I need help with idx pro silverdog red pcb!!

[chiuino]

Hi there!!
This is my thermoforming results with PC policarbonate 2mm tickness!!
It is not perfect but not so bad for non use

[chiuino]

This is my last project progress
in picture you can see the vacuum table, the wood frame for fix the abs or pvc sheet and the wood coil form(not finished yet)

Cheers to all

[chiuino]

Hi Nándor i think not simple find abs but next days i will chech some materials like pvc sheet or other plastic materials that i buy on store!!! See you soon

[Nandor]

Very nicely done have luck . What do you use ABS?

[chiuino]

Hi there!!!
I have make this vacuum forming table because all other trials to make coils case are miserably failed!!!
Cross fingers
P.s. It is not over yet

[chiuino]

This is my little.....LCR meter

[chiuino]

But i think that 25~30cm for one euro are improvable...

[kt315]

I thought the depht from the IDX Pro is 45-60cm with a coin???

yup. but only with a mantra from Holy Al-Qoran on the lips.

[BKY1337]

I thought the depht from the IDX Pro is 45-60cm with a coin???

[chiuino]

Hi Nándor thanks!!!for u3 i've used lf347 but indoor i think the performance is not very good!! I want to test it outdoor but for final making i need a few days!!!!
See you next time for some news

[Nandor]

Hi
Your PCB looks very nice, great job! What IC do you use as U3? LM324 or LMC6484 or LF347? I have tried with LM324 and I only got 25cm but with LMC6484 i've got 30+. With LF347 you should get 35 or more outside! not in the house. I have the same distance with or without disc on a euro coin about 33cm with LMC6484.

[chiuino]

Hi friends!!!
This is my progress to IDX pro.....homemade pcb
all seems to work but i have some doubt on sensitivity...


The detector is able to view 1euro coin at about 25cm with discrimination
but i have the same distance without discrimination....why?
the coils are properly nulled with oscope and with perfect nulling point when i turn on the detector emits a slight noise only.
I return to forum for news!!!

Bye

[chiuino]

These are my last progresses on idx pcb
I wait ic's and mpsa13


Cheers

[chiuino]

While I wait the pcb from silverdog.....i make this one for educational


But i still have to find time to build the coils

Good weekend to everyone!!!

[Koala]

Hi eduardo and Lamoiz

I have problem Q4 BC517, always getting Hot, with or without sound beep.

Speaker with too low an impedance and a solder bridge were the last two causes of this.

Everything on the board should remain cold.