Conmutador de fase 180º en banda milimétrica basado en diodo PIN
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AuthorVilla Benito, Enrique; Aja Abelán, Beatriz; Fuente Rodríguez, Luisa María de la; Artal Latorre, Eduardo
A wideband 180° phase switch was developed at millimetre-wave frequencies, 31 GHz centre frequency, using uniplanar technology on Alumina substrate. The circuit is designed using wideband coplanar to slotline transitions and commercial PIN diodes (HPND-4005 from Agilent) as switching devices. The implementation is easy, fast in terms of fabrication and low-cost. The circuit characterization has been done in two stages: gold-bond wire as a short circuit and commutation using PIN diodes. Measurements show a phase difference between states of 180°±2°, providing 40% bandwidth with an insertion loss lower than 2.5 dB and return loss better than 10 dB over the frequency band. The phase switch provides a ±5° phase error in a bandwidth of around
60%, from 18 GHz to 38 GHz.
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- D12 Congresos