Transcription of UNDERSTANDING, FINDING, & ELIMINATING GROUND …
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UNDERSTANDING, FINDING, & ELIMINATING GROUND …
understanding , FINDING, & ELIMINATING GROUND LOOPSCEDIA Class EST016 InstructorBill WhitlockPresident & Chief EngineerJensen Transformers, , CABill Whitlock has designed pro audio-video electronics and systems since 1973. In 1989, after sevenyears with Capitol Records, he assumed presidency of Jensen Transformers. He has become arecognized expert on system interfacing issues through his writing and teaching. His landmark paperon balanced interfaces was published in the June 1995 AES Journal, which has since become themost popular ever printed. Other writing includes the popular "Clean Signals" column for S&VCmagazine, the ongoing Clear Path column for Live Sound magazine, three chapters for GlenBallou's 1500-page "Handbook for Sound Engineers," and numerous other magazine articles andJensen application notes. Since 1994, he has helped thousands unravel the mysteries of groundingand signal interfacing by teaching at trade shows, universities, and professional organizations.
Of course, a predictable amount of “white” noise is inherent in all electronic devices and must be expected. White noise is statistically random and its power is uniformly spread across the signal frequency range. In an audio system, it sounds like a “hiss.” In a video system, it appears as grainy movement or “snow” in the image.
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