Research Article

A Novel Band-Stop Filter with Band-Pass, High-Pass, and Low-Pass Negative Group Delay Characteristics

Table 6

Element values of the band-pass negative group delay circuit with different R2 values.

R1 (Ω)R2 (Ω)f0 (MHz)τ (f0) (ns)IL (f0) (dB)NGD band (MHz))

50521−5.963.51.56
505021−5.983.59.28
5020021−6.033.515.83