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8 hints for better spectrum analysis

Posted: 16 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:spectrum analyzer? signal? audio?

The spectrum analyzer, like an oscilloscope, is a basic tool used for observing signals. Where the oscilloscope provides a window into the time domain, the spectrum analyzer provides a window into the frequency domain.

Superheterodyne means to mix or to translate in a frequency above audio frequencies. In the analyzer, a signal at the input travels through an attenuator to limit the amplitude of the signal at the mixer, and then through a low-pass input filter to eliminate undesirable frequencies.

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