2018
DOI: 10.1049/el.2018.0823
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Analogue predistorter based on non‐linear CRLHTL

Abstract: A low insertion loss (IL) analogue predistorter using non-linear composite right-left-handed transmission line (CRLHTL) is presented. The proposed predistorter consists of two symmetrical CRLHTL unit cells. In the experiment, this predistorter can achieve about 2.2 dB gain expansion and 17°phase shift during 4.4-4.5 GHz with only 4.3 dB IL. A C-band 40 W solid-state power amplifier observes 8.1 dB enhancement in the intermodulation at −6 dB output power backoff when linearised by the proposed predistorter.

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Cited by 3 publications
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“…As explained in [Den18] , composite right-left-handed transmission lines (CRLHTLs) were used for ADP purposes since they can vary its nonlinear transmission characteristics with the input power or bias voltage (see Fig. Another commonly used solution to generate the nonlinear characteristic using analog circuitry is the use of transistors.…”
Section: G(•)mentioning
confidence: 99%
“…As explained in [Den18] , composite right-left-handed transmission lines (CRLHTLs) were used for ADP purposes since they can vary its nonlinear transmission characteristics with the input power or bias voltage (see Fig. Another commonly used solution to generate the nonlinear characteristic using analog circuitry is the use of transistors.…”
Section: G(•)mentioning
confidence: 99%