Design of a Ring Voltage-Controlled Oscillator with Wide Tuning Range and Low Phase Noise 宽调谐低相位噪声的环形压控振荡器设计
Design and Simulation of 2.4 GHz Voltage-Controlled Oscillator 2.4GHz电压控制振荡器的设计与仿真
The Research& Design of Complete Wide Band CMOS Voltage-Controlled Oscillator 全集成宽带CMOS压控振荡器的研究与设计
This paper describes an analytical method of tuning the curves of a LC-tank voltage-controlled oscillator ( VCO) with the period calculation technique ( PTC). 针对采用阶跃可变电容的电感电容压控振荡器电路,本文提出了一种振荡器调谐特性的时域分析方法&周期计算技术。
A Wide Frequency Range Voltage-controlled Oscillator with Good Linearity 频率范围宽、线性度好的压控振荡器
A LC Voltage-Controlled Oscillator Tuned by Switched Step Capacitors: Part ⅰ, Analysis of Tuning Characteristics 一种采用开关阶跃电容的压控振荡器(上):调谐特性的理论分析
Presented in this paper is the design and performance of a C band high frequency-stability broad-band FET voltage-controlled oscillator ( VCO) consisting of an oscillating FET and a GaAs electrically tunned varactor with constant y as well as a constant temperature-controlled circuit. 本文叙述了用场效应振荡管和砷化镓常γ电调变容二极管及恒温控制电路等构成的C波段高频率稳定度宽带场效应管电压控制振荡器(VCO)的设计和电性能。
The phase-locked loop consists of sinusoidal phase comparator, nonlinear ratio-plus-integral filter, and voltage-controlled oscillator ( VCO). 在分析中,对鉴相器考虑实际中最常碰到的正弦特性,同时考虑了电压控制振荡器(VCO)的实际饱和非线性。
This paper introduces a voltage-controlled oscillator which is based on the principle of constant charge and discharge current. The output with good linearity among a wide frequency range is obtained without using any special linearization method. 本文介绍一种基于恒流充放电原理的压控振荡器,它不必采用专门的线性化措施,就可得到频率范围宽、线性度好的输出。
A piecewise linear, wide tuning-range, complementary cross-coupled integrated voltage-controlled oscillator was designed based on tuning-capacitance structure using on-chip inductor and varactor in 0.18 μ m CMOS process. 基于0.18μm工艺,采用片上电感和可变电容,设计了一种基于开关调谐电容结构的宽可调范围的分段线性互补型交叉耦合CMOS集成压控振荡器。
A voltage-controlled oscillator ( VCO) consisting of a FET oscillator and a GaAs hyperabrupt varactor is presented in this paper. 本文叙述了一种利用FET振荡管和GaAs超突变结变容二极管构成的电压控制振荡器(VCO)。
A High Power Supply Noise Rejection and High Linearity Range CMOS Voltage-Controlled Oscillator 一种高电源噪声抑制宽线性范围CMOS压控振荡器设计
We briefly introduce two types of ring oscillator that are used widely in IC as on-chip clock source: the RC ring oscillator and the voltage-controlled oscillator, we also pay attention to the key factor that influence the frequency. 本文介绍了两种在集成电路中得到广泛应用的、作为内部时钟源的环形振荡器:RC环形振荡器和电压控制环形振荡器,并对引起振荡频率变化的关键因素进行了分析。
It is described the design of a voltage-controlled oscillator for the DCS-1800 system. The center frequency of the oscillator is 3.6 GHz. 介绍了一种适用于DCS1800系统的压控振荡器的设计,中心频率为3.6GHz。
In this CPPLL circuit design, we bring forward a new voltage-controlled way, namely presents a ring voltage-controlled oscillator via MOS capacitance of saturation region tuning. 在此电荷泵锁相环电路设计中,本文提出了一种对环形压控振荡器(RVCO)进行压控的方法,即设计了由饱和区MOS电容来调谐的环形压控振荡器。
A Voltage-Controlled Oscillator with a X-Band Microstrip FET X波段微带集成FET的压控振荡器
Voltage-controlled oscillator ( VCO) is one of the most important parts of frequency synthesizer. 压控振荡器(VCO)是频率合成器的重要组成部分。
A Low-noise Common-mode Voltage-controlled Oscillator 低噪声共模压控振荡器噪声的危害与控制
Investigation of power spectral density of a voltage-controlled oscillator 压控振荡器功率谱密度的研究
A differentially controlled quadrature voltage-controlled oscillator ( QVCO) is employed to generate quadrature ( I/ Q) signals. 采用差分控制正交耦合压控振荡器实现I/Q信号的产生。
A Low-noise Common-mode Voltage-controlled Oscillator Study on the Super-cooling Phenomenon for Ice of Salt Eutectic 低噪声共模压控振荡器低共熔冰过冷问题的研究
The BST thin films varactor used in voltage-controlled oscillator were fabricated using micro-fabricated techniques in this paper. 采用微细加工技术研制压控振荡器用BST薄膜变容管。
The voltage-controlled oscillator, for frequency synthesizer, that is a core component of the circuit. 而压控振荡器对于频率合成器而言,也是核心部件电路。
Because of controllable frequency, CMOS voltage-controlled oscillator ( VCO) has become the mainstream of the internal oscillator in the PLL. CMOS压控振荡器(VCO,VoltageControlledOscillator)由于具有频率可控的优点而成为PLL内部振荡器的主流设计形式。
Reducing the module of the frequency source becomes smaller, and improving the cost-effective construction to achieve the integration of frequency source module is the current urgent requirements for the communications systems. the use of CMOS technology, design an integrated voltage-controlled oscillator play important roles. 不断减小频率源模块的体积,提高性价比,实现频率源模块的集成是当前通信系统的迫切要求,使用CMOS工艺研究、设计集成压控振荡器具有十分重要的意义。
While as the key unit, voltage-controlled oscillator ( VCO) generate the output clock signal of PLLs, and its identity directly decide the capability of the PLLs. 而作为锁相环的关键部件,压控振荡器(Voltage-ControlledOscillator,VCO)产生锁相环的输出时钟信号,其特性直接决定锁相环性能的好坏。
Especially, the realization of high quality on-chip passive elements such as inductors and varactors make on-chip implementation of LC voltage-controlled oscillator ( VCO) possible. 尤其是高品质因数电感和可变电容等无源器件的片上实现,让电感电容压控振荡器(LCVCO)的单片集成已成为可能。
The PLL often needs large output tuning range to adapt the requirement of wideband communication, so the wide band single/ multiple core Voltage-Controlled Oscillator ( VCO) is often adopted. 锁相环往往需要有较大的输出频率范围来适应宽带通信的需求,所以锁相环的核心模块电压控制振荡器一般使用单或多核宽带结构。
Because the wideband voltage-controlled oscillator which using the varactor diode as a tuning device has the advantage of small size, low cost, flexible design, it represent a significant proportion at wideband voltage-controlled oscillators. 以变容二极管作为调谐器件的表贴型宽带压控振荡器因体积小、成本低、设计灵活等优点,在宽带压控振荡器中占有很大比例。
Voltage-controlled oscillator ( VCO), which outputs frequency controlled by varying voltage is a key component in frequency generator. 压控振荡器(VCO)是一种振荡频率随外加控制电压变化的振荡器,是频率产生源的关键部件。