Thanks all Received a personal email saying the electrodes are coated with a substance meant to make these flicker so it could be difficult to make them glow steady. Too bad :( On Sunday, January 17, 2021 at 2:33:27 PM UTC+1 Bill van Dijk wrote:
> There are a number of on-line calculators to determine capacitor > reactance, for example: > > http://www.sengpielaudio.com/calculator-RC.htm > > Also, if you do use a capacitor make sure you use a class “Y” capacitor; > they are designed for use in an AC line. Anything else is a danger and / or > fire hazard! > > > > Bill > > > > *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On > Behalf Of *gregebert > *Sent:* Saturday, January 16, 2021 10:44 PM > *To:* neonixie-l <neoni...@googlegroups.com> > *Subject:* [neonixie-l] Re: Neon flickering flame bulb in overdrive > > > > At 60 Hz, a 0.27uF capacitor has 10K ohms of impedance. You would need to > use a non-polarized cap that can handle the ripple current, something under > 12mA. > > I cant vouch for how well that will work; it's a non-linear circuit so the > capacitor is not exposed to a steady sinusoidal waveform, so it's effective > impedance is probably much different. > > If I have some extra time, I'll run a SPICE simulation. > > On Saturday, January 16, 2021 at 6:41:38 PM UTC-8 w...@kitsunegari.net > wrote: > > We all know the flickering flame candle bulb (if you don't, what are you > doing here?) > I was wondering if there's a way to get this to glow stable. > So I removed the base and found a 30K 1/4W resistor in there (230V model) > I replaced this with a 10K 1W model to see what would happen. > Well, things happened... > It was glowing way more intense but still flickering and after 5 minutes > or so I noticed the rich bouquet of brûlante resistance (the resistor was > melting and you know the smell...) > So I contacted a certain YouTuber for advice and he told me perhaps it > would be possible but I need to use a combination of a resistor and a > capacitor (with discharge resistor across it) to get higher current with > less heat a combination. > > All good advise (I guess) but I have no idea about capacitor values > etcetera. > Can anyone help me in the direction to solve this? > Thanks in advance > > -- > > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neonixie-l+...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/9a7816d6-25db-4987-955f-510cef627a66n%40googlegroups.com > > <https://groups.google.com/d/msgid/neonixie-l/9a7816d6-25db-4987-955f-510cef627a66n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/e6252eab-84d1-4774-abce-4bed20cb8c30n%40googlegroups.com.
