Introduction to Swept Spectrum Analyzer
●Spectrum analyzers based on swept super heterodyne designs are very popular. This is due, in part, to their low noise, ease of use, and ability to differentiate between signals that have very close frequencies.
●First, a little history. The full name of super-heterodyne is supersonic heterodyne. The basic design was created by US Engineer Edwin Armstrong in 1918, near the end of World War I. Supersonic refers to waves with frequencies that are higher than those within the range of human hearing (31Hz to 21kHz). Heterodyne is a contraction of the Greek words hetero- which means "different" and -dyne which means "power".
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Supplier and Product Introduction |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2019/09/06 |
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