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Results 2351 - 2360 of 3952 in Forum

General Science and Electronics | trying to repair FRG-7 receiver
Posted by hsieh on Friday 06 April 2012 - 15:46:07
Yes.When I turn preselect slowly from 2.3Mhz~2.6Mhz,the sound from the speaker first become slightly louder than become quiet again.If I remove the wi...
General Science and Electronics | trying to repair FRG-7 receiver
Posted by hsieh on Friday 06 April 2012 - 15:46:07
All the test you described are OK.I can hear audio tone come from the speaker in all tests. My receiver also make a lot of weird sound when I ...
General Science and Electronics | trying to repair FRG-7 receiver
Posted by hsieh on Friday 06 April 2012 - 15:46:07
...dial when - if - you hear the audio tone from the speaker. What is the frequency reading on the dial when this happens? Is there any indica...
General Science and Electronics | trying to repair FRG-7 receiver
Posted by hsieh on Friday 06 April 2012 - 15:46:07
Yes.When I turn preselect slowly from 2.3Mhz~2.6Mhz,the sound from the speaker first become slightly louder than become quiet again.If I remove the...
Projects | Rebuilding an x-ray tube.
Posted by plazmatron on Wednesday 04 April 2012 - 18:21:13
... fiber cathodes' - http://physics.technion.ac.il/~plasma/publications/EPJ_D_15_345.pdf I imagine that the X-ray triode could be configured as ...
Projects | Rebuilding an x-ray tube.
Posted by plazmatron on Wednesday 04 April 2012 - 18:21:13
... Fast Electrons from Grimm Glow Discharge Helium Plasmas Kouichi Tsuji, Hideyuki Matsuta and Kazuaki Wagatsuma Pulsed high voltages with a ...
General Science and Electronics | CRT pinout?
Posted by currentkills91 on Tuesday 03 April 2012 - 20:49:38
...w drive the horizontal deflection as if it were a speaker. If you want a horizontal baseline, you can rotate the yoke (or the TV) 90 degrees. Or con...
Tesla Coils | non-DR QCW's
Posted by Dr. ISOTOP on Monday 02 April 2012 - 18:53:54
..." I mean total streamer mass - or total volume of plasma. By streamer growth, I mean the shape given to that given volume of streamer mass caused by t...
Tesla Coils | non-DR QCW's
Posted by Dr. ISOTOP on Monday 02 April 2012 - 18:53:54
...h out. This is the only way I know of to keep the plasma column straight. Well correction, you can also use a larger e-field (bigger toroid) ...
General Science and Electronics | Problems with a slayer exciter circuit.
Posted by GrantX on Monday 02 April 2012 - 12:15:02
...ave slightly better results. I could get a jet of plasma coming off the end of the L2 coil and could light up a CCFL from around 1 feet away as seen h...

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