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频谱分析仪有什么用?
用户名:j******
|分类:教育
|
2014-03-15 13:33
只用过示波器,没用过频谱仪,请问频谱仪有什么用?一般哪些电子产品或测量电子产品的哪些指标参数需要用频谱仪?频谱仪的探头是什么样的,和示波器探头一样去接触元器件引脚吗?
2014-03-17 12:04
唐强 讲师
来自武汉摩恩电气有限公司
频谱分析仪是研究电信号频谱结构的仪器,用于信号失真度、调制度、谱纯度、频率稳定度和交调失真等信号参数的测量,可用以测量放大器和滤波器等电路系统的某些参数,是一种多用途的电子测量仪器。它又可称为频域示波器、跟踪示波器、分析示波器、谐波分析器、频率特性分析仪或傅里叶分析仪等。现代频谱分析仪能以模拟方式或数字方式显示分析结果,能分析1赫以下的甚低频到亚毫米波段的全部无线电频段的电信号。仪器内部若采用数字电路和微处理器,具有存储和运算功能;配置标准接口,就容易构成自动测试系统。
频谱分析仪是研究电信号频谱结构的仪器,用于信号失真度、调制度、谱纯度、频率稳定度和交调失真等
信号参数的测量,可用以测量放大器和滤波器等电路系统的某些参数,是一种多用途的电子测量仪器。它又可称为频域示波器、跟踪示波器、分析示波器、谐波分析器、频率特性分析仪或傅里叶分析仪等。现代频谱分析仪能以模拟方式或数字方式显示分析结果,能分析1赫以下的甚低频到亚毫米波段的全部无线电频段的电信号。仪器内部若采用数字电路和微处理器,具有存储和运算功能;配置标准接口,就容易构成自动测试系统。
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频谱分析仪是研究电信号频谱结构的仪器,用于信号失真度、调制度、谱纯度、频率稳定度和交调失真等
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其他 1 条热心网友回答
yin4522
2014-03-15 13:44
频谱仪
用在VHF-UHF高频范围以上的仪器,可以直观地观察,频率的振幅,频宽,甚至可以观察震荡波形。
样子很像示波器。可以直接接触测试 ,也可以非接触的测试。看你使用在什么产品的生产了
使用于生产接收机,机顶盒的测试,是不可缺少的仪器
一般使用在500MC 以下的比较便宜
到了1000MC是一个等级
1000MC以上的 很多都是数码的仪器
国产的品系很多,也很便宜。就是稳定性差一点。我使用的是德国的Hamag.
很稳定。价格也比较高。
有问题再联系了
- 追问 :
-
频谱仪探头是接触到待测元器件点位吗?
- 回答 :
-
不是,他不是针对原件而是使用于成品,就是针对成品测试他们的高频频宽,调试合适的中心频宽,作为,超高频以上发射或接收的模块或成品的测试工具yin4522@163.com
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提问者评价:
好评 很专业、很仔细!