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Pseudoelliptic bandpass filter realization using attenuation pole resonator

✍ Scribed by Cheng-Liang Huang; Jsung-Ta Tsai

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
107 KB
Volume
23
Category
Article
ISSN
0895-2477

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✦ Synopsis

Figure 4 Measured frequency response of the improved double-layer slot-coupled directional coupler measurements. It was deduced that the measured losses and ripples are caused mainly by the resonance effect of the slot. REFERENCES 1. T. Tanaka, K. Tsunoda, and M. Aikawa, Slot-coupled directional couplers between double-sided substrate microstrip lines and their Ž . applications, IEEE Trans Microwave Theory Tech 36 1988 , 1752᎐1757. 2. C.-M. Tsai and K.C. Gupta, A generalized model for coupled lines and its applications to two-layer planar circuits, IEEE Trans Ž .

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