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

?Strip Board? layout for the ?Bandido II U Max?.

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Delamuerte

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #10 on: February 26, 2009, 10:56:16 am »

Thank you Colin...I'll do my best Sad

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colin324

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #11 on: February 26, 2009, 11:24:28 am »

Decoupling capacitors - go for 100nF (0.1uF) parts, fit one as close to the IC power supply pins as possible. Then fit a couple of 33uF or 47uF capacitors at either end of the power strips.

Colin

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Delamuerte

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #12 on: February 26, 2009, 02:22:56 pm »

concerning the diodes, I don't know what to buy/
schokky's diode?? Undecided

get up diode? redressement in french?
What type of diode must I buy with the ref 1N4148?

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #13 on: February 26, 2009, 03:10:29 pm »

1N4148 is a general purpose signal diode. You should find these at all electronic components suppliers, they've been around for years.
Colin

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Delamuerte

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #14 on: February 26, 2009, 06:12:09 pm »

about the IC's:
4024 : logic- alim - or amp ?
lm2931 :linear or tension regulator?
tlc 2262 :operational?
4066 : logic?
lm393 :amp?
mc33178 : op amp/smd or op double - or op amp ?
So many kinds that I'm lost...
help Idea

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Mike In2mud Topic starter

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #15 on: February 26, 2009, 08:38:04 pm »

Hi Edouard, Please find attached the Farnell UK part numbers.
I believe they are the same as the Farnell France numbers.

You will see that I have also marked the part numbers for IC sockets and signal diodes, plus the correct way around the diode is fitted.

With the capacitors I have allowed for a spacing of 5mm between the legs, except the large value ones. In fact I think they will also be 5mm.
The pF capacitors may have a leg spacing of 2.5mm, I have not checked.
You can bend the legs to fit, but not too sharp a bend.
As Colin says, for capacitors any voltage over 9v, just check the leg spacing.

The components are fitted on top the tracks run underneath, left to right.

All the best Mike.

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #16 on: February 27, 2009, 02:32:46 am »

I noticed I wasn't very clear on the decoupling capacitors - the 100nF parts should be mounted as close to the power supply pins of each IC. Sorry if it caused any confusion. Mike's Farnell list is useful - if you aren't getting from Farnell, you can use their website to get the manufacturers part numbers, etc for going elsewhere.

I might look at making one of these myself. One thing I haven't found is the coil winding info - number of turns and wire size.

Colin

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Mike In2mud Topic starter

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #17 on: February 27, 2009, 05:25:42 am »

Hi Colin, The coil winding info you are looking for is in Tech Talk, VLF Designs :-
Re: BUILD YOUR OWN VLF SEARCH-COILS , FOR THUNTING.COM PROJECTS ONLY !
? Reply #1 on: February 10, 2009, 08:29:07 PM ?

regards Mike.

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Delamuerte

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #18 on: February 27, 2009, 09:39:18 pm »

thanks Mike that was usefull
here is what I'm gonna buy in few days
if u see any weird thing, tell me

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	Re: ?Strip Board? layout for the ?Bandido II U Max?. « Reply #19 on: February 27, 2009, 09:42:15 pm »

and

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