Police Scanner: Equipment Autopsy #68 скачать в хорошем качестве

Police Scanner: Equipment Autopsy #68

http://thegeekgroup.org/ - We explore the worlds of analog and digital radio as Chris opens up two different types of scanners. First is an old police scanner, which it tuned up by use of quartz crystal. It's followed by a more modern hand radio, which has made the switch to a completely digital setup. Watch to learn about the difference between analog and digital circuits, noise gates, a little about light polarization, and more! Video Links: 4:06: http://en.wikipedia.org/wiki/Inductor... 5:42: http://en.wikipedia.org/wiki/Noise_gate 16:52: http://en.wikipedia.org/wiki/Potentio... 22:36: http://en.wikipedia.org/wiki/Polariza...) 24:13: http://en.wikipedia.org/wiki/Analog_c... 24:26: http://en.wikipedia.org/wiki/RLC_circuit 24:34: http://en.wikipedia.org/wiki/Digital_... 25:03: http://thegeekgroup.org/ Subscribe for more autopsies, explosions, science videos and general geek related awesomeness. Based in Grand Rapids, Michigan, The Geek Group provides access to science, technology, engineering and math by developing programming and facilities for individuals and institutions to learn, explore, innovate and play at an independent pace according to their needs. The Geek Group has many thousands of members scattered across the globe, in every state in the US and one hundred and forty-two countries. Come help us build Awesome!