Malherbe, J.A.G., 1940-2018-04-052018-04-052017-01Malherbe, J.A.G. 2017, 'An asymmetrical dual band bandpass filter', Microwave and Optical Technology Letters, vol. 59, no. 1, pp. 163-168.0895-2477 (print)1098-2760 (online)10.1002/mop.30255http://hdl.handle.net/2263/64390A dual band bandpass filter consisting of a cascade of unit elements and shunt connected stepped open and stepped short circuited stubs, is described. The dual passbands can have unequal, asymmetrical width; the stop‐bandwidth between the desired bands and the harmonic upper bands is substantially increased. A prototype filter that finds application in communication systems is developed.en© 2016 Wiley Periodicals, Inc. This is the pre-peer reviewed version of the following article : 'An asymmetrical dual band bandpass filter', Microwave and Optical Technology Letters, vol. 59, no. 1, pp. 163-168, 2017, doi : 10.1002/mop.30255. The definite version is available at : http://onlinelibrary.wiley.comjournal/10.1002/(ISSN)1098-2760.Dual band bandpass filterMicrowave filterStepped stub resonatorsPostprint Article