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Today's radios are usually uneconomical to repair because mass production and technological improvements in numerous areas have made them so inexpensive to buy, while the cost of human labor and workshop overheads have increased greatly in comparison. Typical insides of an antique radio, showing the vacuum tubes.
This 1920s TRF radio manufactured by Signal is constructed on a breadboard Tuning a TRF receiver, like this 5 tube Neutrodyne set from 1924 with two stages of RF amplification, was a complicated process. The three tuned circuits, controlled by the 3 large knobs, had to be tuned in unison to the new station.
Pages in category "Canadian television news anchors" The following 200 pages are in this category, out of approximately 215 total. This list may not reflect recent changes .
The reflex receiver should not be confused with a regenerative receiver, in which the same signal is fed back from the output of the amplifier to its input. In the reflex circuit it is only the audio extracted by the demodulator which is added to the amplifier input, so there are two separate signals at different frequencies passing through the ...
The (American version) radio's main receiver covers 30 kHz through 60 MHz, 142 MHz through 152 MHz, and 420 through 450 MHz (plus 1240 through 1300 MHz with the "X" model). The sub-receiver tunes between 118 and 174 MHz, and from 220 to 512 MHz (VFO ranges).
Montreal – Parc-Extension News, Nouvelles Saint-Laurent News, Courrier Ahuntsic & Bordeaux-Cartierville, Avenir de l'est, Le Flambeau de l'Est, L'Informateur de Rivière-des-Prairies, Nouvelles Hochelaga-Maisonneuve, Cités Nouvelles, Le Messager Verdun, Progrès Villeray – Parc-Extension, Progrès Saint-Léonard, Guide Montréal-Nord ...
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CTV News Channel is a Canadian specialty news channel owned by Bell Media (a wholly owned subsidiary of Bell Canada). It broadcasts national and international news headlines, breaking news, and information. The channel is headquartered at 9 Channel Nine Court in the Agincourt neighbourhood of Scarborough in Toronto, Ontario.