On 4/24/12 11:40 PM, StoopKid wrote:
I'm using 6 IN-14's and 6 russian 74141 equivalents. My PCB is already
made and when I want a tube to be blank I just throw it an invalid code.
But now I'm realizing that this it making them appear hazy instead of
off, like all of the digits are firing between one another. This goes
away if I turn down my voltage but to make it stop, I have to turn down
the voltage low enough so that some of the numbers don't completely
light up. Is there anything I can do about this?
Unfortunately, you don't have many good choices.
You can keep all digits lit at all times, or make new boards with anode
switches. The former is a lot easier.
Chalk it up to experience.
--
David Forbes, Tucson AZ
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