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Article Dans Une Revue IEEE Microwave and Wireless Components Letters Année : 2018

Negative Resistance-Based Electronic Impedance Tuner

Résumé

An electronic impedance tuner using the negative resistance of tunneling diodes is proposed in this paper. Aside from the fact that it is an interesting solution to synthesize impedance with reflection coefficient larger than one, this scheme is proven to be simpler and consume less power than the state-of-the-art techniques. The overall circuit topology consists of two parts, namely, impedance tuning circuit including a hybrid block of PIN and tunneling diode for generating a set of impedance points, and wideband nonlinear transmission line-based 360°p hase shifter for rotating the set of impedance points around the Smith chart from 1.5 to 5 GHz. The operating power of the electronic tuner is below −25 dBm, which is limited by the tunneling diode. The worst-case maximum power consumption of the electronic tuner is as low as 3 mW. Such an electronic tuner should be useful for the development of on-wafer noise characterization systems.
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Dates et versions

hal-02311443 , version 1 (09-11-2019)

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Y. Zhao, Simon Hemour, T. Liu, K. Wu. Negative Resistance-Based Electronic Impedance Tuner. IEEE Microwave and Wireless Components Letters, 2018, 28 (2), pp.144-146. ⟨10.1109/LMWC.2017.2779879⟩. ⟨hal-02311443⟩

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