参数资料
型号: RXM-418-LR_
厂商: Linx Technologies Inc
文件页数: 33/40页
文件大小: 0K
描述: RECEIVER 418MHZ LR SERIES
标准包装: 25
系列: LR
频率: 418MHz
灵敏度: -112dBm
数据传输率 - 最大: 10 kbps
调制或协议: ASK,OOK
应用: ISM,车库门开启器,RKE
电流 - 接收: 5mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
特点: 远程
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 70°C
封装/外壳: 16-SMD 模块
包装: 管件
其它名称: RXM-418-LR
RXM-418-LR-S
mance. Always use 50-ohm coax, like RG-174, for the remote feed.
area available to create as much ground plane as possible in proximity
to the base of the antenna. In cases where the antenna is remotely lo-
cated or the antenna is not in close proximity to a circuit board, ground
plane, or grounded metal case, a metal plate may be used to maximize
the antenna’s performance.
5. Remove the antenna as far as possible from potential interference
sources. Any frequency of sufficient amplitude to enter the receiver’s
front end will reduce system range and can even prevent reception
entirely. Switching power supplies, oscillators, or even relays can also
be significant sources of potential interference. The single best weapon
against such problems is attention to placement and layout. Filter the
module’s power supply with a high-frequency bypass capacitor. Place
adequate ground plane under potential sources of noise to shunt noise
to ground and prevent it from coupling to the RF stage. Shield noisy
board areas whenever practical.
and allows
6. In some applications, it is advantageous to place the module and
antenna away from the main equipment. This can avoid interference
problems OPTIMUM the antenna to be oriented for optimum perfor-
NOT RECOMMENDED
USABLE
CASE
NUT
Figure 30: Remote Ground Plane
– 29 –
GROUND PLANE
(MAY BE NEEDED)
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