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PW:
Stalker is showing which schematic he is following. It is the same as what we are looking into, here. The complicated one...I think that Itsu is familiar with that version. As I believe that he built it, or something similar, at one time.
Why Stalker chooses to "complicate" things, is a bit illusive to me as well, but, what do I know. Although, I was one that was going to build that particular circuit. However, I also found it very complicated, myself, and wondered the same thing. Is this really the easiest best way to go??? And I'm still hesitant on going there, before all the dust clears. What dust, you may ask? Well how about we start with the base resistor R17 circuit, as it's just plain wrong, and anyone going there will blow the transistor, again, and again. Or won't get it to kick on, at all. Unless, unless you know what you're doing. Which most of us don't, and will step right into that hole. Like I did, and Itsu, and Vasik. So, how about we correct that first... Or not, it's up to whoever wants it to work, the FIRST time.
NickZ
Vasik: Good to hear back from you, we missed you here. I figured that you would also have problems with the base circuit, from the way it's drawn out, 100 to 150 volt pulses, needs correction, perhaps like much less than the 1.5 amp current limit, 1.5v base voltage, or less.
Most of these schematics do need some updating. Now that we know, like what actual value the R17 should be for the given voltage/current needed. And, yes, it will involve a trimmer pot, like Itsu had to install, for any variable voltages. First stumble, over with...
Cheers.
« Last Edit: 2021-06-24, 15:04:02 by NickZ »
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Author
Topic: Dally, Shark & Ruslan workbench (Read 310157 times)
