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Forums
4hv.org :: Forums :: General Science and Electronics
4hv.org :: Forums :: General Science and Electronics
General Science and Electronics Forum
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Does a transformer need an AC input that goes below 0V?
cduma
Mon Jul 30 2012, 09:57PM		 8 1074 Steve Conner
Tue Jul 31 2012, 07:32PM
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Amplifier and EM Questions
blackgrunge
Sun Jul 29 2012, 12:09AM		 8 1326 blackgrunge
Mon Jul 30 2012, 03:50PM
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3 pin hard drive motor Go to page: 1 2
alf
Sun Jul 01 2012, 10:04AM		 12 3065 Dr. Slack
Sat Jul 28 2012, 05:23PM
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TeslaCoil grounding Go to page: 1 2 3
Unleashed
Tue Jul 24 2012, 09:33PM		 22 2492 PhilGood
Fri Jul 27 2012, 06:40PM
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Making thermocouples with HV!
2Spoons
Wed Jul 25 2012, 02:02AM		 7 1099 GeordieBoy
Fri Jul 27 2012, 01:35PM
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Bridge diode to Single diode
zzz_julian_zzz
Thu Jul 26 2012, 03:21AM		 7 1506 Dr. Dark Current
Fri Jul 27 2012, 09:49AM
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IGBT driver problems Go to page: 1 2
Pinkamena
Wed Jul 25 2012, 08:20PM		 11 1922 Pinkamena
Thu Jul 26 2012, 07:24PM
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Sump pump timer
cduma
Wed Jul 25 2012, 12:37PM		 2 1120 Ben Solon
Wed Jul 25 2012, 05:48PM
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MOT full wave rectification and grounding problems Go to page: 1 2
PhilGood
Sun Jul 22 2012, 12:21AM		 14 8554 PhilGood
Wed Jul 25 2012, 06:25AM
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Ferrite Go to page: 1 2 3
Adam Munich
Wed Mar 30 2011, 01:59AM		 27 2972 Ash Small
Tue Jul 24 2012, 09:59PM
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Economical safe way to ship tubes?
Luceš
Mon Jul 23 2012, 03:32AM		 7 1142 Luceš
Tue Jul 24 2012, 03:37PM
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Backup 12v Charger for Solar System
randommscience117
Tue Jul 24 2012, 04:28AM		 5 827 Steve Conner
Tue Jul 24 2012, 08:48AM
No new posts on popular topic
Measuring high DC amperage Go to page: 1 2
Storken
Fri Jul 20 2012, 08:23PM		 17 2004 Avalanche
Tue Jul 24 2012, 08:16AM
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confusing circuit
lewylln
Sun Jul 22 2012, 10:50AM		 9 1913 Ben Solon
Mon Jul 23 2012, 05:05PM
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Can I Improve It?
currentkills91
Sun Jul 22 2012, 08:04AM		 6 1414 currentkills91
Sun Jul 22 2012, 09:43PM
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TDS360 Oscilloscope help
Pieznice29
Fri Jul 20 2012, 09:39PM		 4 923 Pieznice29
Sat Jul 21 2012, 10:10AM
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Printing PCB layout in Eagle
uzzors2k
Fri Jul 20 2012, 09:10AM		 5 775 genious 7
Sat Jul 21 2012, 12:43AM
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Alternatives to UCC Gate Driver Chips
Unleashed
Tue Jul 10 2012, 08:09PM		 5 1031 genious 7
Sat Jul 21 2012, 12:40AM
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How easily can crystal ear pieces fail?
Alex M
Wed Jul 18 2012, 09:43PM		 6 956 Alex M
Sat Jul 21 2012, 12:10AM
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Bipolar transistor base driver
Dr. Dark Current
Fri Jul 20 2012, 10:50AM		 5 849 Electra
Fri Jul 20 2012, 09:03PM
No new posts on popular topic
Which oscilloscope? Go to page: 1 2 3 4 5
PhilGood
Sun Jul 08 2012, 12:54PM		 40 4425 PhilGood
Fri Jul 20 2012, 08:13AM
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programs for simulating flyback performance
Microwatt
Tue Jul 17 2012, 11:45PM		 3 616 Mattski
Thu Jul 19 2012, 03:39PM
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New experimental topology – the tricky way to use multi-phase bridge~ Go to page: 1 2
DrRMR
Wed Jul 18 2012, 11:48AM		 14 1517 Ben Solon
Thu Jul 19 2012, 02:17AM
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pcb layouts
Microwatt
Tue Jul 17 2012, 02:28AM		 3 542 Ben Solon
Tue Jul 17 2012, 10:02PM
No new posts on popular topic
RC Model Servo Motors Go to page: 1 2
IntraWinding
Fri Jul 13 2012, 10:49PM		 11 1391 IntraWinding
Tue Jul 17 2012, 11:11AM
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