icl8038 & amplifier!

[antonis]

FUCTION GENERATOR

http://www.4shared.com/photo/kSyK4Hfx/8038_function_generator_circui.html
http://www.4shared.com/photo/rU3xMzIs/8038_function_generator_compon.html
http://www.4shared.com/photo/7k6GdQ0z/pcb_jumpers.html
http://www.4shared.com/photo/VcF8qJlT/pcb_original_size.html
http://www.4shared.com/folder/TvKH1kyS/8038_function_generator.html

AMPLIFIER 40 WATT

http://electroschematics.com/513/1-chip-40-watt-amplifier/
ALWAYAS BE CONNECTED AMPLIFIER AND FFUCTION GENERATOR TO BRAKE THE MAGNETIC FIELD YOU CAN USE INVERTERS! TO CHARGE USE AMPLIFIER OVER 500WATTS!

[Sneshko]

Bravo аntonis !
Congratulations!
This is a very elegant solution to any MFD device!
Thank you very much!
Regards!
Sneshko

[Sneshko]

Dear Antonis!
Would you like to share with us your project of Frekvrencmeter the image below?
Schematic, PCB, Parts list ... The complete project?

http://img198.imageshack.us/img198/3481/26428462.jpg (http://imageshack.us/photo/my-images/198/26428462.jpg/)

Thank you very much in advance!!! :)
All Best!!!
Sneshko

[Geo]

It is better and maybe more cheap to buy from ebay a DDS generator with frequency read.
Then connect a power amplifier with a transformer and you are ok.

[Sneshko]

Thanks for the information Geo! :)
However, Serbia is not possible to pay Ebay.
Balcan is hir...
Regards!
Sneshko

[Geo]

Thanks for the information Geo! :)
However, Serbia is not possible to pay Ebay.
Balcan is hir...
Regards!
Sneshko

Very bad....:angry:

[antonis]

http://www.seekic.com/circuit_diagram/Automotive_Circuit/8038_function_generator_circuit.html

frequency generator .

[antonis]

http://www.google.gr/search?hl=el&q=8038+fuction+generator+schematic&biw=1280&bih=923&bav=on.2,or.r_gc.r_pw.r_qf.&um=1&ie=UTF-8&tbm=isch&source=og&sa=N&tab=wi&ei=_5MKUc-pEcGl0AWn6YGACQ#um=1&hl=el&tbo=d&tbm=isch&spell=1&q=8038+function+generator+schematic&sa=X&ei=AZQKUd3yC4uY1AXPvYGQBw&ved=0CEwQvwUoAA&bav=on.2,or.r_gc.r_pw.r_qf.&bvm=bv.41642243,d.d2k&fp=7eebf518e32e2205&biw=1280&bih=923

[Sneshko]

Thank you very much antonis!
Regards!
Sneshko

[goldfinder]

This chip has been around for years. It is fine if you don't care about frequency accuracy. It will drift in frequency depending on ambient temperature so if this is for some kind of electronic dowsing and you want frequency stability this is not what you want.

Also, what is this thread doing in the dowsing section? It should be LRL sections.
Goldfinder

[goldfinder]

It is better and maybe more cheap to buy from ebay a DDS generator with frequency read.
Then connect a power amplifier with a transformer and you are ok.

Geo has the right idea on this. Buy a simple off-the-shelf signal generator and amplify the signal (as if amplification does anything!). The chips that use a RC network to get the frequency (e.g. 555 or others) will drift because of temperature changes and the resistor and capacitor both change with temperature, the cap more than anything, so the original frequency being generated changes. A crystal driven or PIC driven signal generator is much more stable.
Goldfinder

[reza vir]

FUCTION GENERATOR

http://www.4shared.com/photo/kSyK4Hfx/8038_function_generator_circui.html
http://www.4shared.com/photo/rU3xMzIs/8038_function_generator_compon.html
http://www.4shared.com/photo/7k6GdQ0z/pcb_jumpers.html
http://www.4shared.com/photo/VcF8qJlT/pcb_original_size.html
http://www.4shared.com/folder/TvKH1kyS/8038_function_generator.html

AMPLIFIER 40 WATT

http://electroschematics.com/513/1-chip-40-watt-amplifier/
ALWAYAS BE CONNECTED AMPLIFIER AND FFUCTION GENERATOR TO BRAKE THE MAGNETIC FIELD YOU CAN USE INVERTERS! TO CHARGE USE AMPLIFIER OVER 500WATTS!

This generator is much better
http://www.longrangelocators.com/forums/showthread.php?t=19003