A Ka-band Diode-Based Analog Predistortion Linearizer for Solid-State Power Amplifiers

In this paper, A coplanar waveguide transmission type analog predistorter for the Ka-band (29-31GHz) solid-state power amplifier is developed and tested. Two Schottky diodes are adopted symmetrically connected between the main line of the coplanar waveguide transmission line and ground used as non-l...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2020-01, Vol.428 (1), p.12071
Main Authors: Song, Kexin, Lv, Shengyang, Qin, Zhifei, Xia, Lei
Format: Article
Language:English
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Summary:In this paper, A coplanar waveguide transmission type analog predistorter for the Ka-band (29-31GHz) solid-state power amplifier is developed and tested. Two Schottky diodes are adopted symmetrically connected between the main line of the coplanar waveguide transmission line and ground used as non-linear signal generating device. The measured results of the fabricated structure exhibited a gain comprehension greater than 3dB and more than 20 degree phase comprehension capability over 2GHz of bandwidth. As a result, measured 1dB compression point of the power amplifier can be significantly improved by 4.9dB at 30GHz.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/428/1/012071