The present invention relates to a digital circuit, a clock, discloses a digital phase detector, so that the same frequency phase clock phase accuracy is improved. 这种数字鉴相器包含:延时模块,用于根据一个鉴相时钟信号产生多个不同相位的鉴相时钟信号;鉴相模块,用于对所述延时模块提供的所述多个不同...
DPLL is termed a clock-recovery circuit or bit synchronization circuit Phase Detector (PD) 分为 XOR PD和 PFD两种. XOR PD, 上升沿在data的中间. PFD上升沿在data开始 PLL主要模块: Phase Detector 类似EA, 放大 data in和dclock的 time difference. 送到 Loop filter. 经过Voltage-controlled oscillator ...
For swept analysis, the filtered I and Q pairs are converted to magnitude and phase pairs. For traditional swept analysis, the magnitude signal is video-bandwidth (VBW) filtered and samples are taken through the display detector circuit. The log/linear display selection and dB/ division scaling ...
1)digital phase-sensitive detector(DPSD)数字相敏检波器 1.Electrical impedance tomography(EIT) system must have the properties of high precision and speed,thus the digital phase-sensitive detector(DPSD) based on the field programmable gate array(FPGA) is developed for data collection of EIT.电阻抗...
电阻抗成像对测量系统的精度和速度都有较高要求,为此研制了基于现场可编程门阵列(field programmable gate array,FPGA)的数字相敏检波器(digital phase-sensitive detector,DPSD)用于电阻抗成像的数据测量。 Electrical impe...
The logic circuit may be configured to generate a clock signal in response to the first output signal and the second output signal.doi:US6683930 B1Kamal DalmiaUSU.S. Appl. No. 09/470,665: " Digital Phase/Frequency Detector, and Clock Generator and Data Recovery PLL Containing the Same, "...
The second circuit may generate phase correction signal for indicating - digital conversion of the digital signal. 锁相环可包括接收该数字信号的第三电路. PLL circuitry may include receiving the third digital signal. 第三电路可产生用于表示数字信号的转换电压的控制信号. The third circuit may generate ...
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A digital phase-locked loop and a digital phase-frequency detector thereof are provided. The digital PFD includes a divisor switch unit, a low-resolution phase-error detecting unit,