That was my point, really, I was trying to stay in the same reference
frame as your post. Given equal cathode current in both cases, the
multiplexed device will have lower brightness and greater tube life.
Given equal cathode current, the direct driven device will have higher
brightness and reduced tube life.
-Adam W7QI
On 9/20/2012 12:55 PM, Jeff Thomas wrote:
You forgot the other pro's:
- reduced power consumption
- dramatically increased tube life at equal cathode current.
-Adam
Right you are! :))
Here's a few more to support your posts:
- Less weight.
- Fewer calories.
- Smaller Carbon footprint.
Although in fairness, since were nitpicking here; you could make your
tube life comparison of operating at equal cathode current to direct
drive, to include the penalty of substantially reduced brightness.
Regards, Jeff
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