Encyclopedia > TRF

Article Content

TRF

The Tuned Radio Frequency Receiver was invented by Edwin Armstrong.

(when?)

The process of amplifying an input signal on a given frequency over several stages. The disadvantage to this process being that each stage must be tuned to the input carrier frequency individually. Replaced with the Superheterodyne receiver also invented by Edwin Armstrong.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Holtsville, New York

... town is $68,544, and the median income for a family is $71,784. Males have a median income of $50,361 versus $31,709 for females. The per capita income for the town is ...