Tesoro Cibola

[Merc]

Hi, theres no supply on the oscillator.

S

You are correct. I did that when I was adding 5V somewhere else on the schematic. Looks like I did a cut and paste instead of copy and paste and erased it from the oscillator. I'll fix it.

[Davor]

While you are at it, you could replace the U3 symbol with U12 symbol to make it consistent and easier to read.

[Merc]

I fixed the oscillator supply. Changing U3 is more involved. More connections.

Merc

[Merc]

I bought a Cibola coil with a damaged cable from eBay. I then bought a 4-pin extender cable and spliced that onto the coil to repair it. That way I would have the exact same type of wire as the original. While doing this, I sketched out the
coil connector wiring diagram and thought I would add here for others.

Merc

[technos]

I bought a Cibola coil with a damaged cable from eBay. I then bought a 4-pin extender cable and spliced that onto the coil to repair it. That way I would have the exact same type of wire as the original. While doing this, I sketched out the
coil connector wiring diagram and thought I would add here for others.

Merc

Thanks for doing this. Is this looking into the male connector? I take it shd = shield? What is the D.C. resistance?

[Merc]

This is looking into the solder side of the connector on the cable. It uses two individually shielded wires. I haven't made any resistance checks yet.

[HECTOR]

http://www.geotech1.com/forums/showt...145#post160145
I'd like to see more inductance test results on specific coils from different quality testers so we can see how accurate different testers are.
I've been going through some life changes and hope to get back soon...too many unfinished projects.
Hope you find the info that I provided to be helpful.

[khuben]

generator will not work because there is less tension and also the inverter will not start because there is no pulse generator so that a vicious circle needs to be fed generator voltage battery

[bernte_one]

last week i have finished the cibola pcb desgin from ivconic posting 45
little bit tricky but it works
minelab coil (1mH-10mH) works a little bit better than original sef cibola replacement coil (1mH-14mH)
but i think thats a frequency shift problem which could be fixed be using right cap values on rx and tx stage

no corrections done since post 45 but i will add them next weeks

kind regards

[GSL]

Completed the circuit board and remade Hex.
Hex Tested 2 weeks. The result is good

[bernte_one]

hello gsl

is it possible that you can load a layout from the pcb

many thanks

[GSL]

hello gsl

is it possible that you can load a layout from the pcb

many thanks

Hello Вernte_one ,
I used the psb without the processor on the circuit from above page. The processor is connected to a short wire. Oт the weekend, I can remake a layout with the processor.

[bernte_one]

hello gsl

thanks for your work
i made analog model of cibola but works not as i hoped
i am sure the pic µcontrolled units performs better

regards

[GSL]

I made a pcb with the MC. You can use the PIC16F873, PIC16F876. Hex same.

...i made analog model of cibola but works not as i hoped
i am sure the pic µcontrolled units performs better.....
In my opinion not much difference with or without MK MK. IMNO

[bernte_one]

hello GSL,

thanks for the files
will see if i can try next week

regards