The invention provides a solution to reduce locking time with satisfactory performance without the need for significant footprint area for the phase lock loop circuits by boosting phase frequency detector and charge pump gains through various circuitry configurations that employ one or more flip-flops,...
网络释义 1. 相位频率侦测器 ...ocin.com豆丁网 50MHz 的参考频 率、相位频率侦测器(Phase-Frequency Detector)、电荷帮浦( Charge-Pump, CP )、回… www.showxiu.com|基于8个网页 2. 鉴频鉴相器 移相鉴频器,phase... ... ) phase frequency detector 鉴频鉴相器 )phase-frequency detector鉴频鉴相器...
A.相位频率侦测器(PhaseFrequencyDetector,PFD).doc,5GHz鎖相迴路設計 專題生: 湯姆克魯斯、om Cruise 指導教授: xxx ( 摘要—隨著科技的進步,產業技術不斷的進步,功耗已成為現今的射頻積體電路(RFIC)主要的設。 關鍵字— 導論 Times New Roman。大小為10,左右對齊。導
A. 相位頻率偵測器(PhaseFrequencyDetector,PFD) 設計相位頻率偵測器時,主要有幾個重要的考量,一個是可以偵測相位差的最小值,另一個是最高可操作的頻率,而且其線性度也很重要。在鎖相迴路中,相位頻率偵測器可偵測相位差可偵測的最小值通常是有其極限。
A simple precharged CMOS phase frequency detector We propose a simple precharged CMOS phase frequency detector (PFD). The circuit uses 18 transistors and has a simple topology. Therefore, the detector, in ... HO Johansson - IEEE J. Solid-State Circuits 被引量: 289发表: 1998年 A high spee...
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Phase-frequency detector (PFD) forms control signal for VCO tuning. PFD compares phases of divided VCO signal and divided reference oscillator signal ...
phase frequency detector, wherein the phase interpolator comprises a quadrature generator, an input conditioner, a phase rotator, a current mode logic (CML... D Petrov,E Nir 被引量: 0发表: 2022年 A DPLL with a Modified Phase Frequency Detector to Reduce Lock Time A new phase frequency dete...
Phase/Frequency DetectorPFD includes UP and DOWN signal modules, and RESET signal module. UP and DOWN signal modules transmit UP and DOWN signals according to reference and fed-back clock signals. RESET module includes UP-RESET and DOWN-RESET signal modules. UP-RESET signal module resets UP ...
In order to improve the performance of the existing phase frequency detectors (PFDs),a systematical analysis of the existing PFDs is presented.Based on the circuit architecture,both classifications and comparisons are made.A new robust CMOS phase frequency detector for a high speed and low jitter ...