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- Title
A Compact Dispersive Delay Line Using Microstrip Lines and Opened Slot Lines.
- Authors
Yujie Li; Jiade Yuan; Shiji Wu; Zhimeng Xu
- Abstract
A dispersive delay line (DDL) with compact size, good group delay, and all pass response in 200-800 MHz band is presented. The proposed DDL is composed of a main microstrip transmission line with two shunted open stubs and two complementary slot lines, and a coupling slot line in ground plane. The length of the complementary slot line is reduced approximately from λg/2 to λg/4 through the upper end being opened, hence achieves miniaturization for the proposed DDL (λg is the guided wavelength at the center frequency). The overall area is 0.196 × 0.093λ²g with a peak group delay time of 3.2 ns. The proposed DDL has the advantages of compactness, good capability, and easy fabrication without any external matching network.
- Subjects
MICROSTRIP transmission lines; DELAY lines; MICROSTRIP filters
- Publication
Progress in Electromagnetics Research Letters, 2019, Vol 86, p7
- ISSN
1937-6480
- Publication type
Article
- DOI
10.2528/pierl19050406