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.
And remember: if you use a quote but don't give credit to the original author, that is considered plagiarism. In addition to putting the quotes in the essay, you'll have to provide a reference page at the end of your essay. If you want to know how to put a quote in an essay, see Step 1 below to get started.