Thin-film LCP amplitude compensated long time delay circuit

Author

Chen, Morgan J. ; Zhang, Zhaonian ; Pham, Anh-Vu H. ; Hyman, Daniel J.

Author_Institution

Microwave Microsystems Laboratory, University of California at Davis, 95616, USA

fYear

2008

fDate

15-20 June 2008

Firstpage

141

Lastpage

144

Abstract

We present the design and development of an amplitude compensated long time delay circuit (LTD) in multilayer liquid crystal polymer (LCP) films. The design is implemented with MEMS switches. An LTD is built on a thin-film multilayer stack to provide a variety of transmission lines to offer different attenuation characteristics for amplitude compensation. True time delay (TTD) components produce 0 ps, 200 ps, 400 ps, and 600 ps relative delays. This part is intended to work over wide frequency ranges from DC to 10 GHz. Insertion loss mismatch between delays is measured to be less than plusmn0.4 dB across the band.

Keywords

delay circuits; liquid crystal polymers; microswitches; microwave circuits; multilayers; thin film circuits; transmission lines; MEMS switches; amplitude compensation; attenuation characteristics; insertion loss mismatch; long time delay circuit; multilayer liquid crystal polymer films; thin-film multilayer stack; time 200 ps; time 400 ps; time 600 ps; transmission lines; Attenuation; Delay effects; Distributed parameter circuits; Frequency; Insertion loss; Liquid crystal polymers; Microswitches; