frequency synthesizer

Low-voltage frequency synthesizer for radio telephones.

低电压无线电话频率合成器。

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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.

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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.

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A Microprocessor-Controlled System of Digital Frequency Synthesizer

数字频率综合器微机控制系统的研制

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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

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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

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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.

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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。

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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

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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。

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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；

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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。

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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

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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。

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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.

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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。

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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

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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

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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。

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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.

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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.

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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.

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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。

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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

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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。

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Frequency synthesizer is the hardcore of a electronic system.

频率合成器是电子系统的核心部件.

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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

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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

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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。

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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.

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