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

Table 3

Element values and performance indexes of the band-stop filter with different C₁ values when band-pass negative group delay occurs.

C1 (pF)	L1 (nH)	R1, R2 (Ω)	C2 (pF)	L2 (nH)	f0 (MHz)	τ (f0) (ns)	IL (dB)
120	3.9	50	1.6	970	128	−12.41	3.5
160	3.9	50	1.6	970	128	−12.36	3.5
200	3.9	50	1.6	970	128	−12.28	3.5