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.
When you quote something which is more than one sentence long, the quote should be single- spaced and indented from the rest of the text. Also, in this form, there is no need for quotation marks around the quote. A footnote or similar citation, however, IS necessary (see handout on plagiarism for examples of format).