文件名称:AD9854_Template
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本系统是基于零中频正交解调原理的简易频率特性测试仪,用于检测被测网络的幅频特性和相频特性。该系统主要包括DDS集成模块,RLC串联谐振电路,乘法器电路,低通滤波器,同相放大器和测量显示模块,其中RLC串联谐振电路作为被测网络。本系统以DDS
集成模块为核心,将其产生的正交扫频信号通过被测网络后,经乘法器得到高频信号;这两个信号经过低通滤波、同相放大后得到符合要求的I、Q直流分量;最后通过单片机进行ADC
采样、数据处理和液晶显示,得到被测网络的幅频特性和相频特性。本系统在算法上的创新之处是,在测量之初,采用短接被测网络即内测校准的方法减小了系统误差。经最终测试,本系统能很好地完成被测网络的频率特性测试。
-This system is based on the principle of zero-IF quadrature demodulator simple frequency characteristic tester for detecting measured amplitude-frequency characteristics and phase-frequency characteristics of the network. The system includes an integrated module DDS, RLC series resonant circuit, multiplier circuit, a low-pass filter, inverting amplifier and measurement display module, which RLC series resonant circuit as a test network. This system DDS
Integrated module as the core, which produces orthogonal sweep through the network under test, by the multiplier to obtain a high-frequency signal the two low-pass filtered signal, amplifying get back in line with the requirements of the I, Q DC component Finally, the single-chip ADC
Sampling, data processing and liquid crystal display to obtain the measured amplitude-frequency characteristics and phase-frequency characteristics of the network. The innovations in the algorithm is that the beginning of the measure, using short test ne
集成模块为核心,将其产生的正交扫频信号通过被测网络后,经乘法器得到高频信号;这两个信号经过低通滤波、同相放大后得到符合要求的I、Q直流分量;最后通过单片机进行ADC
采样、数据处理和液晶显示,得到被测网络的幅频特性和相频特性。本系统在算法上的创新之处是,在测量之初,采用短接被测网络即内测校准的方法减小了系统误差。经最终测试,本系统能很好地完成被测网络的频率特性测试。
-This system is based on the principle of zero-IF quadrature demodulator simple frequency characteristic tester for detecting measured amplitude-frequency characteristics and phase-frequency characteristics of the network. The system includes an integrated module DDS, RLC series resonant circuit, multiplier circuit, a low-pass filter, inverting amplifier and measurement display module, which RLC series resonant circuit as a test network. This system DDS
Integrated module as the core, which produces orthogonal sweep through the network under test, by the multiplier to obtain a high-frequency signal the two low-pass filtered signal, amplifying get back in line with the requirements of the I, Q DC component Finally, the single-chip ADC
Sampling, data processing and liquid crystal display to obtain the measured amplitude-frequency characteristics and phase-frequency characteristics of the network. The innovations in the algorithm is that the beginning of the measure, using short test ne
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下载文件列表
AD9854_Template/AD9854_Template/AD9854.lst
AD9854_Template/AD9854_Template/AD9854.obj
AD9854_Template/AD9854_Template/AD9854_Template
AD9854_Template/AD9854_Template/AD9854_Template.build_log.htm
AD9854_Template/AD9854_Template/AD9854_Template.hex
AD9854_Template/AD9854_Template/AD9854_Template.lnp
AD9854_Template/AD9854_Template/AD9854_Template.M51
AD9854_Template/AD9854_Template/AD9854_Template.plg
AD9854_Template/AD9854_Template/AD9854_Template.uvgui.Administrator
AD9854_Template/AD9854_Template/AD9854_Template.uvgui_Administrator.bak
AD9854_Template/AD9854_Template/AD9854_Template.uvopt
AD9854_Template/AD9854_Template/AD9854_Template.uvproj
AD9854_Template/AD9854_Template/AD9854_Template_uvopt.bak
AD9854_Template/AD9854_Template/AD9854_Template_uvproj.bak
AD9854_Template/AD9854_Template/ADC.lst
AD9854_Template/AD9854_Template/ADC.obj
AD9854_Template/AD9854_Template/ADC.__i
AD9854_Template/AD9854_Template/ADC0_Poll1.lst
AD9854_Template/AD9854_Template/ADC0_Poll1.obj
AD9854_Template/AD9854_Template/ADC0_Poll1.__i
AD9854_Template/AD9854_Template/Device.lst
AD9854_Template/AD9854_Template/Device.obj
AD9854_Template/AD9854_Template/hui.c
AD9854_Template/AD9854_Template/hui.h
AD9854_Template/AD9854_Template/hui.LST
AD9854_Template/AD9854_Template/hui.OBJ
AD9854_Template/AD9854_Template/hui.__i
AD9854_Template/AD9854_Template/inc/AD9854.h
AD9854_Template/AD9854_Template/inc/ADC.h
AD9854_Template/AD9854_Template/inc/c8051F020.h
