Yasushi Yamao Naoto Akutsu SHF-Band Compact 3-bit Reconfigurable BPF Employing pHEMT Switched Capacitor Array IC. 309-312 2020 RWS https://doi.org/10.1109/RWS45077.2020.9050112 conf/rws/2020 db/conf/rws/rws2020.html#YamaoA20