distortion analyzer recomendations?

[Roar Malmin]

I am not able to resist. I freely admit that vanity got the best of me. I have been using a Panasonic VP7722 for the last 15 years, which is an excellent instrument. BUT, R&S just brought to market a contraption called UPV. Fully balanced, dual channel, analog and digital domain. Runs under Windows XP Embedded. Programmability guys. FFT noise floor -140dB. Dynamic range 170dB. The best there is in Norway right now.

[Babowana]

Originally posted by jackinnj


Tektronix DA4084 and AA501, Krohn-Hite 6900, Boonton 1120 and 1130, HP334, 339

Thanks for the info.
I however could find none here . . .

[jackinnj]

Originally posted by Henry Pootel
What about using this to put one together?

http://focus.ti.com/docs/toolsw/fold...71evm-pdk.html

It comes with some software to measure THD and costs $149.

I am not sure if there is an API that you can use for your applications (what I would prefer).

I hope this helps.

The evaluation kit, fwiw, does not come with an interface -- this you have to purchase separately. the 5-6K Interface Board.

[Stefanoo]

i just opened on another section of this forum a similar post...and then.... i found this thread


Anyways, i downloaded the brochure of the analyzer mentiond on the post above.

http://www.rohde-schwarz.com/www/Dow...PV_bro_en.pdf/$file/UPV_bro_en.pdf


it looks very interesting....is it the same of what you are talking about on your post?
If so, how much it costs? do you have an evaluate version dr you bought the complete interface?

[Roar Malmin]

Including local tax, and the options that I bought, the price is a little over $40K.
Roar

[Stefanoo]

...wait....i don't want misunderstand the price.....

40k equal 40 thousands equal 40.000 $ ???

well....if so....preatty expencive and prohibitive for the majority of us!!!!!

[Roar Malmin]

Correct Stefano. I belive it is the best today, anywhere.

[ghg]

Interesting new toy, did you consider the AP range, too ?

Can you do some tests, like this ( taken from the AP2700 manual, copyright Audio Precision ) ?

BR

Gary G.

[jan.didden]

Audio Precision system 1 goes on eBay for 2k-3k depending on options. VERY good deal!

Jan Didden

[Nelson Pass]

OK....

As fun as they are, big budget analyzers are off-topic in a
DIY forum.

Centrally, besides non-electrical hand tools, the most essential
elements are (in essential order of starting out):

Multimeter - RADIO SHACK FOR $39 (think about a couple of these)

Soldering Iron - RADIO SHACK FOR $19

Variac - MARLIN P JONES FOR $39

Scope - ANYTHING DECENT you can get used.
1 MHz, 5 mV, dual channel, a trigger that works.

Everything else can be built with these.