在介绍两管天线放大器工作原理的基础上,对天线放大器的检修方法作了阐述,并对天线放大器常见的故障进行了概括。
This paper introduces the working principle of the two-tube antenna amplifier, expounds the maintaining methods for the antenna amplifier, and points out some common faults of the antenna amplifier.
该报告指出在天线和放大器之间的某处,可能存在硬件问题。
That report indicated that there may be a hardware issue somewhere between the antenna and the amplifier.
特别是如果电视机与天线距离超过超过20英寸(6米),就得考虑买一个内置信号放大器的天线。
Think about buying an aerial with a built-in signal amplifier, especially if the television set is more than 20 feet (six metres) away.
通过与大华无线电厂合作,研制了超高频传感器,其主要由天线、超高频放大器、高通滤波器、宽带检波器等组成。
A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector.
在电子学中,表示信号通过放大器、增音器或天线后幅度增加的程度。
In electronics, the degree to which the amplitude of a signal is increased when it passes through an amplifier, repeater or antenna.
波罗马康尼产品包括用于地铁、巴士、动车和高速列车的车载天线,合路器及滤波器。天线内置放大器和高压保护。
Polomarconi Telsa SpA scope of products is on-board antenna for metro, bus, EMU and high speed train. The antennas with embedded amplifier and high voltage protection.
如有必要,该地区可以通过添加额外的扩展中继器的单位,所有连接到同一个外置天线,使用信号分离器和线路放大器。
If necessary, the area can be extended by adding additional repeater units, all connected to the same external antenna, using a signal splitter and line amplifier.
天线内置放大器和高压保护。
The antennas with embedded amplifier and high voltage protection.
智能天线子系统中,射频前端模块包括线性功率放大器,低噪放大器,检测控制电路。
In intelligent peripheral subsystem, Radio Frequency Front Modules include linear power amplifier, low noise amplifier and detection control circuit.
这是幸运的,因为大多数RF路径是双工(双向)通道需要的信号从天线到前端(接收模式)和功率放大器天线(发射模式)。
This is fortunate, since most RF paths are duplex (bidirectional) channels with a need for signals to go from antenna to front end (receive mode) and from power amplifier to antenna (transmit mode).
驱动放大器放大信号到一个可以接受的输入量级以驱动功率放大器,放大后的射频信号被传送到天线分离滤波器进行滤波,最后通过天线发射出去。
The driving amplifier enlarges signal to reach an adaptive level in order to drive the power amplifier. The enlarged signal is delivered to a filter and transmitted through an antenna.
在发射端,需要通过功率放大器将信号放大到一定水平,然后才能通过天线发射出去;
In the transmitter, power amplifier will be needed to amplify the signal before they can be send by the antenna;
出口:手机放大器集成电路,全球定位芯片等,电话应答集成电路,天线循环灯系统。
Ex: Digital Audio Amp. I/C, GPS Chip for Cellular Phone, Telephone Answering I/C, Fluorescent Lamp Recycling System(Looking for Chinese Distributor)
射频功率放大器模块是无线通信收发器中的重要模块,它的作用是放大高频信号至所需的功率,并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
射频功率放大器模块是无线通信收发器中的重要模块,它的作用是放大高频信号至所需的功率,并送至天线辐射出去。
PA is very important in the wireless communication system, it amplify high frequency signal to the desired power which is sent through the antenna.
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