Comparison of spectrum analyzer and oscilloscope
Traditionally, electrical signals are observed in the time domain with an oscilloscope. The time domain is for the characteristics of electrical signals: the relationship between recovery time and phase. However, not all circuit characteristics can be fully characterized in the time domain. Circuit components, such as amplifiers, oscillators, mixers, modulators, detectors, and filters, are best characterized by frequency response data. Observe the best results in the frequency domain. In order to measure the frequency domain, it is necessary to identify the components of each frequency and to read the level of each frequency component. One of the instruments is a spectrum analyzer, which can graphically display the amplitude and other parameters relative to frequency on the oscilloscope screen.
The spectrum analyzer is more sensitive to low-level distortion than an oscilloscope. The sine wave can be seen on the oscilloscope (time domain), but in the frequency domain, its harmonic distortion can be seen. The high sensitivity and wide dynamic range also allow the spectrum analyzer to measure low-level modulation. It can measure RF signals of amplitude modulation, frequency modulation and pulse modulation. The spectrum analyzer can measure the carrier frequency, modulation frequency, modulation level and modulation distortion. It can also measure the characteristics of inverter components, such as frequency conversion loss, isolation and distortion, which can be read from the display.
The spectrum analyzer can be used to measure long-term and short-term frequency stability. For example, the noise sideband of the oscillator, the remaining frequency modulation and the frequency drift during the warm-up time can be measured by the calibrated bandwidth of the spectrum analyzer. Together with the spectrum analyzer sweep measurement, the sweep response of the filter or amplifier can be measured. It can be realized simply by using the tracking generator.
Choosing a spectrum analyzer can be a good way to check and analyze the signal frequency of wired and wireless systems such as remote controllers, walkie-talkies, measurement transmitters and receivers, cordless telephones, CATV CATVs and communication machines.
Electromagnetic compatibility test (EMC): The function of measuring harmful electromagnetic waves emitted from various electronic equipment. In addition, the PHONE (headphone) jack can also output AM / FM detection signals, which can be used to identify broadcast signals that are affected by noise. From a certification point of view, measuring the radiation noise first is a very effective measurement for prior evaluation research Features.
It can also be widely used in teaching and scientific research. Beijing Ocean Industrial Technology Co., Ltd. recently introduced a full range of high, middle and low spectrum analyzers, allowing users to truly see the images developed by Fourier series of electrical signals (such as radio frequency pulse signals), which is easier to understand in teaching and more in scientific research clear.
Panya presents a fireplace grate for all seasons.
Panya have an extensive line of Fireplace Accessories. While it includes many new items, all are made from quality materials with utmost attention to detail.
Whether the look is classic, casual, contemporary, or somewhere in between. Panya offers this comprehensive collection of decorative and practical fireplace accessories ranging from the very basic to the hottest new styles.
Panya combines the smithy's ancient hand craftsmanship with modern day manufacturing methods to produce
Fireplace Grates,Steel Fireplace Grate,Cast Fireplace Grate,Hearth Fireplace Grate
Tianjin Panyam Garden & Horticultural Products Co., Ltd. , https://www.panyahomegarden.com