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Hi Dragan.
Really i don't know if a good magnetic detector is good at our days for T.H.
I believe No...
The big problem is the noise. The background noise is bigger than the signal of any buried object so no way (or very very dificult)to catch it.
We must looking for something different.
One way is to check the total noise!!!!!!
Do u understand?????


Regards
Geo
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This special configuration with multiple feedbacks improve SNR while still maintaing high gain enough for catch the very tiny signals from the phenomenon.
Analyse it Geo. The first stage haven't negative feedback which is present in all emitter resistive load configurations. It was intentionaly changed for the dynamically load which keep change momentarely accroding to the input signals. Same worth for the collector load where is no constant resistive load but here load is dinamically changing. On this way we would get better power amplification and very low output impendance while after detection stage we get pure and clean LF signal without distorsions from the phenomena excitation. As you well know the main sources of noise in the circuist like it is primitive Alnso PD magnetic receiver which their authors had presented like the biggest engineering art all the time but in reallity is not worth building and spending precious time. So as i said the big resistive values are really unacceptable for any lrl frontend receiver. I am wondering how no one experienced electronic engineer doesn't see that or doesnt want to see the real facts which are really basic terms in electronics for the novices.
In presented circuit the main amplification are coming fom the two special ferrite rods which were connected consistently. In fact every new attached rods in this configuration would improve SNR while maintaing highest possible gain without the self-oscillation of the circuit. Also this cicuit has AGC loop with automatically self biasing which is not the case in any commercial Mineoro LRL and also any lrl schematic at this forum. Also this circuit is insensitive to the low battery power which is not the case in Alonso's and any other receivers.
People.
I don't ask all of you to belive me but to understand me. Withouth understaning no one idea has worth.
PS: As you know a lot of LRL secrets i think it wouldn't be a problem for you to enter the needed element's values and make sucessful experimens. Thats for now.
Regards
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Hi Dragan.Originally posted by Dubulumach View PostThis special configuration with multiple feedbacks improve SNR while still maintaing high gain enough for catch the very tiny signals from the phenomenon.
Analyse it Geo. The first stage haven't negative feedback which is present in all emitter resistive load configurations. It was intentionaly changed for the dynamically load which keep change momentarely accroding to the input signals. Same worth for the collector load where is no constant resistive load but here load is dinamically changing. On this way we would get better power amplification and very low output impendance while after detection stage we get pure and clean LF signal without distorsions from the phenomena excitation. As you well know the main sources of noise in the circuist like it is primitive Alnso PD magnetic receiver which their authors had presented like the biggest engineering art all the time but in reallity is not worth building and spending precious time. So as i said the big resistive values are really unacceptable for any lrl frontend receiver. I am wondering how no one experienced electronic engineer doesn't see that or doesnt want to see the real facts which are really basic terms in electronics for the novices.
In presented circuit the main amplification are coming fom the two special ferrite rods which were connected consistently. In fact every new attached rods in this configuration would improve SNR while maintaing highest possible gain without the self-oscillation of the circuit. Also this cicuit has AGC loop with automatically self biasing which is not the case in any commercial Mineoro LRL and also any lrl schematic at this forum. Also this circuit is insensitive to the low battery power which is not the case in Alonso's and any other receivers.
People.
I don't ask all of you to belive me but to understand me. Withouth understaning no one idea has worth.
PS: As you know a lot of LRL secrets i think it wouldn't be a problem for you to enter the needed element's values and make sucessful experimens. Thats for now.
Regards
As u know i have stop to try with magnetic field receivers.
I play only with 2 types of lrl.
1. With radioactive antenna and
2. by measuring the total noise.
Regards
Geo
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