transmiter 11kh

[ivconic]

Look here:
http://www.geotech1.com/forums/showthread.php?t=16203

First you asked for powerfull 455kHz transmitter. I gave you the schematic. It is pretty uncommon, but it is accurate and functional.
Reading your apeal i had feeling that you really need that schematic.
Now, here, you are asking for 11kHz transmitter???
And you keep asking and keep asking. Fast and sketchy!?
Let us (other members) to see that you are really in "bussiness" and engaged in some DIY!
Show us some of your work.
Do not only ask and ask and ask. Already opened many "asking" threads here!?
How can you expect to be seriously taken from others if you keep on with only to ask for various trivial schematics?
Doing like that you can only attract negative attention...

[WM6]

hi Mesy,

if you are on picture ,ok, you are beautiful woman, if you are not on, the same, she is beautiful woman.

I think we all here, as ivconic, understand, that you only provoke by picture of some girl in your avatar. And we provoke back. No tragic, no reason to be affected.

What voltage do you have at powerline in Dubai?

[mesy64]

Are you angry on me?
Don't be.
I am interested in knowing better all the active forum members. I am not sketchy in relations with other people. If i talk with somebody, exchange experiences and cooperate, than i have right to know him better.
I had bad experiences in the past and that's why i am so sceptical.
However...boy or a girl - doesn't really matter here. If you are interested in metal detectors than you are on right place.
Don't be sorry for me. I am great joker. 90% of my posts here are jokes.
So...don't be angry.

Dear friend I'm not angry. But get upset that someone has searched my personal life.
You have the right atmosphere benefit some people using ploys to achieve its purposes are not.
Friend's no need to apologize. I'm not angry with you. I am interested in only a metal detector circuits.
I like this forum to activities and experiences of others, especially that you are an expert in this field to use and I can make a good detection.
Please treat me like a boyfriend and the construction of a good circuit to help me.
You iviconic threads
http://www.geotech1.com/forums/showp...04&postcount=4
Schematic design Varna you. I want to know what the schematic program opens. Your opinion of this circuit to work is good? The coil if you can explain to me which wire is better scores and how much?
I built this circuit but the result was not good. Shmanzrtan on this metal detector can express.?
Gr's friends like to know more about me that I would allows you to ask me about myself
I hope we can do for each other good friends.
With respect
mesyna

[ivconic]

"...Schematic design Varna you. I want to know what the schematic program opens. Your opinion of this circuit to work is good? The coil if you can explain to me which wire is better scores and how much?..."

No. Schematic is designed by Sasho from Bulgaria. I just redraw it.
Program is ExpressPCB (SCH part included).

http://www.expresspcb.com/

Design; is it good? I don't know. I never built it. But i intend to, soon.

The rest of your post; i am not sure i understand it well!?

[mesy64]

hi Mesy,

if you are on picture ,ok, you are beautiful woman, if you are not on, the same, she is beautiful woman.

I think we all here, as ivconic, understand, that you only provoke by picture of some girl in your avatar. And we provoke back. No tragic, no reason to be affected.

What voltage do you have at powerline in Dubai?

Please talk to all the fun. Ivconic wanted and I like that I have a son and treat you and other friends have the same request. So I ask that this ridiculous want to talk because I is not even See what you think.


I'm told is not what you believe or you do not and I do not expect.

If it is important that you communicate with a girl have to go after and who are Mtmn that your relationship can be satisfied all terms of (physical - emotional - ****** ....)

Sorry for you

mesyna

[mesy64]

"...Schematic design Varna you. I want to know what the schematic program opens. Your opinion of this circuit to work is good? The coil if you can explain to me which wire is better scores and how much?..."

No. Schematic is designed by Sasho from Bulgaria. I just redraw it.
Program is ExpressPCB (SCH part included).

http://www.expresspcb.com/

Design; is it good? I don't know. I never built it. But i intend to, soon.

The rest of your post; i am not sure i understand it well!?

My dear friend's


I built the circuit ivconic Varna. detect the depth of this circuit is low.

If I comment this tr can do to increase the detection range increased. What can I do?

The transmitter coil current is too short. Can strengthen the sender circuit Varna what you offer?

Changes in the size and number coil wire? Changes in the components circuit ..???

[mesy64]

ivconic Drtrh I found the original design you a conflict
22k potentiometer connected to the resistance seems to be in the original design is 4.3k but your 470k plan is
Which is the real value??? 4.3k or 470k????

