Added: 2 years ago
From: AllAmericanFiveRadio
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  • Very interesting and even more interesting is that this video is 2 years old and it's my very 1st time seeing it lol!

  • i have a question, if we make a large enought coil can we gether energy seeing our air has become per say a Plasma, with Gps, wifi, mobile, radio and a whole load of RF energy in the air at one time

  • @Thegreyraccoon

    That is possible. Some people who have power lines close to their house, put a large coil in the attic and rip off the power company. But the power company will find the power drain.

  • If you were to tune to the transmitters frequency you would optimize energy transfer. But the simplest way is to just use a pickup antenna and rectify it using a diode with no specific frequency.. Just wide band rf.. I have done this and you would be amazed at how much you can grab out of the air! I have powered a bunch of leds with it and some other things.. Kind of scary to know just how much rf is flying around us. (radio, satellite, wifi, etc etc..)

  • @Mosfet510

    You are very right! It is a very noisy RF world.

  • Too comlicated for me

  • OK, Channel 1 is amplified. What would it look like if you didnt amplify the secondary output? Also what are the voltage range set for lateral line?

  • @coolestdude80

    Amplifying does not change the waveform. The signal is small that is the reason for amplifying the waveform. The generator only produces a few volts of output.

  • I think this is a concept used by Don Smith Free Energy Device.

  • @chungsan1

    It's not free for the transmitter.

  • So the coil is basically like an antenna

  • Yes it can be.

  • yaa but dont use signal generator for it..simply use current from air...can you show the electricity from air on osciloscope??? by connecting a primary coil on channel 1...and amplify it with a transistor and then show it on osciloscope on channel 2

  • Yes. Actually it is too easy to get signals from the air with an Oscilloscope. That is why the signal leads have a shield, to keep unwanted interference out of the wanted signal.

  • So nice :)

  • Thanks

  • Very interesting! the thing that's weird is AM travels longer distances than FM but AM is lower frequency. I learned why in school, but I have sort of forgotten why.. maybe because AM does its modulation with the amplitude and keeps the carrier frequency the same.. hm it has been a while I need to brush up :D

  • Thanks

    AM hugs the ground a lot. So that is why you can pick up long distant AM stations. Now FM is line of sight. Years ago I was in Texas listening to a Base Aircraft from Kelly. Now the modulation was Not FM but the frequency was high enough for line of sight communications. The aircraft left Kelly and we had communication all the way to Denver. When it landed at Denver the communications stopped.

  • make also a diagram of wireless electricity...

    using omni directional and or unidirectional

    transmitter and recievers...

    as the are now using to charge cell phones...etc..

  • Thanks. If I can.

  • make also a diagram on how to light up a 12 volt

    compact flourecent lamp...using the simple inverter as posible..

  • Thanks. If I can.

  • Excellent Vid!

    Be Cool,

    John

  • Thanks John!

  • Hi Rick, Yet another excellent video from you with real purpose!!! Did you measure the output on the secondary for the range of frequency you used in this demo?  I am curious to know that.

    Thanks,

    Ravi

  • Thanks Ravi. Channel two was set on 5 Volts/CM and channel one was set on 0.1 Volts/CM. At the start of the demo the generator signal was about 800KHz, it peaked at 1 MHz. Because of the distance it was a sharp falloff.

    Rick

  • Excellent as usual. Thanks!

    73 de WE5I

  • Thanks.

    73

  • Another great view Rick. Really breaks it down to its bear bones. There is nothing like "Lab" for learning. Seeing is believing and understanding.

  • Thanks.

  • Nice video. Another way to look at this is that both coils are actually electromagnets, and they are actually coupling to each other (sharing) an electromagnetic field which is established by the red coil. (A.K.A. Induction.)

    It is also important to note that radio waves are actually a portion of the electromagnetic spectrum. A dipole antenna is actually and electromagnet, with a positive and negative pole. Now, disturb the electromagnetic field at a voice rate and magic: radio :D.

    73

  • Thanks. True. Do all that in under ten minutes.

  • Well, I hope I didn't come off as trying to detract from you video, because that was not my intention. I was just trying to describe the science and say what u said in a way that helped me understand this stuff a long time ago, and it was my intention to help further the education of the viewers. (Note: I come from an entire family of educators.)

    Didn't know about the 10-min limit. Great work to meet that time limit.

    73

  • Oh no! That is not intended either. I think the limit is a good thing because you really have to stick to a subject and not wander around. But it is still frustrating. Keep commenting, keeps me honest.

    I taught software for over ten years. Several years ago I check on the number of lines of code and it was over six billion. I use to say to the students on the first day. Welcome to the Ultimate Puzzle.

    73

  • Guess that time limit also means you have to script everything in your head before hand, too. I'm sure that can be a daunting task in and of itself.

    Code crank myself. Doing PHP, MySQL, and JQuery these days. Personally, I think students should learn Assembly as a first language, and not the abstract C++ they are teaching kids. Hides too many of the foundation-building details, and a bad foundation leads to a crumbling house.

    Good education is an art, and I hope u don't run out of paint :D.

  • I like C and C++ is ok. I think that people who like Object Oriented Programming like Magic. In other words they really don't want to know how it really works or look behind the curtain. OOP really brings a great deal of baggage with it and most of it is never used which impacts real-time. I agree with you that Assembly still remains the best way to write the most efficient code.

  • Also have problems with using C++ in a real-time environment. A lot of noobs would have u believe that u can just throw it the -O2 optimization under GCC & have it generate code that is as good as the best assembly writers out there. Not so by a long shot!

    Asm also teaches system architecture while instructing the student in programming methods and methodologies. C++ has it's place, without doubt, but I see it as a horrible 1st lang & hand out noob status to those that say it's ther 1st lang.

  • Great video.

    As always.

  • Thanks.

  • Excellent video...I have a question...which Oscilloscope do you recommend? Is there a particular spec that you need for most general purpose RC receiver/transmitter testing? Thanks in advance =] (I was thinking of buying on but wasn't sure which should I use)

  • Thanks. 5 MHz is great for audio and AM radio, 20 MHz is good for that, and Tube and Transistor TVs. The new stuff are computers so 100Mhz and up with memory capture. The higher the MHz, the better.

  • Thanks =]

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