Using a oscilloscope

cannikin · Mar 28, 2005

Hey Guys;

Wondering if you could help me out - Where can I find some good documentation on testing gear with an oscilloscope.

I have one but don't really know how to use it correctly.

I have a piece of gear that has a ground problem (I think), there 's a 60Hz spike that reads on the my spectrum analyzer when I run audio through the unit.

Thanks.

EmoRiot · Mar 28, 2005

Scenaria posted a great link to a PDF file last week. Looks pretty comprehensive to me, in terms of getting you off the ground and running with a scope.

I'm in the same boat your are and this article looked pretty awesome.

http://www.testmart.com/webdata/appnote/1603.PDF

BYacey · Mar 28, 2005

This is an excellent publication. When I was in post secondary they used this (although an older revision) for a training textbook. You will still find it beneficial to experiment lots with your scope to learn to interpret what you see and what to expect to see at certain points in a circuit under test.

cannikin · Mar 28, 2005

Thanks guys :grin:

Soeren_DK · Oct 13, 2005

I know this is an old topic but got a little quistion on how to connect a tonegenarator and a scope to a unit to read some messurments.

Wicth voltage a you using on the tonegenarator?

Best regards
Soeren

Soeren_DK · Oct 14, 2005

Anyone?

I know it a newbie quistion, but i am a little unsure about the balanced gear?

cannikin · Oct 14, 2005

I wish I could help you and I'm watching for replies, I would like to know this too....

Hopefully someone can give you the answer.

SSLtech · Oct 14, 2005

Signal on most balanced gear is between pins 2 & 3, HOWEVER...

There is no simple answer. -I refer you to posts on interfacing balanced and unbalanced gear. -The genny and scope are just unbalanced gear.

Basically if it's tranny on & out, go between 2 & 3. If it's transformerless diff in & out, the answer is either 2&1/3&1 or still 2&3, depending on input topology and output servo.

Keith

EZ81 · Oct 14, 2005

If your scope offers this function, you could use one input for each output pin and subtract both channels inside the scope (add channels with one inverted) , faking a differential scope input.

Soeren_DK · Oct 16, 2005

@SSLtech

What about the SSL Clone? What shall i do with the in and output topology?

Using a oscilloscope

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