Silver Star Hungary

[ivconic]

Separate pages as JPGs, extracted from PDF and improved in quality:

[ivconic]

It is always nice to have the schematic across the post like this:

[pito]

This part can be replaced by stm32f103 or arduino nano, that will allow to put one capacitor in Tx coil and easy adjust frequency for tuning. Base on value Tx capacitors number of turns is approximately 80 turns, 0.5mm wire, however I will do 200 turns, that will increase voltage amplitude on coil, my Rx coil (6.5 kHZ ) is 500t wire 0.15 mm.

[ivconic]

Yes that is correct.
Attiny is quite enough for such work and does not take up much space on the pcb.
With an internal oscillator, it does not need any additional components.
My initial motive is to locate such projects in various magazines and collect them in one place.
In this case, I will also do the translation.
Although it would be much easier if a Hungarian colleagues did it.

[ivconic]

MDfanatic I tried to reply to you via PM but seems PM is corrupted on this forum engine, everythig is messup there.
My inbox is still containing private messages which I deleted long time ago??? How come?
I am not surprised, switching to new forum look brought us lot of problems along with few good things.
So instead there; I will post here the BOM list for Silver Star 1.
Since I redraw schematic in ExpressSch (part of ExpressPcb software); now is easy to simply export component list into
textual file. Here it is:

[MDfanatic]

Building a PCB is one part and as hard it can be, it will be done eventually.

The only real problem is the coil and how feassible it is to build one (or even use off the shelf coil).
If a Hungarian member is willing to help with the translation of the text files, it would be a tremendous help.

[ivconic]

2box coils will be easier to calculate and build as Pito mentioned.
For non-motion VLF IB a searchhead will be somewhat complicated becasue we don't know the details.
But I think i saw somewhere mentioning the coil made for it. I will look up for it.
Last couple days I collected huge pile of scanned magazines, it is lot of work to browse through them and find proper info, but I will do it.

[pito]

2box coi
we don't know the details.
.

look for this in red
3. The Silver Star as a depth finder

[pito]

can you do that in gerber ?

[ivconic]

look for this in red
3. The Silver Star as a depth finder

[ivconic]

can you do that in gerber ?

Sure;

[ivconic]

And now Silver Star 5 pcb:

[ivconic]

Pito if you intend to build 2box; than Silver Star 5 is more suitable for it.
Now you have Sprint Layout file and gerbers for it too.
I intend to redraw schematc too, but it is more tedious job, it will take a time.
And the original schematic (post #17) extracted from the PDF is good enough by now.

[pito]

silver tr.zip
So post #27 is good for schematic post #17 ?

[pito]