He used these junctions to build solid-state versions of amplifiers, oscillators, and TRF and regenerative radio receivers, at frequencies up to 5 MHz, 25 years before the transistor. He even built a superheterodyne receiver.
That one calls them "negative resistance diodes" but I don't see how you can make a functional solid state amplifier and the like without it being a transistor.
The USSR famously invented everything the west did but years or even decades earlier, only for some reason never commercialised any of it, to the point where it became a bit of a running joke like the Su-24 "validating" the design of the F-111 which preceded it by some years. So I'd take any claims like this with a bit of a grain of salt.
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https://en.wikipedia.org/wiki/Oleg_Losev#Solid-state_electro...
has quite a bit on it checking out:
That one calls them "negative resistance diodes" but I don't see how you can make a functional solid state amplifier and the like without it being a transistor.
Maybe Wikipedia needs some edits.
The USSR famously invented everything the west did but years or even decades earlier, only for some reason never commercialised any of it, to the point where it became a bit of a running joke like the Su-24 "validating" the design of the F-111 which preceded it by some years. So I'd take any claims like this with a bit of a grain of salt.