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.
Quote as infrequently as possible. You never want your essay to become a series of connected quotations, because that leaves little room for your own ideas. Most of the time, paraphrasing and summarizing your sources is sufficient (but remember that you still have to cite them!). If you think itâs important to quote something, an excellent rule of thumb is that for every line you quote, you should have at least two lines analyzing it.