Thank you for your reply.
Of course I used a current-controlled power supply. In addition to it, I added a 555 timer to trim the continuous current into 50 Hz square wave pulse current. <https://lh3.googleusercontent.com/-9qPeqCFe4iY/WQQqBfcKxRI/AAAAAAAAAAM/wC_3auMDtycCfih6zZ3nsuF8X_Xtbz3iQCLcB/s1600/in9%2Bdriver.JPG> gregebert於 2017年4月29日星期六 UTC+8下午12時57分44秒寫道： > > The only way I got my IN-9 to behave rationally was to use a > current-controlled power supply. > -- 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 post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/5b39ba72-4451-4f94-a9b7-c51bf6ac11f4%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
