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Tag Archives: Oddity
A Little Bit of Everything
(AI translated, from April 16, 2022) There are no interesting projects, so this will be a small gallery and some grumbling. I’ve complained about this more than once: Some industrial “chiller.” It seems we’ve already stepped well into the 21st … Continue reading
Strange Bulb
(AI translated, from March 19, 2022) A rather unusual bulb came into my hands: bulb Only two contacts. Based on the design, it looks like it could be a photo or some particle detector. Applying around 4kVDC causes a discharge … Continue reading
Epochal Yard Event
(AI translated, from March 2022) You go to the countryside for a bit, and when you come back home, you notice changes in the landscape. No wonder those suspicious old men were hanging around. Why on a Saturday? One of … Continue reading
XRF repair
(AI translated) Continuing while still feeling under the weather (symptoms suggest COVID, but PCR says no), I took another look at the old XRF. I have already somewhat explained how it works and mentioned that the “black fin” isn’t trying … Continue reading
Posted in AI translated, FPGA, MCU, Vandalising
Tagged AI, CPLD/FPGA, Oddity, Repair
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Magic Eye Tube
I found magic eye tube in my closet. It was removed from sold old radio. This tubes were used in old radio units to indicate fine tuning of radio station. In old tape recorders such tubes indicated recording level. I … Continue reading
Ferrite Core Memory
For recycle, we received some “Medical computer” and inside I found this nice thing. The DIMM nearby is to compare the sizes. A small ring, or core, of ferrite (a ferromagnetic ceramic) can be magnetized in either of two opposite … Continue reading
Barretter
Resistor inserted into a circuit to compensate for current changes (as those arising from temperature fluctuations) [syn: ballast resistor] B-300-G by NEC and unknown Soviet made. Tube filled with pure hydrogen and thing iron wire inside. When iron wire is … Continue reading
NOS Vacuum tubes
Arrived big box for recycling and I found big stock of NOS (New Old Stock) radio vacuum tubes. It is the set for repairing some scientific devices. Now these tubes are used in cool hifi audio amplifiers. According to documents, … Continue reading
Night Vision Monocular… maybe
Among the stuff prepared for recycle I found some electrooptical device: Side view On one side there is objective-lens: MIR-1; 2.8/37: Front view The other side is covered with big lens: End view There is small high DC voltage source … Continue reading
HV and High Frequency stuff
There was old stuff sales auction in some military base and our company acquired very old military radio equipments. All the stuff is the junk, but some details are interesting. Small view of all stuff High voltage, vacuum capacitors from … Continue reading