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Re: Is this how CCTV caneras die?
- Subject: Re: Is this how CCTV caneras die?
- From: "David Buckley" <db@xxxxxxxxxxx>
- Date: Sat, 10 Jul 2004 10:44:00 -0000
--- In ukha_d@xxxxxxx, "rb_ziggy" <richard.boreham@n...>
wrote:
> What I'm seeing is a horizontal pale band (sometimes 2)
> slowly scrolling down the picture and then starting from the
> top again.
hum bars.
very common.
you've got either an earth loop, or inadequate filtering on your DC
power supplies. Almost certainly the former.
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