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Not a bug, signal is present on both pins, just shifted 90 deg apart, any can be used, also will work without 33pF capacitors on Xtal.
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Tepco, and you are not going to "Mole 2"? Based on a modern processor, a more powerful ACР ... Permission for many functions, to automatically configure, and comfortable use of the device. Mole-2, will compete with many devices "Proffesional level" in the price range 500 -1000 dollars. And yet, the software is completely free (unlike many bad instrumentation that and look good is impossible, and programs to the processor sells for $ 50-70) ...Comment
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HI smithy
Can you post here DIP (IC) trough hole single sided PCB version of "Krot 2"? Correct and checked if possible. Thanks.Comment
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Perfect, i will recheck and redraw this version for test, unfortunately xmega's are not available in DIP.Comment
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Certainly I will try it at first opportunity. 12Bit vs. 10bit ADC is significant advantage, also I suppose DAC is used to generate sinewave, then MC34119 will stay, as a linear amplifier. I like old KROT1 mostly due to it's extreme simplicity, nice for DIY, but this new version is certainly more powerful. Seems to me like some kind of “designers war” is going on between Krot and Quasar, so everyone will have benefit from this competition (well, except people involved in it, as usual).Originally posted by smity View PostComment
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Just can't believe that damn Sprint layout is capable to generate at least barely useful PCB, very nice work, but this one goes into Protel, as is, without any modification, will post on Krot forum too, I just registered. I can read Russian (actually learned in school), but time is to revitalize my writing skills.Comment
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can you keep us updated in english here, I will be interested in building this one I think.Comment
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Sure I will, just it may take some time to build this. First, local idiots don't have Xmega on stock, I ordered it, also displays I have at hand are not compatible for 3.3V operation, have to order too, etc. Also, will be off for week or two, so, winter job...
Parts: C26,27, D1,2, R19,27, can be omitted from original schematic, Winstar WH1602B display should work without negative bias from 3.3V, just a resistor to adjust contrast (I hope?)Comment
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It is applied normal display 1602 (+5 volts). Specifically to buy a 3.3 volt is not necessary. Components C26, 27, D1, 2, R19, 27 form a negative voltage and allows you to control the contrast of the "menu" of the instrument. Backlight unit, is also included in the "menu".Comment
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Thanks all for the info
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Winter is near so it is time to order the components.
After long time i"ll try again to construct another VLF IB machine.
As i saw at videos the designer uses a "SEF" coil. Do you know if it is a "commercial" ready coil or it is a hand made one???
Regards
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The aurthor at his site gives some files with lay6 extention. How i can open them???Comment
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The author does not sell the sensors separately. But he can buy the printed circuit board with a programmed controller. A file with the lay6. You can open the program Sprint-Layout 6.0 ( http://www.abacom-online.de/uk/html/sprint-layout.html ) or find a cracked version ....Comment
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Originally posted by smity View Post
Hi.
Thanks for answer.
Do you mean that the author sells the printed circuit board with programmed controller??
If so do you know price??
I work with Sprint-Layout 5.0 but don't open the lay6 files. So i must download the version 6.0
Regards
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Yes, the author can sell a printed circuit board with the controller and with the latest version of software. Refer to it. [email protected] not expensive ... But we need to know the cost of postal services.Comment
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