文中详细介绍数字合成电路的组成与工作原理。
The composition and principle of digital synthesis circuit are introduced in detail.
本文所设计的数字脉冲宽度调制器采用CMOS工艺，适合于不同的语音合成集成电路。
The digital pulse width modulator adopts CMOS technology and is suitable for a variety of speech synthesis integrated circuits.
介绍了一种宽带数字式频率合成环路的设计思想，给出了原理电路。
This paper introduces the design thought of a wide band digital frequency synthesis loop. The principle circuit is given.
本设计采用AT89S52单片机，辅以必要的模拟电路，实现了一个基于直接数字频率合成技术（DDS）的正弦信号发生器。
This design construct an sinusoidal signal generator based on DDS(Direct Digital Frequency Synthesis), completed by MCU AT89S52 and necessary analog circuit.
结合数字合成脉冲的技术特点及信号特征，提出利用恒流源差分放大电路具有非线性工作区的特点实现高频脉冲信号调理的方法。
Considering the characteristics of digital-synthesis technology and pulse signal, this paper proposes a method to implement the adjustment of high-speed pulse using differential amplifier.
介绍利用复杂可编程逻辑器件CPLD和直接数字合成专用电路dds，设计雷达信号回波模拟器的硬件系统。
Introduce how to design hardware system structure of radar signal echo simulator by using CPLD and DDS.
传感器检出的信号送入信号处理电路后，经滤波、放大、整形及合成，成为等效于滞燃期的数字脉冲信号。
The signal read out of the sensor is to be filtered, amplified, shaped and synthesized and then transformed into a digital pulse one, which is equivalent to the ignition time delay.
传感器检出的信号送入信号处理电路后，经滤波、放大、整形及合成，成为等效于滞燃期的数字脉冲信号。
The signal read out of the sensor is to be filtered, amplified, shaped and synthesized and then transformed into a digital pulse one, which is equivalent to the ignition time delay.
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