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Strange Russian Transmitter Circuit

h whatever their Vdrop is 4 times a cycle.

s in the LC tank.

.

Would it close? Is there enough neon current to make that happen?

In a traditional 40w 240v T12 glowstart fitting, run current is around 0.25 A (due to pf), so preheat current is higher than that with neon shorted, go d knows what when its open, but I guess not much, its only a small neon. Wh ich suggests you may be right, and it'll open & close frequently. So it wou ld presumably switch between 2 transmitting bands as the bimetal opens & cl oses.

NT

Reply to
meow2222
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Those are NOT copper oxide. D220S (that is what they are on that bogus snake oil device schematics) are STABISTORS. It is like zeners but used in forward direction. Not any different from using a diode forward drop for low voltage reference and those are actually very similar to regular russian low signal silicon D220 diodes (close to 1N914, 1N4148 etc) and packed in the same package. The only difference is their forward drop was specified and supposed to be relatively constant and within tolerance. Trailing "S" (cyrillic "C") stays for "Stabistor". There were several different stabistors with voltage drops from 0.7 to 1.3 Volts available back then.

Also russian FL starters were not Neon -- they glow purple so it is more like argon or whatever else -- but that doesn't make much difference except higher strike voltage. Mains power is 220V 50Hz there.

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Reply to
Sergey Kubushyn

Thank you. So we have several pulses exciting the LC tank:

Stabistors taking 0.7-1.3v out the mains waveform Argon striking Argon dropping out of conduction Thermal switch closing Thermal switch opening Crud on the mains waveform will also reach the tank

The various pulses will give different resonant frequencies too, depending on what's conducting at the time.

NT

Reply to
meow2222

You mean like the N1?

Reply to
krw

Yes, can someone please build this and provide an updated circuit?

The Russians are so good at keeping things so simple they actually work.

Klaus Jensen

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Reply to
cjensen

Well, they knocked out the electronic defenses of a certain US frigate a few weeks ago, their jets fly sideways, and I love that supersonic torpedo.

Getting back. Is anyone interested in perhaps building the circuit in my OP? It's a security issue. We need to keep up with these guys.

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Klaus Jensen

Reply to
cjensen

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