a ham friend of mine built a transmitter from scratch.
In the garage I have a Sylvania 23Z9, (I just checked) so I have a private mini-museum too! It's a Compactron, from the dying days of tubes.
Do laptop LCDs lose luminance over time?
- (deSitter)
- (15)
- Aug. 4, 2002, 11:26:02 AM EDT
Apparently, yes.
- (a6l6e6x)
- (2)
- Aug. 4, 2002, 06:01:19 PM EDT
Bummer
- (deSitter)
- (1)
- Aug. 4, 2002, 07:27:58 PM EDT
Yep, slick feature
- (SpiceWare)
- Aug. 5, 2002, 09:37:06 AM EDT
Do desktop monitors do this too?
- (orion)
- (11)
- Aug. 4, 2002, 10:16:26 PM EDT
Yes.
- (static)
- (8)
- Aug. 4, 2002, 10:27:28 PM EDT
Some possible degradation mechanisms in TV/monitor tubes.
- (Another Scott)
- (7)
- Aug. 4, 2002, 11:19:03 PM EDT
Interesting data point there.
- (static)
- Aug. 4, 2002, 11:35:07 PM EDT
Tungsten cathodes - not -
- (Andrew Grygus)
- (4)
- Aug. 4, 2002, 11:57:35 PM EDT
You're right, of course. :-) Thanks.
-NT
- (Another Scott)
- Aug. 5, 2002, 12:04:49 AM EDT
Can ya ID the T-shirt tube?
- (Ashton)
- (2)
- Aug. 5, 2002, 07:30:28 AM EDT
It's an Amperex 211D
- (Andrew Grygus)
- (1)
- Aug. 5, 2002, 11:26:25 AM EDT
The last glowing anode I saw was in the early 1960's,...
- (a6l6e6x)
- Aug. 5, 2002, 08:53:44 PM EDT
Original Sonys..
- (Ashton)
- Aug. 5, 2002, 07:54:49 AM EDT
The luminance isn't from the LCD
- (SpiceWare)
- Aug. 5, 2002, 09:47:04 AM EDT
Had that happen to me a year or two ago
- (wharris2)
- Aug. 5, 2002, 11:55:22 AM EDT