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| 型号： | MICRF022YM-FS48 |
| 厂商： | Micrel Inc |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | IC RECEIVER ASK 300-440MHZ 8SOIC |
| 标准包装： | 95 |
| 频率： | 300MHz ~ 440MHz |
| 灵敏度： | -97dBm |
| 数据传输率 - 最大： | 10 kbps |
| 调制或协议： | ASK，OOK |
| 应用： | RKE |
| 电流 - 接收： | 2.2mA |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 4.75 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 571 (CN2011-ZH PDF) |
| 其它名称： | 576-2421 MICRF022YM-FS48-ND |
Demoulator bandwidth =
(8)
Micrel, Inc.
for the vast majority of applications. If adjustment is
required the constant may be varied by adding a resistor in
parallel with the C AGC capacitor. The value of the resistor
must be determined on a case by case basis.
Step 5: Selecting The Demod Filter Bandwidth
The inputs SEL0 and SEL1 control the demodulator filter
bandwidth in four binary steps (625Hz to 5000Hz in sweep,
MICRF002/RF022
0.65
Shortest pulse ? width
It should be noted that the values indicated in Table 1 are
nominal values. The filter bandwidth scales linearly with
frequency so the exact value will depend on the operating
frequency. Refer to the “Electrical Characteristics” for the
exact filter bandwidth at a chosen frequency.
1250Hz to 10000Hz in fixed-mode), see Table 3.
Bandwidth must be selected according to the application.
The demodulator bandwidth should be set according to
SEL0
SEL1
Demodulator Bandwidth
Sweep-Mode Fixed-Mode
Equation 8:
1
0
1
0
1
1
0
0
5000Hz
2500Hz
1250Hz
625Hz
10000Hz
5000Hz
2500Hz
1250Hz
Table 1. Nominal Demodulator Filter Bandwidth vs.
SEL0, SEL1 and Operating Mode
July 2008
10
M9999-070808
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| MICRF022YM-FS48 TR | 功能描述:射频接收器 300-440MHz RF Receiver With Shutdown( Lead Free) RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
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