Search found 18 matches

by i_myself_matthew
Wed Jul 30, 2003 8:02 pm
Forum: General Discussion
Topic: WTB for friend: Cheap 12V 20A supply
Replies: 10
Views: 5831

Re: WTB for friend: Cheap 12V 20A supply

I am in the process of making a power supply for a ham radio, and I am stringing 3 computer switching supplies in series and using the 5vdc supply. You can set the calibration pots in each supply to add up to around 12 volts instead of 15. I just made sure that each supply was rated for 20 amps on 5...
by i_myself_matthew
Wed Jul 30, 2003 7:43 pm
Forum: General Discussion
Topic: High Voltage Logic
Replies: 4
Views: 2829

Re: High Voltage Logic

Thank You, Electronix Express has the 74141 for only $2.50 a chip, much cheaper than other places.
by i_myself_matthew
Tue Jul 29, 2003 9:03 pm
Forum: General Discussion
Topic: High Voltage Logic
Replies: 4
Views: 2829

High Voltage Logic

I need a way of driving nixie tubes without breaking the bank. Nixie tubes are gas-filled tubes with numbers that run off of high voltage (about 170 volts DC). http://ourworld.compuserve.com/homepages/JasonRandHarper/NixieAllDigits.jpg http://www.cse.uconn.edu/cse/Courses/CSE208W/NumberConversion/Im...