相位检测器 meaning in Chinese
pd phase detector
phase detector
Examples
- The signal generator of sweep frequency is based on dds device ad9954 , the signal measuring circuit is based on gain and phase detector ad8302 , the real - time control and deal circuit is based on tms320vc5409 , and the periphery interface circuit is based on at89s52 . the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz , and with the power range from - 45dbm to + 18dbm . it can measure the gain and phase of the network , display the measure data by liquid crystal displayed and print it by the printer
该测试仪以dds芯片ad9954为核心构成扫频信号源电路,以增益相位检测器ad8302为核心构成检测电路,以dsp芯片tms320vc5409为核心构成控制与运算电路,以及以at89s52为核心构成外围接口电路。该测试仪能产生频率范围达100k ~ 100mhz ,功率范围为- 45dbm ~ + 18dbm的扫频信号,能对被测网络的频率特性进行测量,并留有丰富的外围接口,可以将测量数据绘图通过lcd显示或者由打印机打印输出。 - In the paper , the design of the real - time test system for crystal parameters is presented . the signal generator of sweep frequency based on dds device ad9852 , the signal measuring circuit based on gain and phase detector ad8302 , and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details
本文阐述了晶振实时测量系统的设计，介绍了以dds芯片ad9852为核心的扫频信号源电路，以增益相位检测器ad8302为核心的信号检测电路，以dsp芯片tms320vc5416为核心的实时控制与运算电路，以及高速数模混合电路板的设计方法。