Title :
Broadbanding the quarter-wave transformer using two parallel stubs
Author :
Podcameni, A. ; Conrado, L.F.
Author_Institution :
Universidade Católica, CETUC, Rio de Janeiro, Brazil
Abstract :
The quarter-wave transformer is broadbanded by including two parallel, open and short, eighth-wavelength stubs. A bandpass transfer function results and Butterworth or Cheby¿shev designs can be achieved. Tables for practical use are presented.
Keywords :
band-pass filters; distributed parameter networks; high-frequency transformers; strip line components; Butterworth filters; Chebyshev filters; bandpass filters; bandpass transfer function; broadbanding; eighth-wavelength stubs; quarter-wave transformer; stripline filters; two parallel stubs;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19810261