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Length: 5:57 -
Rating: 5.0 (28 ratings) -
View: 9638 -
Author: KC9KEP
Homebrew Superheterodyne 80m Ham Radio receiver featuring hand-wound I.F. and BFO coils. An excellent learning tool, fashioned after the 1932 QST radio of th...
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Length: 8:44 -
Rating: 5.0 (4 ratings) -
View: 2902 -
Author: victor cassar
My recent construction is a 6 valve Ham Freq Superhet, The chassis was originally a lid measures about 19cm by 29cm, valve line up ECH81 , EF86 , EF86, EF86,...
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Length: 3:0 -
Rating: 4.9545455 (22 ratings) -
View: 14326 -
Author: vk3ye
A demonstration of a homebrew receiver designed for SSB/CW reception and published in Lo-Key magazine December 2007. RF Amp: BC547 Mixer: 3N140 (FET) Local o...
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Length: 9:35 -
Rating: 5.0 (33 ratings) -
View: 2468 -
Author: Kanaal van radiofun232
A brief explanation about how a superheterodyne radio receiver (shortwave, middle wave, or whatever frequency band) handles the received radio station. It is...
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Length: 7:41 -
Rating: 5.0 (8 ratings) -
View: 1868 -
Author: Kanaal van radiofun232
The demo shows what happens when the inductance from a VFO coil and/or an antenna coil in a superheterodyne radio is changed. It shows the pure effects in pr...
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Length: 1:3 -
Rating: 5.0 (3 ratings) -
View: 6197 -
Author: 6v6vcomp's channel
Four Tube Superheterodyne Radio Kit A new limited edition kit will be available in January 2012. Build your very own superheterodyne radio. Simple to follow ...
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Length: 14:41 -
Rating: 5.0 (3 ratings) -
View: 442 -
Author: Open Course Ware Helwan university
Communication_Fm Superheterodyne Radio Receiver Arabic Engineering Lectures Open Course Ware - Helwan University - EGYPT.
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Length: 2:9 -
Rating: 5.0 (2 ratings) -
View: 104 -
Author: Cristian M
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Length: 10:35 -
Rating: 5.0 (13 ratings) -
View: 1977 -
Author: radiofun232
Adaptation to the video: the emitter resistor from the first BC 547 b (local oscillator-mixer - first HF stage) is 150 Ohm.Does this radio work properly? It ...
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Length: 5:46 -
Rating: 5.0 (6 ratings) -
View: 499 -
Author: FujichromeR100
自作リグの実働シーン第2弾。2012年4月29日の国内コンテストの7メガSSBとCW。 数限りない自作の失敗・やり直し・不手際の記録はここ。...
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Length: 2:40 -
Rating: 4.6 (10 ratings) -
View: 3185 -
Author: puyansude
Homemade vacuum tubes (converter:12be6, if-amp:12ba6, det+af-pre: 12av6, af-amp:12be6) superheterodyne receiver build on a breadboard by VE2CUY - may 2010.
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Length: 3:14 -
Rating: 5.0 (1 ratings) -
View: 72 -
Author: Pablo Torres
El anterior VCO fué reemplazado por un VFO para reducir el ruido de fase de los "varicaps" que utilizaba anteriormente. Transceptor superheterodino con FI de...
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Length: 2:1 -
Rating: 5.0 (1 ratings) -
View: 220 -
Author: yc0nsi
A long forgotten radio kit is being completed at last..I noticed it sitting in a corner of my ham shack when I was cleaning up the shack last weekend..I boug...
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Length: 10:35 -
Rating: 5.0 (26 ratings) -
View: 4952 -
Author: Jeff Quitney
more at http://scitech.quickfound.net/ FUNDAMENTALS OF AM AND FM RADIO COMMUNICATION, HOW FM ELIMINATES PROBLEM OF ELECTRICAL INTERFERENCE, FUNCTIONING OF FM...
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Length: 2:19 -
Rating: 5.0 (3 ratings) -
View: 874 -
Author: Stefan0719
Bausatz von ebay. Das Brummen kommt wohl vom Wechselrichter. Der Super geht trotz 1 Röhren amp ziemlich laut wenn man will. Bausatz war gut aufzubauen aber s...
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