参数资料
型号: MICRF405YML TR
厂商: Micrel Inc
文件页数: 36/46页
文件大小: 649K
描述: TRANSMITTER ASK/FSK 24-MLF
标准包装: 1
频率: 290MHz ~ 980MHz
应用: ISM
调制或协议: ASK,FSK
数据传输率 - 最大: 200 kbps
功率 - 输出: 10dBm
电流 - 传输: 18mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
电源电压: 2.2 V ~ 3.6 V
工作温度: -40°C ~ 125°C
封装/外壳: 24-VFQFN 裸露焊盘,24-MLF?
包装: 标准包装
产品目录页面: 571 (CN2011-ZH PDF)
其它名称: 576-1965-6
Micrel
MICRF405
 
 
 
 
April 2006 
36
M9999-041906
 (408) 955-1690
 
 
ASK2
ASK1
ASK0
State
0
0
0
3dB ASK depth
0
0
1
6dB ASK depth
0
1
0
9dB ASK depth
0
1
1
12dB ASK depth
1
0
0
15dB ASK depth
1
0
1
18dB ASK depth
1
1
0
21dB ASK depth
1
1
1
> 30dB ASK depth
Table 25. ASK Modulation Depth When PA[2:0]=7.
 
ASKshape
Comments
0..7
Programmable ASK filter. It can be programmed in eight steps. 0 is no shaping, 7 most shaping.
Table 26. ASK Shaping/Filtering. 
 
XCOtune
Comments
0..31
Programmable XCO load capacitor
Table 27. XCO Capacitor Setting.
 
XCO_Fast
Comments
0
The XCO is running on a constant bias current.
1
When going from PD to TX mode, the XCO is running on a high current during start up.
Table 28. XCO Fast Startup.
 
Low_Batt_en   LowBatt_level
LDO_by
Comments
0
X
X
Low battery detect circuit off
1
0
0
Low battery detect circuit active. Interrupt is flagged if VDD falls below
2V.
1
1
0
Low battery detect circuit active. Interrupt is flagged if VDD falls below
2.1V.
1
0
1
Low battery detect circuit active. Interrupt is flagged if VDD falls below
1.8V.
1
1
1
Low battery detect circuit active. Interrupt is flagged if VDD falls below
1.9V.
Table 29. Low Battery Detect.
 
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