Hi Marcin, Thank you fo rthe Russian data, I had not seen the first page nor the last page before. Did you do any translation of those pages? /Martin
On Saturday, February 16, 2013 4:45:54 PM UTC+1, marcin wrote: > I use google plus several years of my primary education. I was taught > Russian in the school. Hardly remember anything now. I am attaching > pages I have (in Russian but with a poor OCR). > Thanks for the info on coupling. I will start playing with regular > dekatrons to get filling about it. > Marcin > > On 16/02/2013 15:37, Dekatron42 wrote: > > Hi Marcin, > > No problem hijacking the thread as long as it stays on focus. ;) You > > don't happen to know anyone who can translate the Russian datasheets > > into English? Using Google translate takes a long time...... > > Have you looked at page 151-152 in "Electronic counting circuits" by > > J.B. dance? There you can find a very simple circuit showing how the > > output signal is taken from a Polyatron/Nixie circuit. > > The voltage level of the output pulse depends on the bias voltage the > > biasing network with resistors connected betwen the Polyatron and the > > Nixie to the H.T line sets, and also if the the resistor in the > > Anode/Cathode circuit is placed at the Cathode of the Polyatron or in > > the Anode of the Nixie, the voltage base level depends on the current > > flowing through the resistor and its value. You just need to couple that > > pulse through a capacitor and a voltage divider to a transistor or to a > > tube, just remember that it is a positive pulse if you use a tube and > > also use a coupling circuit that doesn't load the Polyatron/Nixie > > circuit as it will otherwise not work correctly. The output pulse drops > > from the bias voltage to the voltage across the Polyatron and Cathode > > resistor, but if the resistor is placed at the Anode of the Nixie just > > to the voltage across the Polyatron. > > /Martin > > > > On Saturday, February 16, 2013 1:42:06 PM UTC+1, marcin wrote: > > > > Hi Martin, > > it seems we are exactly at the same point. I have the original > > Russian datasheet, a simple drawing showing A-201 connection found > > on a Russian forum and that is all. I have looked through Russian > > web sites and did not find any mention about any A-201 usage. But > > that is often true for many Russian valves. Well it is similar when > > I try to find datasheet for a US Army/Navy/Air CTRs... > > What I want to do is a clock (of course) with IN-18 being driven by > > A-201s. The A-201 are supposed to be cascaded using cold cathode > > thyratrons. Kind of 'all tube' clock. My problem right now is that I > > am a happy owner of a single A-201. So, cant do any experiments with > > cascading. For the clock I of course need 6 of them, so I still need > > 5! Anybody would like part with their A-201? I offer money or Polish > > nixies including many special character types. Gosh Martin, now I > > see I have stolen your thread. I am sorry!!! > > Cheers! > > Marcin > > > > On Saturday, February 16, 2013 1:16:00 PM UTC+1, Dekatron42 wrote: > > > > Hi All, > > Does anyone have a circuit diagram for the Russian Polyatron > > A-201 that they could share with me - I have the datasheet (a > > few different versions) and also some information from other > > books but nothing that shows an actual circuit with the A-201 in > > it. I can get it to work with whats in the datasheets but i > > would like to find an instrument or a true application that > > actually used them > > /Martin > > > > -- > > You received this message because you are subscribed to the Google > > Groups "neonixie-l" group. > > To unsubscribe from this group and stop receiving emails from it, send > > an email to neonixie-l+...@googlegroups.com <javascript:>. > > To post to this group, send an email to > > neoni...@googlegroups.com<javascript:>. > > > To view this discussion on the web, visit > > https://groups.google.com/d/msg/neonixie-l/-/CRBzsdz2pwMJ. > > For more options, visit https://groups.google.com/groups/opt_out. > > > > > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msg/neonixie-l/-/CIiH4sJCmeEJ. For more options, visit https://groups.google.com/groups/opt_out.
