frequency synthesizer

First of all, the paper introduces the universal technology index, phylogeny and development trend of frequency synthesizer.

论文首先，介绍了频率合成器的分类、通用技术指标及其发展历史与趋势。

Spectrum Analysis of Spurious Signals in Direct Digital Frequency Synthesizer Due to Phase Truncation

DDS相位舍位杂散信号的频谱分析

A fully differential charge pump for a frequency synthesizer is proposed.

提出了一种应用于频率综合器的全差分电荷泵电路。

Low-voltage frequency synthesizer for radio telephones.

低电压无线电话频率合成器。

A Microprocessor-Controlled System of Digital Frequency Synthesizer

数字频率综合器微机控制系统的研制

The key building blocks in the frequency synthesizer are-controlled oscillator ( VCO ) and high frequency divider circuit.

压 控振荡器 与除频器是频率合成器电路中,主要的电路之一.

IC-V 100 radio phase locking frequency synthesizer The Study on steady Frequency of Locking Phase Ring Circuit

IC&V100电台锁相环频率合成器锁相环路稳频的研究

In this paper, a solution to fractional frequency dividing frequency synthesizer is introduced.

文中介绍了一种小数分频频率合成器的设计方案.

Modern wireless communication requires that the frequency synthesizer should have fast settling time, small channel width and low phase noise.

现代无线通信要求频率综合器同时满足快速切换时间，小信道宽度和低噪声性能三方面的要求。

The highest frequency synthesizer JiHe 26.5 can reach.

这种合成器的最高频率可达26.5吉赫.

A design of Ku band phase-locked frequency synthesizer with low phase noise

Ku波段低相噪锁相频踪源的设计

Applications of digital system design about LPM database 、 divider and DDS frequency synthesizer in the MAX + PLUSare introduced.

介绍了MAX+PLUS 中LPM库车 RAM、除法器和DDS频率合成器上进行数字系统设计的应用.

So it is necessary to design domestic chipsets. A TD-SCDMA frequency synthesizer is designed in this paper, third-order interpolative Delta-Sigma fractional PLL has been adopted for the frequency synthesizer designed.

本论文设计了一个基于三阶内插型Delta-Sigma小数分频电荷泵锁相环结构的TD-SCDMA频率综合器。

This essay introduces a method of using the wave compression to save FPGA resources, and this method can be applied in the design of Direct Digital Frequency Synthesizer ( DDS).

在直接数字频率合成（DDS）设计中利用波形压缩节省FPGA资源。

Study on a Ku band miniature low phase noise frequency synthesizer vibration isolation system

Ku波段小型低相噪频综器隔振研究

Chaotic Phenomena of Ladder& Shaped Sampling Phase Detect Frequency Synthesizer

梯形取样鉴相频率合成器的混沌现象

PLL frequency synthesizer based on fractional frequency division and ∑-� � technique is introduced.

本文介绍了采用 ∑- △调制技术的小数分频PLL频率合成器.

The Applications of High Resolution Fractional-N Frequency Synthesizer in Rubidium Clock Circuit

一种高分辨率频率合成器在铷钟电路中的应用

Design of fractional frequency dividing frequency synthesizer based on FPGA

基于FPGA的小数分频频率合成器设计

Frequency synthesizer is the hardcore of a electronic system.

频率合成器是电子系统的核心部件.

In this paper, we present a new autoanalysis system of the dielectric spectrum, in which we have designed a new phase shifter and a new frequency synthesizer controled by digital.

该系统以信号的相关检测和数字化技术为基础，采用了新研制的数控频率合成信号源、乘法器、同步积分器、移相器和仪用微机等由通用集成电路组成的新型实用网络。

Spurious Signals Analysis of Direct Digital Frequency Synthesizer and Spur Reduction Techniques

DDS的杂散分析及降低杂散的方法

It is used as a local oscillator for frequency synthesizer translation and channel selection.

它通常作为本振信号用于变频或者信道选择。

The ZEEMAN frequeney is one of important working parameters of hydrogen maser frequency standards, so a special digital time and frequency synthesizer, which is used to measure ZEEMAN frequencies, was developed.

ZEEMAN频率是氢脉泽时间频率标准的一个重要工作参数，为此上海天文台研制了一种专用的数字频率合成器，用来测量ZEEMAN频率。

In this paper, a fractional-N frequency synthesizer based on high-order single-bit Σ� � modulator is introduced.

本文介绍了高阶 单比特 Σ△调制器在小数分频频率综合器中的应用.

PLL frequency synthesizer with DDS reference will adapt to local oscillator of modern radio.

采用DDS输出作为参考的PLL频率合成器非常适合用做现代电台的本振.

This paper introduced the design and realization of a renewable frequency synthesizer on-line controlled by a EZ-USB in-terface chip with enhanced 51 core.

本文介绍了一种使用带51核的USB芯片控制DDS芯片AD9852实现在线可更新频率合成器的方法；

Impulse test. This procedure for the AD 9850 ( DDS ) Direct Digital Frequency Synthesizer C language source code.

脉冲发生测试. 此程序为AD9850 ( DDS ) 直接数字频率合成器C语言源码.

The Study of Frequency Synthesizer Decimal Fraction Discerption Frequency Circuits

小数分频频率合成器专用集成电路的研制

In this system, continuously variable slope delta modulation ( CVSD) is used to change the analogy signal into digital, GFM is used to modulate the signal, FDMA, PLL frequency synthesizer.

这种系统采用连续可变斜率增量调制（CVSD）来实现语音信号的编码、GFM调制解调方式、FDMA、PLL频率合成器技术。