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Politics : The Environmentalist Thread -- Ignore unavailable to you. Want to Upgrade?

To: Thomas A Watson who wrote (12453)	5/11/2007 11:57:47 AM
From: maceng2	Read Replies (1) \| Respond to of 36917

The crystal (or diode) rectifies the radio frequency wave so that only the positive current remains. This current is modulated because the amplitude of the radio frequency has been also. This current carries the audio information that you hear in the speaker. The function of the diode in the radio circuit is succinctly explained here. electronics-radio.com i.e. the function of the diode has nothing to do with the tuning circuit. en.wikipedia.org If you cannot explain the modules of the most simple of electronic circuit, I doubt you could understand the science of meteorology. metoffice.gov.uk People predict the weather, and people predict stock prices will variable results. Your assertion that "it can't be done" is hardly surprising.