Jump to content
Electronics-Lab.com Community


Recommended Posts

Any ideas on what methods to use to check various lengths (max of at least 100') of audio cable for things that may cause line noise or cutting in and out?  I have some ideas but need help.

What specifically causes line noise?

Another question I have that may play a part in this is how do devices detect different things using different voltages...Um how does a panel of buttons work that only have two wires going to it (with diff resistors).  (How does the receiving end differentiate between the voltages??)  Do transistor have a "cutoff point" or something or how does this work?

Thanks for your help.

Edit--- comparators--is that the thing in my last question?  What are they?  Also use for progress bar type thing.

Link to comment
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

  • Create New...