AD9854_Template/AD9854_Template/inc/DataType.h
AD9854_Template/AD9854_Template/inc/Device.h
AD9854_Template/AD9854_Template/inc/Font.h
AD9854_Template/AD9854_Template/inc/key.h
AD9854_Template/AD9854_Template/inc/lcd.h
AD9854_Template/AD9854_Template/inc/Timer0_16bitTimer.h
AD9854_Template/AD9854_Template/keilkilll.bat
AD9854_Template/AD9854_Template/key.lst
AD9854_Template/AD9854_Template/key.obj
AD9854_Template/AD9854_Template/lcd.lst
AD9854_Template/AD9854_Template/lcd.obj
AD9854_Template/AD9854_Template/lcd.__i
AD9854_Template/AD9854_Template/love.uvopt
AD9854_Template/AD9854_Template/main.c
AD9854_Template/AD9854_Template/main.h
AD9854_Template/AD9854_Template/main.LST
AD9854_Template/AD9854_Template/main.OBJ
AD9854_Template/AD9854_Template/src/AD9854.c
AD9854_Template/AD9854_Template/src/ADC.c
AD9854_Template/AD9854_Template/src/ADC0_Poll1.c
AD9854_Template/AD9854_Template/src/Device.c
AD9854_Template/AD9854_Template/src/key.c
AD9854_Template/AD9854_Template/src/lcd.c
AD9854_Template/AD9854_Template/src/Timer0_16bitTimer.c
AD9854_Template/AD9854_Template/Timer0_16bitTimer.lst
AD9854_Template/AD9854_Template/Timer0_16bitTimer.obj
AD9854_Template/AD9854_Template/Timer0_16bitTimer.__i
AD9854_Template/AD9854_Template/inc
AD9854_Template/AD9854_Template/src
AD9854_Template/AD9854_Template
AD9854_Template
AD9854_Template/AD9854_Template/AD9854.obj
AD9854_Template/AD9854_Template/AD9854_Template
AD9854_Template/AD9854_Template/AD9854_Template.build_log.htm
AD9854_Template/AD9854_Template/AD9854_Template.hex
AD9854_Template/AD9854_Template/AD9854_Template.lnp
AD9854_Template/AD9854_Template/AD9854_Template.M51
AD9854_Template/AD9854_Template/AD9854_Template.plg
AD9854_Template/AD9854_Template/AD9854_Template.uvgui.Administrator
AD9854_Template/AD9854_Template/AD9854_Template.uvgui_Administrator.bak
AD9854_Template/AD9854_Template/AD9854_Template.uvopt
AD9854_Template/AD9854_Template/AD9854_Template.uvproj
AD9854_Template/AD9854_Template/AD9854_Template_uvopt.bak
AD9854_Template/AD9854_Template/AD9854_Template_uvproj.bak
AD9854_Template/AD9854_Template/ADC.lst
AD9854_Template/AD9854_Template/ADC.obj
AD9854_Template/AD9854_Template/ADC.__i
AD9854_Template/AD9854_Template/ADC0_Poll1.lst
AD9854_Template/AD9854_Template/ADC0_Poll1.obj
AD9854_Template/AD9854_Template/ADC0_Poll1.__i
AD9854_Template/AD9854_Template/Device.lst
AD9854_Template/AD9854_Template/Device.obj
AD9854_Template/AD9854_Template/hui.c
AD9854_Template/AD9854_Template/hui.h
AD9854_Template/AD9854_Template/hui.LST
AD9854_Template/AD9854_Template/hui.OBJ
AD9854_Template/AD9854_Template/hui.__i
AD9854_Template/AD9854_Template/inc/AD9854.h
AD9854_Template/AD9854_Template/inc/ADC.h
AD9854_Template/AD9854_Template/inc/c8051F020.h
AD9854_Template/AD9854_Template/inc/DataType.h
AD9854_Template/AD9854_Template/inc/Device.h
AD9854_Template/AD9854_Template/inc/Font.h
AD9854_Template/AD9854_Template/inc/key.h
AD9854_Template/AD9854_Template/inc/lcd.h
AD9854_Template/AD9854_Template/inc/Timer0_16bitTimer.h
AD9854_Template/AD9854_Template/keilkilll.bat
AD9854_Template/AD9854_Template/key.lst
AD9854_Template/AD9854_Template/key.obj
AD9854_Template/AD9854_Template/lcd.lst
AD9854_Template/AD9854_Template/lcd.obj
AD9854_Template/AD9854_Template/lcd.__i
AD9854_Template/AD9854_Template/love.uvopt
AD9854_Template/AD9854_Template/main.c
AD9854_Template/AD9854_Template/main.h
AD9854_Template/AD9854_Template/main.LST
AD9854_Template/AD9854_Template/main.OBJ
AD9854_Template/AD9854_Template/src/AD9854.c
AD9854_Template/AD9854_Template/src/ADC.c
AD9854_Template/AD9854_Template/src/ADC0_Poll1.c
AD9854_Template/AD9854_Template/src/Device.c
AD9854_Template/AD9854_Template/src/key.c
AD9854_Template/AD9854_Template/src/lcd.c
AD9854_Template/AD9854_Template/src/Timer0_16bitTimer.c
AD9854_Template/AD9854_Template/Timer0_16bitTimer.lst
AD9854_Template/AD9854_Template/Timer0_16bitTimer.obj
AD9854_Template/AD9854_Template/Timer0_16bitTimer.__i
AD9854_Template/AD9854_Template/inc
AD9854_Template/AD9854_Template/src
AD9854_Template/AD9854_Template
AD9854_Template
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