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Length: 18:20 -
Rating: 5.0 (2 ratings) -
View: 71 -
Author: TRXBench
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Length: 1:35 -
Rating: 5.0 (2 ratings) -
View: 694 -
Author: Stephen Cook
A simple ham radio morse beacon comprising a Barbones arduino, and a keyed oscillator. Sources of all info except the oscillator are in the credits and clip....
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Length: 9:13 -
Rating: 5.0 (8 ratings) -
View: 1456 -
Author: radiofun232
Simple 1 transistor VFO circuit. From my book "2-10 MHz Shortwave receiver and 1 transistor VFO's", in which I describe a 5 transistor (the audio amplifier e...
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Length: 2:39 -
Rating: 5.0 (8 ratings) -
View: 272 -
Author: radiofun232
The "universal" radio oscillator with a backcoupling coil (see earlier videos) even works when you wind the primary and the secondary core on a simple iron n...
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Length: 9:13 -
Rating: 5.0 (35 ratings) -
View: 744 -
Author: vk3ye
Radio schematic and block diagrams can be daunting to many. One way to understand is to break it up into stages or modules. Many stages do similar things, an...
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Length: 6:9 -
Rating: 5.0 (14 ratings) -
View: 1338 -
Author: radiofun232
A video about how to make a crystal oscillator for Shortwave (2-10 MHz, because the BC 547 b does not get higher, a 2N2219 A will be probably more suitable f...
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Length: 0:26 -
Rating: 0 (0 ratings) -
View: 268 -
Author: keanuuuu
Yaesu FV 101 VFO (Variable Frequency Oscillator) For Use With FT101 For Sale On Ebay September 2012.
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Length: 8:11 -
Rating: 4.8974357 (39 ratings) -
View: 2440 -
Author: vk3ye
Hearing 7 MHz SSB amateurs on an unmodified 27 MHz AM CB radio with a simple two transistor receiving converter. Key stages include a germanium diode mixer, ...
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Length: 2:23 -
Rating: 5.0 (5 ratings) -
View: 832 -
Author: chrisw71
Breadboard construction of a pierce rf oscillator. I should add that in the Pierce oscillator the positive feedback occurs through the crystal, setting up th...
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Length: 17:41 -
Rating: 5.0 (14 ratings) -
View: 859 -
Author: radiofun232
Correction to the video: when I say "transistor" I mean "resistor", somewhere in the video. Where I say it resembles an "emitter follower" I mean it is a gro...
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Length: 3:41 -
Rating: 5.0 (8 ratings) -
View: 2238 -
Author: radiofun232
How to test the activity of a quartz cristal. When it does not resonate (oscillate) the crystal will (almost sure) not work in an oscillator circuit. A usabl...
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Length: 1:9 -
Rating: 5.0 (3 ratings) -
View: 2121 -
Author: Radioal1610
ARC-5 Radio Transmitter Oscillator. I am demonstrating the output the 8 MHz oscillator by lighting up a fluorescent lamp by bringing it near the coil. The RF...
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Length: 5:33 -
Rating: 4.98293 (703 ratings) -
View: 35130 -
Author: jeriellsworth
Jeri shows a Wien bridge oscillator and why it's a clever design.
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Length: 6:35 -
Rating: 5.0 (7 ratings) -
View: 840 -
Author: radiofun232
The video shows the inner side from a 455 KHz IF filter and a way to test it. When it works in the oscillator it is OK. The oscillator can also be used to te...
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Length: 9:39 -
Rating: 5.0 (8 ratings) -
View: 510 -
Author: radiofun232
A simple 1 transistor local oscillator for a superheterodyne radio. Experiment! With values from resistors and capacitors, especially the capacitive voltage ...
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