Build your own Test Equipment !!!

[Carlos]

forgiveness, committed an error, the correct regulador is the LM350, which provides a maximum current of 3 amperes

Carlos

[joecoin]

Let's not overlook one of the members here who has a lot of projects on his website:

http://www3.telus.net/chemelec/Projects/Projects.htm

Now, if only he would get that 2 box project going.

[Carlos]

change for the LM337 there are more currents.....3 amp.


Carlos

[Götz von Berlichingen]

What I am looking for now , are schematics for a dc power supply !!! 0-16 volts d.c. , adjustable is fine , one amp max with over-current protect is perfect . Any Schematic is welcome , and then we will decide which is the best one to build !! Solid-state Heathkit schematics are welcome Too !!! Thank-You for your comments and schematics.................Take Care...........Eugene

A LM317 is fine, if you like simple Solutions.
It has minimum output Voltage of 1.2 V, but i guess this can be hacked
if you connect the 5k pot to -1.2 Volts instead of ground.
http://www.national.com/mpf/LM/LM317.html

[Eugene52]

Bench top D.C. power supply

What I am looking for now , are schematics for a dc power supply !!! 0-16 volts d.c. , adjustable is fine , one amp max with over-current protect is perfect . Any Schematic is welcome , and then we will decide which is the best one to build !! Solid-state Heathkit schematics are welcome Too !!! Thank-You for your comments and schematics.................Take Care...........Eugene

[Eugene52]

Build your own Test Equipment !!!

Thank-You Fred and Carlos for your posts and input . The most important piece of test equipment , besides an oscilloscope or power supply is a Function Generator , But it must have a very , very low signal to noise and low THD !! I am still searching the internet and will post a few more generator circuits . I will try to put the real good ones I find , in a zip-file for easy reference . I know a good piece of test equipment can sure help to isolate noise problems or chatter with the Tesoro Golden Sabre Light circuit !!...........Regards............Eugene

[Fred]

Hi,
Expensve and only 300khz max...
Regards,
Fred.

[Carlos]

Les envio un medidor de periodo, lo utilizo para realizar las mediciones de los periodos de los tiempos del detector tipo pi. el contador cambio por el ci 74C926 de 4 digitos, funciona ok!!!
Carlos

They sent a meter of period time, use it for measurement of periods of time detector type pi. I change the IC for the 74C926 with 4 digit display, it works ok! there is in spanish

Carlos

[Eugene52]

Build your own Test Equipment !!!

The other circuit file was good too !!! Thank-You ................Eugene

[Eugene52]

Build your own Test Equipment !!!

Thanks Carlos for the information !!! The first file "xr2206" downloaded fast and looks good !! The second file has a problem ?? 6.98 megabytes , but it is still downloading , a few more hours , it is at 47% now . Thanks for posting these Projects , it is nice to have choices on what Function / Signal Generator to build !!!!! .............Regards..........Eugene

[Carlos]

More....
http://www.4shared.com/get/53376867/...ril_1985_.html


Carlos

[Carlos]

http://www.4shared.com/file/53390521...ified=6d822cad

With de XR2206

Carlos

[Fred]

Hi Eugene,
Thanks, that´s a nice one.
Now i need to find that IC ...
Regards,
Fred.

[Eugene52]

Build your own Test Equipment !!!

I found another function generator project . What I did on this one is , I put everything together in one zip-package . This project "KIT" is no longer available -anywhere . It can still be built and again , the MAX038 I.C. can still be found , if you search......This project was originally from a 1996 electronic magazine , and since the MAX038 i.c. chip is officially discontinued . It is ok for me to post this here , on this Great Forum.........Cheers...........Eugene

[Eugene52]

Build your own Test Equipment !!!

Here is another great little circuit from 2003 !!! 5 years ago !!! The ICL8038 is $18.00-$22.00 u.s. dollars , way over priced but still available in limited supplies........Regards...............Eugene