By using a ring voltage controlled oscillator(VCO),chip area and production cost were saved.

通過(guò)采用環(huán)行壓控振蕩器,節(jié)省了芯片面積和成本。

This paper presents the design and the experimental measurements of two CMOS LC-tuned voltage controlled oscillators (VCO) implemented in a 0.

18μm 6層金屬混合信號(hào) /射頻CMOS工藝設(shè)計(jì)的 2個(gè)LC諧振壓控振蕩器及測(cè)試結(jié)果 ,并給出了優(yōu)化設(shè)計(jì)的方法和步驟 。

The voltage controlled oscillator has used the str.

這種鎖相頻率合成器的各個(gè)部件都進(jìn)行了優(yōu)化設(shè)計(jì),其中鑒相器采用了加入反相器鏈取出輸入信號(hào)邊沿的結(jié)構(gòu)很好的消除了鑒相死區(qū);電荷泵采用了差分電路結(jié)構(gòu)消除了跳躍現(xiàn)象;壓控振蕩器采用了電流模驅(qū)動(dòng)延遲環(huán)結(jié)構(gòu)得到了優(yōu)良的性能;尤其是分頻器的設(shè)計(jì)采用了內(nèi)、外兩分頻器的結(jié)構(gòu),通過(guò)改變兩個(gè)分頻器的倍頻數(shù)N和M的值,可以合成多種時(shí)鐘頻率。

Design of a 1.8GHz Wide-Band,Low-Phase-Noise CMOS VCO;

1.8GHz寬帶低相位噪聲CMOS壓控振蕩器設(shè)計(jì)

Design of low phase-noise, wide band LC VCO;

低相位噪聲、寬調(diào)諧范圍LC壓控振蕩器設(shè)計(jì)

Design of a voltage-controlled oscillator based on MOS capacitance;

基于MOS電容的壓控振蕩器設(shè)計(jì)

CMOS voltage-controlled oscillator with automatic amplitude control;

具有自動(dòng)振幅控制的CMOS壓控振蕩器

A 5GHz voltage-controlled oscillator with 5-bit calibration;

一種提供5位頻帶切換控制的5GHz壓控振蕩器

A numerically controlled oscillator applied to The DSSS baseband processor is presented.

本文介紹了一種基于FPGA的擴(kuò)頻基帶處理器的結(jié)構(gòu)和基本原理,闡述了實(shí)現(xiàn)數(shù)控振蕩器NCO(Numerically Controlled Oscillator)所使用的迭代算法,并對(duì)仿真結(jié)果進(jìn)行了分析說(shuō)明。

Based on look-up table and CORDIC (Coordinate Rotation Digital Computer) algorithm, a method for implementing a numerically controlled oscillator (NCO) is described in the paper.

研究了一種基于查找表和CORDIC(Coordinate Rotation Digital Computer)算法相結(jié)合的數(shù)控振蕩器(NCO)的實(shí)現(xiàn)方法,與僅基于查找表的方法相比,該方法結(jié)構(gòu)簡(jiǎn)單、精度高、耗費(fèi)資源少。

This method overcomes the shortcoming of traditional Numerically Controlled Oscillator(NCO) that has a big look up table.

該設(shè)計(jì)方法克服了傳統(tǒng)的數(shù)控振蕩器(NCO)查找表(LUT)大的缺點(diǎn),且該算法模塊同時(shí)實(shí)現(xiàn)數(shù)控振蕩器和混頻器的功能,省去了2個(gè)硬件乘法器。

FPGA Implementation and Simulation of NCO in UAV Telemetry & Control System

無(wú)人機(jī)測(cè)控系統(tǒng)中數(shù)控振蕩器的FPGA實(shí)現(xiàn)與仿真

The working principle of NCO(Numerically Controlled Oscillator) is introduced in this paper,and a method to generate multiple sine waves with DSP using NCO is also presented.

詳細(xì)論述了數(shù)控振蕩器的工作原理,介紹了使用DSP實(shí)現(xiàn)數(shù)控振蕩器的功能和產(chǎn)生多路正弦波的方法。

The realizing method of DDS with FPGA and the numerical controlled oscillator(NCO) design method of TOM finding-table and phase counter are introduced in detail.

介紹了利用現(xiàn)場(chǎng)可編程邏輯門陣列(FPGA)實(shí)現(xiàn)直接數(shù)字頻率合成信號(hào)發(fā)生器(DDS)的原理,重點(diǎn)介紹了DDS技術(shù)在FPGA中的實(shí)現(xiàn)方法以及數(shù)控振蕩器(NCD)的ROM查找表設(shè)計(jì)和相位累加器設(shè)計(jì),給出了采用FPGA芯片進(jìn)行直接數(shù)字頻率合成信號(hào)發(fā)生器的仿真結(jié)果以及系統(tǒng)頂層設(shè)計(jì)原理圖。

sound surface wave pressure control oscillator

聲表面波壓控振蕩器

The Correction on an Oscillating Period Calculating Formula of 555 Voltage Controlled Oscillator;

555壓控振蕩器振蕩周期計(jì)算公式的修正

Design of VCO in Digital TV Tuner;

數(shù)字電視調(diào)諧器中壓控振蕩器的設(shè)計(jì)

Analysis of an Integrated Realizable Low-Phase Noise VCO

低噪聲集成壓控振蕩器噪聲性能分析

The Design of 1.8GHz Low-Noise Wide-Band VCO;

1.8GHz低噪聲、寬帶LC壓控振蕩器

The Design of High Performance Integrated LC VCO;

高性能集成電感電容壓控振蕩器設(shè)計(jì)

Design of Wide Tuning Range and Low Power CMOS VCO;

寬頻帶低功耗CMOS壓控振蕩器設(shè)計(jì)

Design of RF CMOS VCO for 3G Application;

應(yīng)用于3G的射頻CMOS壓控振蕩器的設(shè)計(jì)

Design of a Voltage-Controlled-Oscillator for PLL;

一種用于鎖相環(huán)的壓控振蕩器的設(shè)計(jì)

Design of Voltage-Controlled Oscillator with Wide Tuning Range, High Linearity and Low Phase Noise;

寬調(diào)諧高線性低相噪壓控振蕩器設(shè)計(jì)

Analyze Voltage-controlled Oscillator with Protel 99SE Simulation Software;

用Protel 99SE仿真軟件分析壓控振蕩器電路

A Radiation-hardened-by-design Differential Voltage-controlled Oscillator Implemented in 0.18μm CMOS Process

一款0.18μm CMOS輻射加固差分壓控振蕩器

The Comparison and Design of Two Types of High Frequency Integrated CMOS Voltage-Controlled Oscillator

兩種高頻CMOS壓控振蕩器的設(shè)計(jì)與研究

Study of a Wideband LC VCO Based on CMOS Technology

基于CMOS工藝寬帶LC壓控振蕩器研究

Research on Single-event Transients in Differential Voltage-controlled Oscillators

差分壓控振蕩器中單粒子瞬變的研究

Design of Ultra Low Phase Noise LC VCO

超低相位噪聲LC壓控振蕩器的設(shè)計(jì)

A New Study Method on Dielectric Resonator Oscillator

一種研究介質(zhì)諧振壓控振蕩器的新方法

A SORT OF NUMERICAL CONTROL OF ACCURATE VOLTAGECONTROLLED OSCILLATOR AND ITS TIME ERROR;

一種數(shù)控精密壓控振蕩器及其時(shí)間誤差