Answers are grounded in this paper and cite their sources.
A design procedure is presented for narrow bandstop filters using TEM transmission line L resonators, which are intermediate of the gap- and parallel-coupled resonators typically used. In this configuration, parallel coupling occurs over a portion of the resonator length, with the remaining resonator length forming a stub. The grounded end of the resonator may be in either the coupled or stub portion of the resonator.
No takes yet. Share an insight, caveat, or question.
H.C. Bell (1996) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: