NOVEL MICROSTRIP BANDPASS FILTERS USING DIRECT-COUPLED TRIANGULAR STEPPED-IMPEDANCE RESONATORS FOR SPURIOUS SUPPRESSION
2009 ◽
Vol 12
◽
pp. 11-20
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2010 ◽
Vol 20
(4)
◽
pp. 199-201
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2011 ◽
Vol E94-C
(9)
◽
pp. 1447-1454
2006 ◽
Vol 54
(8)
◽
pp. 3359-3369
◽
2017 ◽
Vol 65
(4)
◽
pp. 1235-1248
◽