Luka,
Most Nixie tubes only use one cathode at a time, so a single anode
resistor is sufficient for those types.
The B7971 uses a varying number of cathodes, so an anode resistor will
not result in constant cathode current, as its voltage drop is shared.
Use a resistor per cathode. Lower value resistors for longer cathodes
will result in a more even glow. A 20% variation in cathode current is
probably not noticeable.
On 1/22/2017 4:29 AM, Luka C wrote:
I'm actually planning on designing my own PCB for it with exact current
limiting for each segment as per datasheet. Did you do the same or did
you install just one anode resistor and how important is it to stick to
the datasheet in that sense?
Dana nedjelja, 22. siječnja 2017. u 06:13:02 UTC+1, korisnik gregebert
napisao je:
--
David Forbes, Tucson AZ
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