Hi,
A while ago, (probably a long while ago..) there was a construction article in one of the electronics magazines. It was basically a simple night light that used an old gas regulator tube as the light source and I believe a couple of mirrors. I'm not sure if this appeared in a Nuts and Volts or Popular Electronics or Radio Electronics or maybe even one of the semi-annual project magazines that used to come out. In any case I would like to find that article if possible.
Sorry I can't be more specific than this but unfortunately that's all I remember about it.
Recreating the circuit isn't an issue, just want the article...
Thanks,
Kerry
Project (Night light)
Night Light
Hi,
Thanks for the quick response!
A pix would be great..
Schematic appreciated,
Name and month of the magazine and you'll have made an old tech very happy! I have been trying to locate this for some time now.
Kerry
Thanks for the quick response!
A pix would be great..
Schematic appreciated,
Name and month of the magazine and you'll have made an old tech very happy! I have been trying to locate this for some time now.
Kerry
- dacflyer
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hi again,, i am still looking for the magazine..cannot find it yet,,still digging thru stacks of books..
i will try to post a few fotos now, if i can..if not , then i will e-mail them to you..
the tube used is a voltage regulator tube "OA3" the tube i use is pumped with neon gas,,altho some were pumped with argon and a touch of mercury,and gave off a bluish glow..but it was weak, the common neon ones worked best, and were brightest.
the tube socket i used was actually a 8 pin relay socket with a notched keyway..it was perfect for this project since this socket was a older version made of melmack?
all the parts mounted neatly too..
i will describe the parts and connections here.. i hope you understand them,,
1st the parts list..
1 - 47k 2 watt
1 - 1.5k 5 watt
1 - 82ohm 1 watt
1 - 22µf 250 volt axiel cap ( type with lead on each end )
1 - 1N4004 dioad (from junkbox )
1 - 1/2 amp fuze for safety
ok, heres how to connect it.. the relay base (tube socket ) has a number for each connection. they are in the order as such.. 6-5-4-3
tube
7-8-1-2
keyway is between pin 1 & 8
ok here goes the connections,, its easy.
power cord connects to fuze then to pin 7
82ohm resistor connects from pin 7 then anode of dioad connects to 82ohm resistor ( solider in series ) then cathode of dioad connects to pin 8 of socket.
next,, you will parallel the 22µf cap. across 47k resistor..then connect it to pins 8 and 2...NOTE neg. side of cap will connect to pin 2 .
the other end of power cord will connect to pin 2 also.
next and last... connect the 1.5k resistor to pins 3 and 5.
ok,, now i will attempt to add the fotos...
good luck,, let me know what happens
i do not know what the life of this tube will be if left on all the time,, mine i just turn it on long enough to show friends how cool it is..
i have mine sitting on top of my 1937 SEARS SILVERTONE radio.
its all restored also.. love it !
i will still look for the artical too..
i will try to post a few fotos now, if i can..if not , then i will e-mail them to you..
the tube used is a voltage regulator tube "OA3" the tube i use is pumped with neon gas,,altho some were pumped with argon and a touch of mercury,and gave off a bluish glow..but it was weak, the common neon ones worked best, and were brightest.
the tube socket i used was actually a 8 pin relay socket with a notched keyway..it was perfect for this project since this socket was a older version made of melmack?
all the parts mounted neatly too..
i will describe the parts and connections here.. i hope you understand them,,
1st the parts list..
1 - 47k 2 watt
1 - 1.5k 5 watt
1 - 82ohm 1 watt
1 - 22µf 250 volt axiel cap ( type with lead on each end )
1 - 1N4004 dioad (from junkbox )
1 - 1/2 amp fuze for safety
ok, heres how to connect it.. the relay base (tube socket ) has a number for each connection. they are in the order as such.. 6-5-4-3
tube
7-8-1-2
keyway is between pin 1 & 8
ok here goes the connections,, its easy.
power cord connects to fuze then to pin 7
82ohm resistor connects from pin 7 then anode of dioad connects to 82ohm resistor ( solider in series ) then cathode of dioad connects to pin 8 of socket.
next,, you will parallel the 22µf cap. across 47k resistor..then connect it to pins 8 and 2...NOTE neg. side of cap will connect to pin 2 .
the other end of power cord will connect to pin 2 also.
next and last... connect the 1.5k resistor to pins 3 and 5.
ok,, now i will attempt to add the fotos...
good luck,, let me know what happens
i do not know what the life of this tube will be if left on all the time,, mine i just turn it on long enough to show friends how cool it is..
i have mine sitting on top of my 1937 SEARS SILVERTONE radio.
its all restored also.. love it !
i will still look for the artical too..
Sorry to bug youdacflyer wrote:sorry about the delay, but i still haven't found the artical.. i am almost sure it was in a "electronics now" magazine.
i hope its not lost.. will keep looking..will let you know also when i give up..
Did you ever find the article? I'd still like to find a copy ofwhatever magazine that was in...
Kerry
Re:
Checking back for my two year (approx) update...dacflyer wrote:sorry, totally forgot about it ...i will try to find time and dig for it again...
Any luck??? (grin)
Kerry
- dacflyer
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Re: Project (Night light)
sorry, never found the article.. best i could do for you is to draw out a schematic.
if you like i can do it sometime soon then try to post it here..
if you like i can do it sometime soon then try to post it here..
- frhrwa
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- Location: Eastern Washington (state) and N. Las Vegas (winter)
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Re: Project (Night light)
JESUS”…… don’t leave EARTH without HIM!
Re: Project (Night light)
No need for the schematic..but thanks anyways..dacflyer wrote:sorry, never found the article.. best i could do for you is to draw out a schematic.
if you like i can do it sometime soon then try to post it here..
A little more INFO....maybe.
It appears that the article may have appeared in the March, 1995 issue of Popular Electronics, if that helps to jog anyone's memory a bit.
Kerry
- frhrwa
- Posts: 897
- Joined: Mon Feb 04, 2002 1:01 am
- Location: Eastern Washington (state) and N. Las Vegas (winter)
- Contact:
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