Search found 5 matches

by jwzumwalt
Sun Feb 05, 2006 3:07 am
Forum: General Discussion
Topic: Home Made Oscope
Replies: 14
Views: 3113

Re: Home Made Oscope

While this will not help you on this project, there is a home made Audio scop that attaches through a computers sound card. Best part of it is it's free!

linux http://linux.maruhn.com/sec/oscope.html
ms http://www.hitsquad.com/smm/programs/VA/
JZ
by jwzumwalt
Sun Feb 05, 2006 2:55 am
Forum: General Discussion
Topic: xlr and 1/4" pre-amp
Replies: 0
Views: 719

xlr and 1/4" pre-amp

I once saw a circuit in "Electronics Now" for a dual "XLR" or "1/4" audio pre-amp input circuit. Does anyone have a schematic that could be sent my direction?

Thanks, JZ
by jwzumwalt
Sun Feb 05, 2006 2:54 am
Forum: General Discussion
Topic: Simple high audio amp
Replies: 6
Views: 1614

Re: Simple high audio amp

I just wanted to thank everyone for the help. I browsed some of the links you folks provided and found what I needed.

Jan Zumwalt
by jwzumwalt
Thu Feb 02, 2006 12:14 am
Forum: General Discussion
Topic: precise location in space
Replies: 32
Views: 10507

Re: precise location in space

The technology that use to be used in aviation is "phase angle" change. Essentialy, you broadcast a long wavelength signal from multiple stations synchronized and sum or subtract the recived signal to see how far of the sine phase they are - this becomes a fraction of the distance ratio. For example...
by jwzumwalt
Wed Feb 01, 2006 11:49 pm
Forum: General Discussion
Topic: Simple high audio amp
Replies: 6
Views: 1614

Simple high audio amp

1) I am interested in a very simple high power audio amp circuit for a church PA system. Modest quality is fine. Can someone suggest a high power IC/transister & circuit for this application? I would prefer a single chip but a push/pull would be fine. I looked for single chip solutions from Dallas a...