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Analysis of Radio Interference Phenomena |
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Image response, harmonic of the IF, direct IF response, harmonics of the oscillator, combination of the IF, heterodyne oscillator radiation, cross modulation within the receiver, cross modulation external to the receiver, same channel beat, adjacent channel beat and monkey chatter are all sources of radio interference addressed in this article that appeared in a 1946 edition of Radio News. I don't know about you, but I've never heard of the term 'monkey chatter.' According to the troubleshooting table it is, "Unintelligible modulation superimposed upon desired station, having the character of 'inverted speech'." Recommendations on how to mitigate 'monkey speech' are provided. Analysis of Radio Interference Phenomena Character, Cause, Type Receivers Affected, Where Prevalent, and Service Remedies (Reprinted from February 1946 issue "RCA Radio Service News," Tube Department, Radio Corporation of America, Harrison, N.J.)
Posted March 31, 2015 |
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| About RF Cafe | |
 Copyright: 1996 - 2024 Webmaster: Kirt Blattenberger, BSEE - KB3UON |
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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ... All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged. My Hobby Website: AirplanesAndRockets.com
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