Gehrmann, ElkeElkeGehrmannJacob, ArneArneJacobBirtel, PhilipPhilipBirtelDürr, WolfgangWolfgangDürr2020-06-182020-06-18201314th IEEE International Vacuum Electronics Conference, IVEC 2013: 1 (2) 6570964 (2013)http://hdl.handle.net/11420/6382A filter structure to suppress the second harmonic component in the RF signal of a traveling-wave tube (TWT) was developed and integrated into a helical delay line. Its effect is shown in simulation and measur ement.enIngenieurwissenschaftenConference Paper10.1109/IVEC.2013.6570964Conference Paper