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Fast Multiharmonic Active Load–Pull System With Waveform Measurement Capabilities

Mattias Thorsell (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik ; GigaHertz Centrum) ; Kristoffer Andersson (Institutionen för mikroteknologi och nanovetenskap, Mikrovågselektronik ; GigaHertz Centrum)
IEEE Transactions on Microwave Theory and Techniques (0018-9480). Vol. 60 (2012), 1, p. 149 - 157.
[Artikel, refereegranskad vetenskaplig]

A novel fast multiharmonic active load–pull system is presented, which allows for the acquisition of the complete voltage and current waveforms. The system is capable of measuring multiple different load impedance or input power states within a short time instance (typically 180 states within 20 ms). It also facilitates high-power capability (up to 100 W) and high-frequency operation (up to 50 GHz). Furthermore, the dynamic range at the higher order harmonics is significantly improved by introducing an equalizer in cascade with the wideband harmonic samplers.

Nyckelord: Active load–pull , equalizer , large-signal network analyzer (LSNA) , microwave measurements , microwave-power field-effect transistors (FETs)

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Denna post skapades 2012-01-13. Senast ändrad 2014-09-02.
CPL Pubid: 152780


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