Measurements
In any serious development work, evaluation or production test in connection with RF equipment, suitable test equipment is a must, a sine qua non. With it, one can measure the frequency, amplitude and phase noise of a CW signal and the relative levels of any harmonics present, the AM, FM or PM modulation on a signal modulated by a single sinewave, or the characteristics of more complex types of modulation such as the various forms of phase shift keying, stereo FM or television signals, etc. Without it, one is working in the dark. This chapter looks at the types of equipment needed to make measurements on the above signals, and also at making measurements on circuit parameters, such as the frequency response, input and output ...
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