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.
APA Format of Direct Quote Citations. Locate the information you need to cite within the body of the essay. Locate the author, date of publication and page number(s) for the information. Enclose direct quotations within quotation marks. Place the citation outside the final quotation mark.