20 GHz bandwidth low-noise HEMT preamplifier for optical receivers

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20 GHz bandwidth low-noise HEMT preamplifier for optical receivers

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© The Institution of Electrical Engineers
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A broadband, low-noise HEMT preamplifier is designed for very high-speed fibre-optic transmission systems. A 20 GHz 3dB down bandwidth and 7.6pA/√(Hz) averaged input equivalent noise current density from 100 MHz to 18 GHz are achieved using inductor peaking techniques and low stray capacitance chip resistors.

Inspec keywords: preamplifiers; receivers; high electron mobility transistors; wideband amplifiers; optical communication equipment

Other keywords: inductor peaking techniques; low stray capacitance chip resistors; broadband; low-noise; fibre-optic transmission systems; 100 MHz to 18 GHz; HEMT; high-speed; optical receivers; 20 GHz; preamplifier

Subjects: Amplifiers; Optical communication

References

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