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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Metal Detectors (Moderators: Eugene52, xavier, GoldDigger1950) >

GMT King Cobra PCB

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NE555

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	GMT King Cobra PCB « on: October 21, 2012, 07:53:06 am »

hi,

starting this thread about King Cobra schematic and PCB.

regards

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Eugene52

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Teknetics , Fisher , Discovery3300 and TIANXUN 19 kHz VLF Metal Detector

	Re: GMT King Cobra PCB « Reply #1 on: October 21, 2012, 10:30:32 am »

Hello NE555 .

They have a nice Cobra pcb board already done on a Russian forum . Looked really nice but I did not see a layout file like sprint or eagle . You might want to look up the "super" Cobra on Google search it might save you time . I do not remember what frequency of the Cobra metal detector , but I am guessing somewhere between 10 to 15 khz ?? I read the machine works pretty good .

Regards..........Eugene

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NE555

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	Re: GMT King Cobra PCB « Reply #2 on: October 21, 2012, 11:55:40 am »

yup, Eugene, this is I am. the frequency of Cobra is 15 kHz, but it is possible to use any frequency, in range 12-15 kHz. there are only 2 capacitors you have to change in a TX generator getting either one or another. if you set more value of the capacitors you will get Tesoro Golden Sabre with 12 kHz (12,5 kHz?), because Cobra is same schematic like Tesoro.

regards

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	Re: GMT King Cobra PCB « Reply #3 on: October 21, 2012, 01:06:31 pm »

Excellent Work NE555 !!! Reminds me of original Royal Sabre ??

You have a Great Project started here , Thank-You !!

Best Regards..............Eugene

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	Re: GMT King Cobra PCB « Reply #4 on: January 24, 2013, 09:30:03 am »

thank you Eugene. yes, it is Royal Sabre too. new photos from Sven.

all the best

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mehrdad1971s

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	Re: GMT King Cobra PCB « Reply #5 on: August 15, 2013, 03:29:55 am »

Im can not see PCB batoom layer ! Cheesy

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	Re: GMT King Cobra PCB « Reply #6 on: September 11, 2013, 12:20:37 am »

any one have the pcb LAY file can share

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	Re: GMT King Cobra PCB « Reply #7 on: November 18, 2013, 08:07:31 am »

PCBs can for this detector if it is not a problem.Please

......PM......

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	Re: GMT King Cobra PCB « Reply #8 on: May 22, 2014, 07:44:32 pm »

here is the PCB file

Posted on: May 22, 2014, 07:24:49 pm

you can see the file with the P-CAD 2006 Viewer software and here is the link p-cad-2006-viewer at altium's download page, then go to the very bottom of the page .

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NE555

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Elite

	Re: GMT King Cobra PCB « Reply #9 on: May 23, 2014, 04:31:53 am »

much people asked me what is 3 position switch MODE so I did this promo demo for them

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I did not see a Tesoro detector in my life but I guess it is similar to all tesoro's where is some kinda preset of SAT, for ALL METALL mode.

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