Monolithic Ka-Band Phase Shifter Using Voltage Tunable BaSrTiO 3 Parallel Plate Capacitors

@inproceedings{ErkerMonolithicKP,
  title={Monolithic Ka-Band Phase Shifter Using Voltage Tunable BaSrTiO 3 Parallel Plate Capacitors},
  author={Erich G. Erker and Amit S. Nagra and Yu Liu and Padmini Periaswamy and Troy R. Taylor and James S. Speck and Robert A. York}
}
A monolithic Ka-band phase shifter circuit that employs voltage tunable BaSrTiO3 (BST) parallel plate capacitors is presented here. The circuit is capable of continuous 0 –157 phase shift at 30 GHz with an insertion loss of only 5.8 dB and return loss better than 12 dB. In addition to promising loss performance (27.1 /dB) at 30 GHz, the circuit reported here has several advantages over previously reported BST phase shifters such as moderate control voltages (20 V), room temperature operation… CONTINUE READING
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