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Lrl from Italy

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  • Originally posted by zixelll View Post
    Yes, you have a friend, so you confirm this design?
    This is from Dream_Man, I think it's working, but I have no tried.
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    • Franco then do not work on this pcb that I put in?

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      • Originally posted by zixelll View Post
        Franco then do not work on this pcb that I put in?
        I have only said that I have no tried but others member said that it works well.

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        • Thanks for seeing what you see in parts and orbit

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          • Thanks for your guide

            Originally posted by FrancoItaly View Post
            You're right, the reason is that I did not point to the LM358's power legs, in the Dream.man scheme they are shown correctly. The output of the sensor stage is in the 4-6V range and the quartz oscillator oscillates equally without the second capacitor thanks to the parasitic capacities and it seems to me that when I posted the project I said to add the condenser if the oscillator had not It worked. However I built 10 copies of this lrl and the quartz has always oscillated.
            Hi
            Please accept my apologize for asking many questions.I want to know what kind of signal must be on the antenna what frequency and amplitude.

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            • Originally posted by maziio View Post
              Hi
              Please accept my apologize for asking many questions.I want to know what kind of signal must be on the antenna what frequency and amplitude.
              What here on the forum we call "phenomenon" is not recognized by "official" science and I know very little about it. I can broadly explain how my lrl works: a signal of 8Mhz (I have successfully tested in the 2.5 - 10Mhz range) is amplified many times by TR2 / TR3 / TR4. At the base of TR2 the signal of the internal oscillator (8Mhz) is mixed with that coming from the antenna and on the emitter of TR5 there is a DC voltage which increases in amplitude in the presence of the "phenomenon". As Esteban said, without a doubt the most authoritative expert in this field, even an FM receiver that is not tuned to a channel functions as an lrl. Also my lrl is not tuned to a particular frequency, in fact we can use for L1 two or three turns and for C10 10pF or 22pF or 33pF or nothing (the parasitic capacitance between base and emitter of TR2 is always present).

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              • Franco used the aluminum plate on the antenna?

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                • Merry Christmas

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                  • Originally posted by zixelll View Post
                    Franco used the aluminum plate on the antenna?
                    no

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                    • Hello Franco Circuit should have two parts or one part

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                      • Why in Iran some friends have been happy with this device and others have not yet made any conclusions. Are there any changes to this circuit?

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                        • Originally posted by zixelll View Post
                          Hello Franco Circuit should have two parts or one part
                          Sensor stage and display stage, but one PCB (Dream_Man)

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                          • Originally posted by zixelll View Post
                            Why in Iran some friends have been happy with this device and others have not yet made any conclusions. Are there any changes to this circuit?
                            This is for me a real mistery. Perhaps an imperfect calibration or a not good target for tests.

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                            • HI

                              what are the errors in our pcb, what are the particular thing in dream-man design ???

                              is this PCB correct, (mustefa modified ) ???
                              Attached Files

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                              • .
                                Attached Files

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