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  #1  
Old 11-20-2015, 06:08 PM
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Default coin master 1000
Hello friends
Please comment on this device yourself say
Do you test someone made or videos
Regards and thanks
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  #2  
Old 11-20-2015, 09:09 PM
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Nice old CM design.
Nothing to do with remote sensing.
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  #3  
Old 11-21-2015, 06:15 PM
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Do you like the new version?
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Old 11-23-2015, 10:53 AM
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Not really. Earlier version is good enough.
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  #5  
Old 11-24-2015, 08:10 AM
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Another one design by Lary...
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  #6  
Old 01-03-2016, 08:07 PM
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Quote:
Originally Posted by reza vir View Post
Hello friends
Please comment on this device yourself say
Do you test someone made or videos
Regards and thanks
I mead this md is very good a coin size dia 2cm in aire 20cm with coils 35cm


regards
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  #7  
Old 01-03-2016, 11:26 PM
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Its function is as BFO??
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Old 01-06-2016, 05:03 PM
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No, it has one oscillator only and no mixer stage (BFO's should have two + mixer).
It is marked as TR, but has nothing to do with known TR/IB design.
Could be named as "floating Q" design.
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  #9  
Old 01-06-2016, 11:32 PM
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Originally Posted by WM6 View Post
No, it has one oscillator only and no mixer stage (BFO's should have two + mixer).
It is marked as TR, but has nothing to do with known TR/IB design.
Could be named as "floating Q" design.
correctly....

Have you tried?
You believe that it works right?
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  #10  
Old 01-07-2016, 02:02 AM
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Yes I tried it. In fact I tried German version named Gold Prinz:



Great kids detector.
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  #11  
Old 01-07-2016, 10:55 AM
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Yes I tried it. In fact I tried German version named Gold Prinz:



Great kids detector.
Do you have more information about it?
Inductor materials etc.
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  #12  
Old 01-07-2016, 11:20 AM
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Coil frequency is not critical you can build it per data given in CM 1000 schematic.
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  #13  
Old 01-07-2016, 12:13 PM
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Coil frequency is not critical you can build it per data given in CM 1000 schematic.
Do you think that this German version is better?
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  #14  
Old 01-07-2016, 12:43 PM
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Not really. For me some parts was more available according German solution.

Main parts as front-end and divider are the same.
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Old 01-07-2016, 06:41 PM
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Not really. For me some parts was more available according German solution.

Main parts as front-end and divider are the same.
Ok thank's
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  #16  
Old 01-09-2016, 11:13 PM
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BD522 You know some replacement?
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  #17  
Old 01-12-2016, 03:40 AM
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You can try with some other (audio) N-channel MOS FET like: BD512, IRFP240, IRF510, 2SK2221, IRF540, IRFP260, IRFP450, IRF840 ....
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  #18  
Old 02-07-2016, 11:31 AM
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You can try with some other (audio) N-channel MOS FET like: BD512, IRFP240, IRF510, 2SK2221, IRF540, IRFP260, IRFP450, IRF840 ....
Thank you my friend.
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