Quote:
Originally Posted by FrancoItaly
I cannot help you, there is no particular frequency of operation, my lrl works in the FM range, about 90 - 130Mhz but it is not linked to any radio broadcaster, Esteban said that even an FM receiver (not tuned to any station) could work as lrl.
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Hello Francoitaly
Esteban cabrera Grinok also had shown us how to simply stumilate "FM receiver", better word RF-sniffer.
May i ask you whay you haven't used freq.offset for main 'Halo 4046 chip' ?. For example sweep working freq, in some LF freq, range of interest.? Why did you have used only fixed (semi-variable) VCO voltage ? Main 'Halo chip' should search and lock 'Halo signal' at any particular frequency where phenomenon was occured not at fixed freq. It is soon impossible to find correct 'Halo-positions' of five 20-turns potentiometers manually. Honestly I know a man who can do it even with 6 potentiometers in same time.
Also why you haven't used some sort of AGC to regulate fine amount of reference signal, because 'Halo-signal' is variable in time and space.
Also there is a simple trick to going on mV range 'Halo-signal' of amplitude demodulator or even going on uV, trying to dig out very tiny 'Halo-signals' from the background noise floor, and reconstruct detected useful signal analogue or digitally. You as ex-EE sure know how.
I've forgot to say maybe the most important stuff, which is all real working lrls are detectors (active or passive types) ) of Second Magnetic Field Phenomenon, (not derivation of primary vectorial field), which is in natural essence Shock-Wave or better had great Tesla said, Sound-Wave of Aether. Simply to understand kind of compression/decompression waves, which under special circumstances even could be a standing-waves, a Magnetic standing waves. Mathematical apparatus already has written but.... everything must be at the right time and righ place for the Renaissance.
Best regards
Dubulumach