP（0.173"，4.40mm 寬） |
| 包裝： | 管件 |
10
Si4022
Control Word
Related Parameters/Functions
Configuration Setting Command
frequency band and deviation, output power, crystal oscillator load capacitance
Frequency Setting Command
frequency of the local oscillator
Power Managament Command
crystal oscillator, synthesizer, power amplifier, low battery detector, wake-up timer,
clock output buffer
Transmitter FIFO Write Command
transmitter FIFO write
FIFO Setting Command
FIFO functions
Data Rate Command
bit rate
Low Battery and Microcontroller Clock
Divider Command
LBD voltage threshold and microcontroller clock division ratio
Wake-up Timer Command
wake-up time period
Extended Wake-up Timer Command
wake-up time period finer adjustment
Extended Features Command
low frequency output clock, wake-up timer extra functions
Status Register Read Command
transmitter status read
bit 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
POR
1
0
0
1
bs p2 p1 p0 x3 x2 x1 x0 ms m2 m1 m0
9082h
bs
Frequency Band [MHz]
0
868
1
915
p2 p1 p0
Output Power
[dBm]
0
0
0
0
0
0
1
-3
0
1
0
-6
0
1
1
-9
1
0
0
-12
1
0
1
-15
1
1
0
-18
1
1
1
-21
x3 x2 x1 x0
Crystal Load
Capacitance [pF]
0
0
0
0
8.5
0
0
0
1
9.0
0
0
1
0
9.5
0
0
1
1
10.0
&&
&.
1
1
1
0
15.5
1
1
1
1
16.0
Control Commands
Note
Note
Note
Note
Note: In the following tables the POR column shows the default values of the command registers after power-on.
Configuration Setting Command
The resulting output frequency can be calculated as:
f
out
= f
0
(-1)
SIGN
* (M + 1) * (20 kHz)
where:
f
0
is the channel center frequency (see the
next command)
M is the three bit binary number <m2 : m0>
SIGN = (ms) XOR (FSK input)
The output power is given in the table as
relative to the maximum available power, which
depends on the actual antenna impedance.
(See: Antenna Application Note available from
http://www.silabs.com/integration).
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| SI4022-A0-FTR | 功能描述:射頻發射器 Transmitter EZRadio RoHS:否 制造商:Micrel 類型:ASK Transmitter 封裝 / 箱體:SOT-23-6 工作頻率:300 MHz to 450 MHz 封裝:Reel |
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