[mikebg]

TX for Sine induction

This circuit diagram is my design that works well despite 6 deficiencies. Coils and tank data I copied from an old Garrett sensor and P-I controller - from ADS Deepseeker. I tried speed of automatic control by pomping sensing head over salt water with a max frequency 2Hz. The automatics suppresses well amplitude modulation of TX and GND balance can be adjusted easily.
However, designers of the REMI group still saw my diagram, found 6 deficiency:
1. For increasing TX power, coil resistance should be reduced 2 - 3 times,
2. For efficiency, tank capacitance C5 should be increased 10 times,
3. For antenna matching, TX coil shoud have a center tap,
4. For Q2 should be used a MOSFET IRF510 (because all their designs of TXs for amateur radio use this ancient and obsolete type transistor),
5. For minimum settling time, should be used a P-I-D controller instead shown P-I controller.
6. The parameters of P-I-D controller shoud be adjusted to suppress amplitude modulation 12Hz.
Now, I expect the group to design for me a test equipment "Absorbing modulator for TX coil".
Mike BG

[mesy64]

This circuit diagram is my design that works well despite 6 deficiencies. Coils and tank data I copied from an old Garrett sensor and P-I controller - from ADS Deepseeker. I tried speed of automatic control by pomping sensing head over salt water with a max frequency 2Hz. The automatics suppresses well amplitude modulation of TX and GND balance can be adjusted easily.
However, designers of the REMI group still saw my diagram, found 6 deficiency:
1. For increasing TX power, coil resistance should be reduced 2 - 3 times,
2. For efficiency, tank capacitance C5 should be increased 10 times,
3. For antenna matching, TX coil shoud have a center tap,
4. For Q2 should be used a MOSFET IRF510 (because all their designs of TXs for amateur radio use this ancient and obsolete type transistor),
5. For minimum settling time, should be used a P-I-D controller instead shown P-I controller.
6. The parameters of P-I-D controller shoud be adjusted to suppress amplitude modulation 12Hz.
Now, I expect the group to design for me a test equipment "Absorbing modulator for TX coil".
Mike BG

Hello Friend's

tank you for Posted Schematic

Is whether this osilator replace the t / r varna to??

Varna is the working frequency 11kh

If you are connected and how to replace the previous osilator what form is?

I rx number of coils around time to change?

With respect

mesyna

[ivconic]

Mesy64 i have PERFECT solution for you!

Look here:

http://www.geotech1.com/forums/showt...ighlight=tm808

Most powerfull T/R ever made!

Make it and enjoy!

And look up this link:

http://www.geotech1.com/forums/showt...ighlight=tm808

Vistac is also girl from Iran, Solmaz is the name. She is also making T/R . You can contact her and exchange experiences....
Maybe you already know her?

P.S.
By the way; can you post some photos of you works until now? I am very interested to see what have you been done lately..some metal detector...something..?
Do you have any photo of you with metal detector?
C'mon...show good will and post something!

[ivconic]

ivconic Drtrh I found the original design you a conflict
22k potentiometer connected to the resistance seems to be in the original design is 4.3k but your 470k plan is
Which is the real value??? 4.3k or 470k????

Yes you are right! I made mistake!
It is 4K7 not 470K !
Thanks!

[ivconic]

Hello Friend's

tank you for Posted Schematic

Is whether this osilator replace the t / r varna to??

Varna is the working frequency 11kh

If you are connected and how to replace the previous osilator what form is?

I rx number of coils around time to change?

With respect

mesyna

Mesy64 it is not about power here. This oscillator is already providing enough power. Did you made it already? How do you know it is not powerfull?
If you don't get enough depths than it is about coils setup and orientation - not about power.
Power is enough. But you must setup coils properly.
Again; take a photo of your handmade T/R and i will analyze and tell you what to do. Take photo of pcb and take photo of coils.
At this kind of detectors like T/R or TwoBox, coils setup and orientation is crucial. You must not allow much drift in coil asembly.
Give here photos if you want more help.
Regards!

[aft_72005]

Hi mesy 64
My guidance for you ,
sascho said, he built and designer of this towbox , and worked well without problems .

transmitter section interest me, I built only transmitter section
working excellent . as I read your messages , you are beginner .
don’t try exchange some part of detector section . this way ,devious you .

[mesy64]

hi ivconic
I made photos of the metal detector as active, I would give guide me please.
Varna ivconic comment sascho frequency of expression was something 11kh. But after I made when I reached 6.5kh frequency of coil are apart.
But when they are placed entirely on the frequency appears to 9kh. The cause of this frequency mismatch frequency sascho what can be?
In your opinion, there is enough power transmitter according to the purpose sascho 15 * 15 cm in 1 meter distance to reveal?
With respect
mesyna

[mesy64]

Hi mesy 64
My guidance for you ,
sascho said, he built and designer of this towbox , and worked well without problems .

transmitter section interest me, I built only transmitter section
working excellent . as I read your messages , you are beginner .
don’t try exchange some part of detector section . this way ,devious you .

Hello Friend's
In your opinion, this is a powerful transmitter and power is enough?
You built it? Frequency was how do you?
have you pcb from varna???please give to me
With respect
mesyna