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.
Dream on. If there's ANYTHING that comes from any other place than your own mind, you have to say where you got it, no matter if you quote or paraphrase. Otherwise, it's plagiarism. There is one other situation where you will use quotes -- extensively -- in your essays: writing dialogues to liven up anecdotes. 1  Dialogue. 2  Paragraphing. 3  Punctuating spoken words (inside the quotation marks) 4  Said tags. 5  Punctuating quotes (along with said tags)