The rf front - end structure is predigested greatly due to using the electronically tunable filters 由于電調濾波器的選用,降低了射頻前端系統(tǒng)的復雜度,射頻結構得以大大簡化。
High quality epitaxial sto / ybco multilayers can be fabricated due to their similar crystal structure and small lattice parameters mismatch . the filter made from sto / ybco thin films shows high tunable speed , low microwave loss and high power handling capability . so sto / ybco multilayers have attracted much interests for electronically tunable filter in the last decade 因此,利用高質量sto / ybco外延薄膜研制的濾波器具有響應速度快、微波損耗低、調諧范圍大、承載功率高等優(yōu)點,是一種極具競爭力的電調濾波器技術方案,也是當前的研究熱點和開發(fā)重點。