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- W4328004828 abstract "The effect of pulsed laser radiation on the change in the parameters of semiconductor structures of field-effect transistors with a Schottky gate with an operating frequency range of 1.5-8 GHz and integrated amplifiers with an operating frequency range of 0.4-6 GHz is studied. Laser radiation with 25 ns pulse duration, incident on the transistor crystal, creates a pulsed photocurrent. It is shown that the amplitude of the pulsed photocurrent is three times higher than the operating transistor current. The current-voltage characteristics of the field-effect transistor were measured in the mode of pulsed laser radiation. The amplitude dependence of the pulsed photocurrent in semiconductor structures on the power of laser radiation for various wavelengths of 1.06 μm and 0.53 μm is studied. It is shown that as a result of the action of pulsed laser radiation on semiconductor structures, a short disappearance of the amplification of the high-frequency signal at the amplifier output occurs. Keywords: laser radiation, transistor, microwave amplifier, photocurrent, current-voltage characteristic." @default.
- W4328004828 created "2023-03-22" @default.
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- W4328004828 date "2022-01-01" @default.
- W4328004828 modified "2023-10-14" @default.
- W4328004828 title "Changes in the characteristics of semiconductor structures of microwave amplifiers under the action of pulsed laser radiation" @default.
- W4328004828 doi "https://doi.org/10.21883/tp.2022.14.55224.43-21" @default.
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