Main Menu
bullet Home
bullet Forum
bullet Members
bullet Member Map
bullet HvWiki
bullet Chat Room
bullet Submit News
bullet Site Rules
bullet Archives
bullet Visits
bullet Forum
Welcome
Username or Email:

Password:


Missing Code




[ ]
[ ]
Online
  • Guests: 30
  • Members: 0
  • Newest Member: omjtest
  • Most ever online: 396
    Guests: 396, Members: 0 on 12 Jan : 12:51
Members Birthdays:
All today's birthdays', congrats!
David.Lightman (55)
jonny5 (41)


Next birthdays
04/19 Nicko (57)
04/20 gentoo_daemon (43)
04/21 kilovolt (50)
Contact
If you need assistance, please send an email to forum at 4hv dot org. To ensure your email is not marked as spam, please include the phrase "4hv help" in the subject line. You can also find assistance via IRC, at irc.shadowworld.net, room #hvcomm.
Support 4hv.org!
Donate:
4hv.org is hosted on a dedicated server. Unfortunately, this server costs and we rely on the help of site members to keep 4hv.org running. Please consider donating. We will place your name on the thanks list and you'll be helping to keep 4hv.org alive and free for everyone. Members whose names appear in red bold have donated recently. Green bold denotes those who have recently donated to keep the server carbon neutral.


