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.
Study guide. To write a good essay, you firstly need to have a clear understanding of what the essay question is asking you to do. Looking at the essay question in close detail will help you to identify the topic and âdirective wordsâ (Dhann, 2001), which instruct you how to answer the question.escribe. Provide a detailed explanation as to how and why something happens. Discuss. Essentially this is a written debate where you are using your skill at reasoning, backed up by carefully selected evidence to make a case for and against an argument, or point out the advantages and disadvantages of a given context.