Re: [neonixie-l] Re: Large nixie display, current discrepancies

2011-03-10 Thread JohnK
But, the 1% resistors make the current measurement easier. John K. - Original Message - On 3/9/11 8:47 AM, Jarek wrote: I purposely bought 1% .5W resistors, and did all the testing with the '8' digit. There's precision, and then there's precision. Nixie tubes are in the 5%

[neonixie-l] Re: Large nixie display, current discrepancies

2011-03-09 Thread Nick
On Mar 9, 8:46 am, JohnK yend...@internode.on.net wrote: How about you check the tolerance % of the resistors.  Did you use 10%, 5% etc  ? And, how about you measure the voltage drop across each of the anode resistors in turn and with different digits ON. BTWQ, that current increase is

[neonixie-l] Re: Large nixie display, current discrepancies

2011-03-09 Thread Jarek
I purposely bought 1% .5W resistors, and did all the testing with the '8' digit. I'll test the current and voltage drop going through each tube. What value should I shoot for for the current and voltage drop? 2.0? 2.25? I've also heard that you should stick to optimal as close as you can... --

Re: [neonixie-l] Re: Large nixie display, current discrepancies

2011-03-09 Thread David Forbes
On 3/9/11 8:47 AM, Jarek wrote: I purposely bought 1% .5W resistors, and did all the testing with the '8' digit. I'll test the current and voltage drop going through each tube. What value should I shoot for for the current and voltage drop? 2.0? 2.25? I've also heard that you should stick to

[neonixie-l] Re: Large nixie display, current discrepancies

2011-03-09 Thread chuck richards
. Chuck Original Message From: dfor...@dakotacom.net To: neonixie-l@googlegroups.com Subject: Re: [neonixie-l] Re: Large nixie display, current discrepancies Date: Wed, 09 Mar 2011 09:17:48 -0700 On 3/9/11 8:47 AM, Jarek wrote: I purposely bought 1% .5W resistors, and did all the testing