On 1/23/12 1:41 PM, kay486 wrote:
Optimal, meaning to asure longest life, yet being somewhat bright, not
completely dull.
A quick Google search for this tube yields Dieter Waechter's excellent
page, which lists the typical current as 4.5 mA.
http://www.tube-tester.com/sites/nixie/data/V600/
Hello.
In my "high current" MAX1771 PSU design I made several years ago, the
best results I got when I used a toroidal inductor with a current
rating of 10.3 A (Bourns 2200LL-470-RC), and a RSENSE peak current
setting of 5.33 A. I tried other inductors, including a physically
smaller 2100LL serie
On 12-01-23 04:16 PM, Jan Rychter wrote:
Have you tried a toroidal inductor? They're better behaved in this respect,
even though they're physically large, especially for the high current one you'd
need.
Hmm, I haven't considered that. They might indeed behave better. The inductor I
use is
On Jan 23, 2:29 pm, mike wrote:
> thank you all
>
> is there an easy way to use Dekatrons to do it
>
> thanks
>
> mike
To do what ?
How about an AC line sync timebase using a 'dekatron pendulum' ? The
animated .GIF on this overview page:
http://threeneurons.wordpress.com/dekatron-stuf
thank you all
is there an easy way to use Dekatrons to do it
thanks
mike
On Jan 23, 7:23 am, John Rehwinkel wrote:
> > I'm interested in a OXCO if anyone knows a good design.
>
> I haven't tried rolling my own, but the concept is simple - pop your crystal
> into a small insulated e
On 23 sty 2012, at 19:46, John Rehwinkel wrote:
>> A 0R025 RSENSE resistor means that we're ramping the current up to 4A before
>> releasing the energy stored in the inductor. 4A is a lot of current. The
>> magnetic field produced by the inductor is so strong that it affects
>> everything aroun
Optimal, meaning to asure longest life, yet being somewhat bright, not
completely dull.
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So could you tell me please, what voltage/current is optimal for the
tube? (btw the 3-5mA was from different tube, i messed up the info
sheet, it should be 3-6ma (20mA))
On Jan 23, 8:23 pm, David Forbes wrote:
> On 1/23/12 12:43 PM, kay486 wrote:
>
> > Hello there, can somebody tell me, what exa
On 1/23/12 12:43 PM, kay486 wrote:
Hello there, can somebody tell me, what exactly can i put into a tube
without demaging it. From what i understand, i can put there anything
between 3-5mA at 170V (think its DC, but correct me if im worng
please) And i assume that the 7mA *Katodenspitzenstrom* is
Hello there, can somebody tell me, what exactly can i put into a tube
without demaging it. From what i understand, i can put there anything
between 3-5mA at 170V (think its DC, but correct me if im worng
please) And i assume that the 7mA *Katodenspitzenstrom* is the peak
value that will burn the ca
> A 0R025 RSENSE resistor means that we're ramping the current up to 4A before
> releasing the energy stored in the inductor. 4A is a lot of current. The
> magnetic field produced by the inductor is so strong that it affects
> everything around it, even very carefully routed traces
> I did some
> Why not try a IN13 bargraph instead ? It only
> draws 4.5mA full scale. The color is different.
May or may not be different: IN-9s come in both purple (argon) and orange
(neon).
- John
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To post t
A while ago I posted about my problems with a MAX1771-based PSU that I was
designing and building, asking for advice. I did get some advice, which was
right -- but only partly so. Read on if you're interested in the details.
My board was based on Nick de Smith's design. What I wanted, though, is
On 15 sty 2012, at 00:37, Jon wrote:
> On Jan 14, 10:24 pm, Jan Rychter wrote:
>> On 14 sty 2012, at 18:37, marta_kson wrote:
>>
>> I think I'll need to redesign the board without the potentiometer, thus
>> bringing the FB resistors much closer to the chip.
>>
>
> I can't speak to the arcane
On Jan 23, 5:50 am, dr pepper wrote:
> Thats interesting, I'm using 4 by IN1's, OG3 ... dekatron.
> 210 out for the nixies, I use a 12k anode resistor, ... tubes are multiplexed
> by 5 (4 tubes and another slot for some neons).
>... uses a 555 ... produces and regulates 210 and ... doubler to
> gi
> I'm interested in a OXCO if anyone knows a good design.
I haven't tried rolling my own, but the concept is simple - pop your crystal
into a small insulated enclosure with a heater and thermostat, this avoiding
temperature related variations.
I generally just buy ready made crystal ovens. The
I'm interested in a OXCO if anyone knows a good design.
Also thought about receiving radio 4 on long wave 198 kc and dividing
down to 1hz, they use a rhubidium oscillator to make the carrier, dont
know why, I'm sure someone here does.
On 20 Jan, 18:42, Nicholas Stock wrote:
> GPS is the way to g
Thats interesting, I'm using 4 by IN1's, but not a a101 I have a OG3
single pulse dekatron.
I have a supply breadboarded, it puts 210 out for the nixies, I use a
12k anode resistor, befroe you shout my tubes are multiplexed by 5 (4
tubes and another slot for some neons).
My supply uses a 555 I like
On 23 sty 2012, at 04:10, threeneurons wrote:
>> Although, if you are using a voltage doubler to get your HV supply, you
>> will find that the supply sags as current increases
>>
>> -Adam W7Q
>>
>
> Yep, the ripple voltage increases dramatically, per multiplier stage,
> given the same curre
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