A cascaded low pass/high pass filter phase shifter system including: a series of semiconductor switches each having a control electrode and first and second load electrodes; a capacitance connected in series between each control electrode and ground; an inductance connected in series between each second...http://www.google.fr/patents/US4893035?utm_source=gb-gplus-shareBrevet US4893035 - Cascaded low pass/high pass filter phase shifter system
Cascaded low pass/high pass filter phase shifter system
