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.
The Harvard referencing system includes the author, the date of the work and the page number in brackets in the body of the text, immediately following the quote or reference.his simple guide should explain how to reference your essay in either style. Referencing is the practice of ensuring that every time you cite a book or study (or indeed any piece of work) by another writer you accurately inform your reader of your source.