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50 The PCB Design Magazine • February 2015 Many years ago, my dad worked as a televi- sion technician at KOIN TV, the local CBS affili- ate in Portland, Oregon. He spent his time there operating the cameras, monitoring the audio, fine-tuning the video output, or working one of the two master control boards in the control room. For a 12-year-old boy, it was a fantastic adventure to visit him at work; I spent my time playing in the huge studios, watching different productions being broadcast, and sneaking left- over candy from the little kids' cartoon shows. But the most prominent memory I have from those days was when I was a little guy, probably five or six years old. My mother had brought me down for a visit and the technicians were all congregated around the larger master control board working on a production that was being shot in the main studio. While this was going on, the network feed was coming in and being processed by the smaller master control board and then going out over the air. Essentially it was on automatic while the technicians on the TIM'S TAKEAWAyS column by Tim Haag INTerCePT TeChNOlOGy Push the Button, Max