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参数资料
型号： TXM-315-LC_
厂商： Linx Technologies Inc
文件页数： 17/40页
文件大小： 0K
描述： TRANSMITTER RF 315MHZ SMT
产品变化通告： Internal Componet Change 19/Jul/2010
标准包装： 50
系列： LC
频率： 315MHz
应用： ISM，RKE，安全警报与火警
调制或协议： ASK，FSK
数据传输率 - 最大： 5 kbps
功率 - 输出： -4dBm ~ 4dBm
电流 - 传输： 3mA
数据接口： PCB，表面贴装
天线连接器： PCB，表面贴装
电源电压： 2.7 V ~ 5.2 V
工作温度： -30°C ~ 70°C
封装/外壳： 表面安装
包装： 管件
Interference Considerations
The RF spectrum is crowded and the potential for conflict with other
unwanted sources of RF is very real. While all RF products are at risk
from interference, its effects can be minimized by better understanding its
characteristics.
Interference may come from internal or external sources. The first step is to
eliminate interference from noise sources on the board. This means paying
careful attention to layout, grounding, filtering, and bypassing in order to
eliminate all radiated and conducted interference paths. For many
products, this is straightforward; however, products containing
components such as switching power supplies, motors, crystals, and other
potential sources of noise must be approached with care. Comparing your
own design with a Linx evaluation board can help to determine if and at
what level design-specific interference is present.
External interference can manifest itself in a variety of ways. Low-level
interference will produce noise and hashing on the output and reduce the
link’s overall range.
High-level interference is caused by nearby products sharing the same
frequency or from near-band high-power devices. It can even come from
your own products if more than one transmitter is active in the same area. It
is important to remember that only one transmitter at a time can occupy a
frequency, regardless of the coding of the transmitted signal. This type of
interference is less common than those mentioned previously, but in severe
cases it can prevent all useful function of the affected device.
Although technically it is not interference, multipath is also a factor to be
understood. Multipath is a term used to refer to the signal cancellation
effects that occur when RF waves arrive at the receiver in different phase
relationships. This effect is a particularly significant factor in interior
environments where objects provide many different signal reflection paths.
Multipath cancellation results in lowered signal levels at the receiver and,
thus, shorter useful distances for the link.
– 13 –
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相关代理商/技术参数
参数描述
TXM-315-LC_ 功能描述:TRANSMITTER RF 315MHZ SMT RoHS:是 类别:RF/IF 和 RFID >> RF 发射器 系列:LC 标准包装:4,000 系列:- 频率:310MHz ~ 440MHz 应用:- 调制或协议:UHF，ASK 数据传输率 - 最大:20 kBaud 功率 - 输出:1dBm ~ 5dBm 电流 - 传输:10mA 数据接口:PCB，表面贴装 天线连接器:PCB，表面贴装 存储容量:- 特点:- 电源电压:2.2 V ~ 4 V 工作温度:-40°C ~ 85°C 封装/外壳:16-LSSOP（0.154"，3.90mm 宽） 包装:带卷 (TR)
TXM-315-LR 功能描述:射频模块 RF Transmitter 315MHz RoHS:否 制造商:Linx Technologies 产品:Transceiver Modules 频带:902 MHz to 928 MHz 输出功率:- 15.5 dBm to + 12.5 dBm 接口类型:UART 工作电源电压:- 0.3 VDC to + 5.5 VDC 传输供电电流:38.1 mA 接收供电电流:22.7 mA 天线连接器类型:U.FL 最大工作温度:+ 85 C 尺寸:1.15 mm x 0.63 mm x 0.131 mm
TXM-315-LR_ 功能描述:TRANSMITTER 315MHZ LR SERIES RoHS:是 类别:RF/IF 和 RFID >> RF 发射器 系列:LR 标准包装:4,000 系列:- 频率:310MHz ~ 440MHz 应用:- 调制或协议:UHF，ASK 数据传输率 - 最大:20 kBaud 功率 - 输出:1dBm ~ 5dBm 电流 - 传输:10mA 数据接口:PCB，表面贴装 天线连接器:PCB，表面贴装 存储容量:- 特点:- 电源电压:2.2 V ~ 4 V 工作温度:-40°C ~ 85°C 封装/外壳:16-LSSOP（0.154"，3.90mm 宽） 包装:带卷 (TR)
TXM3F714L71PZT 制造商:Texas Instruments 功能描述:32-BIT ARM CORTEX-M3 MICROCONTROLLER - Tape and Reel
TXM3F714L72PZT 制造商:Texas Instruments 功能描述:32-BIT ARM CORTEX-M3 MICROCONTROLLER - Tape and Reel
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