Käyttäjän decod31 kanava
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Playing with YBCO high temperature superconductor and liquid nitrogen
decod31
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Playing with YBCO high temperature superconductor and liquid nitrogen.
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Phase sensitive gain
decod31
130 views
Testing a parametric amplifier. The temperature is 0.04K (well below the quantum limit of the frequency range of interest). The amplifier is made of a superconductive niobi...
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Low frequency noise introduced by a pulse tube cryocooler.
decod31
861 views
This is a bit inside... but I was testing an aluminium Josephson junction in a dilution fridge cooled down to 0.04K and found an unintentional resonance at 5.8GHz. I utiliz...
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Another demo of the single transistor FM receiver...
decod31
1,529 views
A little demo of my single transistor FM receiver. Some people didn't believe this could work so here it is again...
Closeup of the breadboard while operating:
http:/...
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A bug I saw at my parents place (Turku, Finland) late september.
decod31
145 views
A bug I saw at my parents place (Turku, Finland) late september. I only had my cellphone so the quality sucks...
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Moon video
decod31
772 views
Moon as seens from Turku, Finland on 14th of September 2008 around 01:00 using a cheap Panasonic NV-GS27 Mini DV cam (30x optical zoom). Time has been compressed 3:1.
HQ...
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Trip to North Cape
decod31
320 views
Random clips from a trip to North Cape and a small mountain (maybe 300m high) we climbed.
HQ:
http://www.youtube.com/watch?v=fe7mDTDNAmQ&fmt=18
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Compressor driven potato gun...
decod31
251 views
First try. Tests with 1-5 bars of pressure. Small (too small) potatoes.
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PRF modulated ignition coil (24V).
decod31
440 views
More to follow when I have time.
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nForce2 waveform
decod31
365 views
Just playing around with my spectrum analyzer and my older oscilloscope (which btw. uses vacuum tubes). I'm looking at 10kHz signal from nForce2 integrated audio and it doe...
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