Title :
At least N+1 finite transmission zeros using frequency-variant negative source-load coupling
Author :
Shin, Sanghoon ; Snyder, Richard V.
Author_Institution :
RS Microwave Co. Inc., Butler, NJ, USA
fDate :
3/1/2003 12:00:00 AM
Abstract :
A second-order cross-coupled combline filter which has three finite transmission zeros is presented. The problem of the frequency-invariant coupling in a real circuit is introduced. To make extra transmission zeros, a top metalized dielectric block is used.
Keywords :
band-pass filters; equivalent circuits; microwave filters; passive filters; poles and zeros; strip line filters; bandpass filters; cross-coupled combline filter; equivalent circuit; finite transmission zeros; frequency-invariant coupling; second-order filter; top metalized dielectric block; Band pass filters; Coupling circuits; Filtering theory; Frequency synthesizers; Inverters; Low pass filters; Microwave filters; Prototypes; Resonator filters; Transmission line matrix methods;
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2003.810120
