Figure 13
From: Miniaturized tri-notched wideband bandpass filter with ultrawide upper stopband suppression

The variable second notch frequency corresponding to different length L9 (a) without and (b) with SSLSIR type2 loaded on the filter.
From: Miniaturized tri-notched wideband bandpass filter with ultrawide upper stopband suppression

The variable second notch frequency corresponding to different length L9 (a) without and (b) with SSLSIR type2 loaded on the filter.