The Cyber-Spy.Com Usenet Archive Feeds Directly
From The Open And Publicly Available Newsgroup
This Group And Thousands Of Others Are Available
On Most IS NNTP News Servers On Port 119.
Cyber-Spy.Com Is NOT Responsible For Any Topic,
Opinions Or Content Posted To This Or Any Other
Newsgroup. This Web Archive Of The Newsgroup And
Posts Are For Informational Purposes Only.
From: "Tarver Engineering"
References: <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <_F1l9.30$VI5.firstname.lastname@example.org> <email@example.com>
Subject: Re: (Avionics) How can this circuit produce an "inductive surge"?
Date: Fri, 27 Sep 2002 15:18:12 -0700
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
"Peter Gottlieb" wrote in message
> Are you talking common mode or normal mode?
> The statement "0.6 to 1.2 volts on the ground above Vcc" is unclear.
I am suggesting that Vcc can be less than ground.
I use a diode in the power input in my avionics designs to eliminate the
problem and facilitate passing RTCA DO-160.
> "Tarver Engineering" wrote in message
> > "Peter Gottlieb" wrote in message
> > news:_F1l9.30$VI5.firstname.lastname@example.org...
> > >
> > > "Tarver Engineering" wrote in message
> > > news:email@example.com...
> > > >
> > > > More problematic is only 0.6 to 1.2 volts on the ground above Vcc
> > > > required to turn electroniscs into smoke.
> > > How would that happen?
> > Chattering relay, voltage induced into the ground path, et al ...
> > Were you under some misconception that induction could only put voltage
> > the positive wires?
> > John
Go Back To The Cyber-Spy.Com
Usenet Web Archive Index Of
The sci.electronics.design Newsgroup