Very very simple question about bridge rectifiers

[Harry Muscle]

In a bridge rectifier made of four diodes, which side is the supply (+) and
ground (-)? I'm assuming the supply (+) is on the side that both cathode
ends connect to, correct?

Thanks,
Harry




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[petrus bitbyter]

"Harry Muscle" <fake@AT@e-mail.com> schreef in bericht
news:3fe0a87d$1_1@corp.newsgroups.com...

In a bridge rectifier made of four diodes, which side is the supply (+)
and
ground (-)? I'm assuming the supply (+) is on the side that both cathode
ends connect to, correct?

Thanks,
Harry




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Harry,

It is.

petrus


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[Steve]

"Harry Muscle" <fake@AT@e-mail.com> wrote in message news:<3fe0a87d$1_1@corp.newsgroups.com>...

In a bridge rectifier made of four diodes, which side is the supply (+) and
ground (-)? I'm assuming the supply (+) is on the side that both cathode
ends connect to, correct?

Loads and loads and loads of information available on the net that
would have answered your question in less than a minute. I googled
"bridge rectifier circuit symbol" to get an explanatory diagram like
this one;

http://www.kpsec.freeuk.com/animated/brect.gif

or simply "bridge rectifier" to get a detailed tutorial from tpub.com
(excellent technical resource!)

http://www.tpub.com/neets/book7/27c.htm

 

[David Wood]

In a bridge rectifier made of four diodes, which side is the supply (+) and
ground (-)? I'm assuming the supply (+) is on the side that both cathode
ends connect to, correct?

Your terminology threw me at first. The input is AC so it has no
polarity. The pulsating DC output you refer to as the "supply" does
exhibit polarity as you indicate.

 

[P.R.Brady]

Steve wrote:

"Harry Muscle" <fake@AT@e-mail.com> wrote in message news:<3fe0a87d$1_1@corp.newsgroups.com>...

In a bridge rectifier made of four diodes, which side is the supply (+) and
ground (-)? I'm assuming the supply (+) is on the side that both cathode
ends connect to, correct?



Loads and loads and loads of information available on the net that
would have answered your question in less than a minute. I googled
"bridge rectifier circuit symbol" to get an explanatory diagram like
this one;

http://www.kpsec.freeuk.com/animated/brect.gif

or simply "bridge rectifier" to get a detailed tutorial from tpub.com
(excellent technical resource!)

http://www.tpub.com/neets/book7/27c.htm

Er... just check the current flow directions on his first blue diagram
and in the explanation. Looks distinctly reversed to me!

Phil


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Phil Brady
Information Services
University of Wales, Bangor
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Tel +44 (0)1248 382960
Fax +44 (0)1248 383826

P.R.Brady@bangor.ac.uk