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 and you use a word(s) that is not in the quotation itself, put the word(s) in square brackets [ ] .  Note how quotations are used to support arguments and how they are integrated into an argument in sample essays. . Citing Page References  Always write the page reference after your quotation.