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spectrum analyzer可在整个频率范围内测量输入信号的幅度与频率的关系，从而确定信号的功率。 频谱分析仪能够进行噪声系数和信噪比（SNR）等测试，表征器件的性能及其对整体系统性能的贡献。 如欲了解更多信息，请参阅应用指南《频谱分析基础知识》。
A programmable DC power supply is connected to the device under test through wires connected to a DC power panel. Engineers can set voltage or current levels to power the device for testing. The DC power supply is a programmable DC power supply.
View Full VersionMany people use digital multimeters to easily measure current, voltage, resistance, etc. However, there is a drawback to using a digital multimeter to measure current, namely: the circuit must be disconnected and the digital multimeter must be connected in series with the circuit under test in order to make the measurement. In this case, a current probe can be used instead of a digital multimeter to make measurements. Since the electrical connection of the circuit is no longer required, the current probe is more time-consuming...
View Full Version实时频谱分析仪可以先在时域中收集数据，然后通过快速傅立叶变换（FFT）将其转换为频域数据。 实时频谱分析仪能够迅速捕获瞬态和快速信号。 ,
View Full VersionA multimeter is an instrument that can measure a wide range of parameters, such as alternating (AC) or direct current (DC) voltage, AC or DC current, resistance, temperature, capacitance, and so on. Modern digital multimeters use digital and logic technology to become smaller and smaller with more and more built-in functions. By introducing digital technology, digital multimeters can provide graphical displays, data logging and signal digitization as well as...
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