新型低功率與高雜訊抑制電生理訊號量測系統之前端電路設計與分析

林韋霆, 吳重雨 - 2005 - ir.lib.nycu.edu.tw
… BP Elliptic filter (b) The block diagram of leapfrog structure for … We have introduced the
passive and active filters and … transfer the LC ladder into leapfrog structure and Gm-C filter. …

高差動輸入訊號及共模電壓範圍之五階轉導電容濾波電路

李三益, 洪崇智 - 2005 - ir.lib.nycu.edu.tw
… flow graph block diagram representation of the ladder section … Although the subject of this
thesis is the design of active filters… The SFG diagram of Figure 4.5 is also referred to as leapfrog