Special Thanks To:
  • Aaron Holmes
  • Aaron Wheeler
  • Adam Horden
  • Alan Scrimgeour
  • Andre
  • Andrew Haynes
  • Anonymous000
  • asabase
  • Austin Weil
  • barney
  • Barry
  • Bert Hickman
  • Bill Kukowski
  • Blitzorn
  • Brandon Paradelas
  • Bruce Bowling
  • BubeeMike
  • Byong Park
  • Cesiumsponge
  • Chris F.
  • Chris Hooper
  • Corey Worthington
  • Derek Woodroffe
  • Dalus
  • Dan Strother
  • Daniel Davis
  • Daniel Uhrenholt
  • datasheetarchive
  • Dave Billington
  • Dave Marshall
  • David F.
  • Dennis Rogers
  • drelectrix
  • Dr. John Gudenas
  • Dr. Spark
  • E.TexasTesla
  • eastvoltresearch
  • Eirik Taylor
  • Erik Dyakov
  • Erlend^SE
  • Finn Hammer
  • Firebug24k
  • GalliumMan
  • Gary Peterson
  • George Slade
  • GhostNull
  • Gordon Mcknight
  • Graham Armitage
  • Grant
  • GreySoul
  • Henry H
  • IamSmooth
  • In memory of Leo Powning
  • Jacob Cash
  • James Howells
  • James Pawson
  • Jeff Greenfield
  • Jeff Thomas
  • Jesse Frost
  • Jim Mitchell
  • jlr134
  • Joe Mastroianni
  • John Forcina
  • John Oberg
  • John Willcutt
  • Jon Newcomb
  • klugesmith
  • Leslie Wright
  • Lutz Hoffman
  • Mads Barnkob
  • Martin King
  • Mats Karlsson
  • Matt Gibson
  • Matthew Guidry
  • mbd
  • Michael D'Angelo
  • Mikkel
  • mileswaldron
  • mister_rf
  • Neil Foster
  • Nick de Smith
  • Nick Soroka
  • nicklenorp
  • Nik
  • Norman Stanley
  • Patrick Coleman
  • Paul Brodie
  • Paul Jordan
  • Paul Montgomery
  • Ped
  • Peter Krogen
  • Peter Terren
  • PhilGood
  • Richard Feldman
  • Robert Bush
  • Royce Bailey
  • Scott Fusare
  • Scott Newman
  • smiffy
  • Stella
  • Steven Busic
  • Steve Conner
  • Steve Jones
  • Steve Ward
  • Sulaiman
  • Thomas Coyle
  • Thomas A. Wallace
  • Thomas W
  • Timo
  • Torch
  • Ulf Jonsson
  • vasil
  • Vaxian
  • vladi mazzilli
  • wastehl
  • Weston
  • William Kim
  • William N.
  • William Stehl
  • Wesley Venis
The aforementioned have contributed financially to the continuing triumph of 4hv.org. They are deserving of my most heartfelt thanks.
Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
first  6 7 8 9 10 11 12 13 14 15  last
Create a new topic
  Topic Starter Replies Views Last Post
No unread posts
Induction header - Magnetic Field Concentration
nxplace
Fri Feb 03 2017, 07:20PM		 7 1564 jpsmith123
Sun Feb 05 2017, 07:32PM
No new posts on popular topic
large inductance measurements of Leybold coils (from 1uH up to 1 kH) Go to page: 1 2
Physikfan
Sat Jan 28 2017, 03:37PM		 17 3876 Dr. Slack
Thu Feb 02 2017, 07:22AM
No unread posts
Power Topologies pdf from TI
Sulaiman
Tue Jan 31 2017, 10:38AM		 4 927 Dr. Slack
Wed Feb 01 2017, 07:20AM
No unread posts
Mach 1 over a weekend
Nik
Sun Jan 22 2017, 08:16PM		 6 1433 Nik
Tue Jan 31 2017, 06:06PM
No new posts on popular topic
A problem with MOSFETs Go to page: 1 2
hyparh
Sun Jan 22 2017, 02:15PM		 11 2501 Conundrum
Tue Jan 31 2017, 05:24AM
No unread posts
Trying to workout the strange behavior of force and current
Plasma
Sat Jan 28 2017, 02:38AM		 3 713 Plasma
Sat Jan 28 2017, 03:28AM
No unread posts
Energy Density and Conversion.
Patrick
Sun Jan 22 2017, 01:57AM		 7 1017 Patrick
Mon Jan 23 2017, 04:14AM
No unread posts
Generic half bridge TO-247 IGBT/MOSFET PCB design
Hydron
Tue Jan 10 2017, 10:12PM		 4 2084 Hydron
Tue Jan 17 2017, 04:12PM
No unread posts
Royer induction heater component and design considerations -
Meatball
Tue Mar 11 2014, 07:18AM		 3 4470 kamelryttarn
Mon Jan 16 2017, 12:47PM
No unread posts
X-ray Tube Target Stuff
jpsmith123
Thu Jan 12 2017, 03:50PM		 1 751 jpsmith123
Thu Jan 12 2017, 03:50PM
No unread posts
Open source autorouter for stripboard
Bjørn
Thu Jan 12 2017, 02:56AM		 1 838 Bjørn
Thu Jan 12 2017, 02:56AM
No unread posts
Direct Methanol Fuel Cells.
Patrick
Sun Jan 08 2017, 01:15AM		 3 895 Patrick
Sun Jan 08 2017, 05:55AM
No new posts on popular topic
Is EmDrive actually just gibberish? Go to page: 1 2 3 4
Conundrum
Wed Nov 04 2015, 02:02PM		 35 5791 ...
Thu Jan 05 2017, 08:31PM
No new posts on popular topic
AA battery shoot-out. What's in a brand? Go to page: 1 2
Dr. Slack
Tue Jan 03 2017, 03:04PM		 10 2378 Dr. Slack
Thu Jan 05 2017, 11:26AM
No unread posts
SMPS: What topology for 3kW 36 V to 360 V converter?
Storken
Thu Dec 29 2016, 12:44AM		 6 1302 hen918
Sun Jan 01 2017, 12:09PM
No unread posts
Class C tube oscillator negative rail question
thresh
Fri Dec 23 2016, 12:22AM		 5 1088 thresh
Sat Dec 24 2016, 01:19PM
No unread posts
the folks drinking Heavy Water on video
Carbon_Rod
Fri Dec 23 2016, 02:56AM		 9 1185 Carbon_Rod
Sat Dec 24 2016, 05:43AM
No new posts on popular topic
Powering an Old, old geiger counter... Go to page: 1 2
Inducktion
Wed Dec 14 2016, 02:01AM		 18 3060 Proud Mary
Tue Dec 20 2016, 06:47PM
No unread posts
Who has built an HHO generator?
nzoomed
Sat Dec 10 2016, 08:55PM		 6 1326 nzoomed
Mon Dec 12 2016, 04:41AM
No new posts on popular topic
Question relating to electric guitar pickups and capacitance . Go to page: 1 2 3
Ash Small
Fri Feb 05 2016, 01:07AM		 23 4358 Ash Small
Fri Dec 09 2016, 12:01AM
No new posts on popular topic
Question relating to parallel inductors. Go to page: 1 2
Ash Small
Tue Dec 06 2016, 12:35PM		 11 2022 Ash Small
Thu Dec 08 2016, 11:50PM
No unread posts
If Tesla completed the Wardenclyffe tower...
nzoomed
Mon Dec 05 2016, 06:01AM		 4 1140 nzoomed
Wed Dec 07 2016, 03:09AM
No unread posts
'Water Battery': Charging water by means of a mini water bridge
Proud Mary
Mon Dec 05 2016, 11:46PM		 2 809 kimbomba
Tue Dec 06 2016, 01:45AM
No unread posts
To us that own a RIGOL
Finn Hammer
Thu Nov 24 2016, 09:02PM		 2 839 Antonio
Sun Dec 04 2016, 10:37PM
No unread posts
Bidirectional IGBT AC switch?
Kolas
Fri Oct 21 2016, 05:18AM		 6 2249 anokata
Sat Dec 03 2016, 06:36PM
first  6 7 8 9 10 11 12 13 14 15  last

Go to:

Create a new topic
Chris Russell, Noelle, Alex, Tesladownunder, Dave Marshall, Dave Billington, Bjørn, Steve Conner, Wolfram, Kizmo, Mads Barnkob users are browsing the forums at the moment ( members, guests)
Unread post exists New posts No unread posts No new posts Sticky Sticky Announcement Announcement
New posts on popular topic New posts [popular] No new posts on popular topic No new posts [popular] Sticky/Closed Sticky/Closed Closed topic Closed topic
You cannot start new topicsYou cannot post repliesYou cannot edit your posts
Powered by e107 Forum System

Go to:


Powered by e107 Forum System
 
Legal Information
This site is powered by e107, which is released under the GNU GPL License. All work on this site, except where otherwise noted, is licensed under a Creative Commons Attribution-ShareAlike 2.5 License. By submitting any information to this site, you agree that anything submitted will be so licensed. Please read our Disclaimer and Policies page for information on your rights and responsibilities regarding this site.