H spectrum tube first light

I LOVE finding out about different ways to appreciate the Sun and light in general. Use this forum to post your info or questions about various outside the mainstream ways to appreciate our life giving star!
Post Reply
Fabio_Imm
Ohhhhhh My!
Ohhhhhh My!
Posts: 91
Joined: Sun Oct 18, 2020 2:33 pm
Location: Emilia Romagna [Italy]
Has thanked: 214 times
Been thanked: 146 times

H spectrum tube first light

Post by Fabio_Imm »

Hello,
Today I received the H spectrum tubes ordered on Ebay.
Lacking the dedicated power supply, I am experimenting with some CCFL supply modules that I had laying around.
CCFL_PS.PNG
CCFL_PS.PNG (325.53 KiB) Viewed 534 times
So far they seem to work fine: the discharge is stable and nothing is overheating (duty cycle 20 seconds ON, one minute OFF). :hamster:
They are basically High Voltage, High Frequency, Current-Limited power supplies so the lifetime of the tube should be preserved.
The CCFL unit was drawing 1A from the 12V power supply, at least the power level was in line with the nameplate of the spectrum tube (1,000V @10mA). I'll take some proper measurements of the tube current once I have access to my lab, since we are currently on lockdown again :(

I'll keep you updated.

Cheers
Fabio


christian viladrich
Way More Fun to Share It!!
Way More Fun to Share It!!
Posts: 2145
Joined: Sun Jun 14, 2015 4:46 pm
Location: France
Has thanked: 1 time
Been thanked: 2703 times
Contact:

Re: H spectrum tube first light

Post by christian viladrich »

Great ! Keep up posted.


Christian Viladrich
Co-author of "Planetary Astronomy"
http://planetary-astronomy.com/
Editor of "Solar Astronomy"
http://www.astronomiesolaire.com/
Post Reply