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4hv.org :: Forums :: General Science and Electronics
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crt power supply and defelection amps

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Myke
Wed Oct 01 2008, 01:20AM
Myke Registered Member #540 Joined: Mon Feb 19 2007, 07:49PM
Location: MIT
Posts: 969
Try a freewheeling diode anti parallel to the coil like a coil gun to suppress the voltage spikes?
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uzzors2k
Wed Oct 01 2008, 08:51PM
uzzors2k Registered Member #95 Joined: Thu Feb 09 2006, 04:57PM
Location: Norway
Posts: 1308
That would disrupt the volt-seconds across the core, the voltage rise is necessary for the flyback topology to function.

A circuit would help Teslacoolguy. A note about what you're doing, you might find smps projects fun, but I absolutely hate them. I've found them far more complicated than any normal project, more time consuming and no where near as rewarding. Of course I assume you started this because you need a power supply to continue this project, catch-22. angry
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teslacoolguy
Thu Oct 02 2008, 12:44AM
teslacoolguy Registered Member #1107 Joined: Thu Nov 08 2007, 10:09PM
Location:
Posts: 792
Correct i did start this because i needed a psu for a crt tongue I am running the circut the same way i would run a single mosfet flyback transformer except i replaced the 555 circut with a function gen. I am doing some more research on flyback inverters so i hope that gets me someware.
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