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.
4. Multiple authors reference. If the source is written by multiple authors, then you should state last names of all of them, at least in the first reference within the essay. Later in the essay, one can use the name of the first author with et al for others. Reference list. 2  Reference list is a must when you use in-text references, for you need to present the full information about the sources used.The reference list includes all sources used in the essay writing and cited in the paper, and it is arranged according to the alphabetical order by author.