电子专业英语翻译

来源:百度知道 编辑:UC知道 时间:2024/09/16 06:00:52
带数码显示可编程控制的小功率信号发射机
摘 要:
用单片机EM78P153编程产生不同的频率值,同时控制三位数码管动态显示,再用锁相环技术提供稳定的输出频率,配以音频耦合电路、调频电路、发射电路。从而实现可编程设定输出载波频率的FM发射机。其特点是:先进简单的单片机结构、优越的数据处理性能、高度的稳定性、强大的单片机新功能、灵活的功能选择设计、通俗易懂的指令系统、完备的开发手段以及相对较高的性价比。电路包含的主要元器件和基本电路部分有:EM78P153单片机、锁相环、压控振荡器、分频器CD4046、晶体振荡器、倍频电路、选频放大电路、滤波器、调频预加重电路等等。制成品频率范围为82.0—82.9MHz(可编程修改)带三位数码显示,在开阔地发射距离大于100米,可用于实际产品的开发与生产。
关键词:
单片机, 频率合成器,锁相环,指令系统

哪位高手能把上面的给我翻译一下,分就给你了。谢谢

Programmable digital display with the control of small signal transmitter power
Abstract:
EM78P153 MCU programming produce different frequencies, the digital control of three dynamic display, and then phase-locked loop technology to provide a stable output frequency, together with audio coupling circuit, FM circuit, firing circuit. Programmable output to achieve the carrier frequency FM transmitter. Its characteristics are: Advanced Microcontroller simple structure, excellent data-processing performance, high degree of stability, and powerful new features microcontroller, flexible choice of the function of the design, easy-to-read instructions, comprehensive development tools and relative higher price. Circuit includes the main components and some of the basic circuit: EM78P153 microcontroller, phase-locked loop, voltage-controlled oscillator, the crossover CD4046, crystal oscillators, frequency circuit, selected frequency amplifiers, filters, frequency pre-emphasis circ