It's just a signal generator, an AC voltmeter, and a phase meter, gussied up with attenuators and digital displays. They're usually VERY expensive as you want the network analyzer to be perfectly flat in amplitude and phase, which takes a lit of very precise analog electronics and tuning to do.
Two, you should always insert quotation marks at the beginning and at the end of your quote to indicate that the sentence in your paragraph is borrowed from another source. 1  Examples: 2  You may also want to read how to quote in an essay, or how to quote in APA, or how to quote in MLA.
Always put the in-text citation in parentheses before the period and after the quotation marks or after the name of the author or the title of the source. Now that you know the basic principles on how to quote in MLA, you may also want to read how to quote in APA, or how to quote in an essay, or how to quote, or know more about direct quotes.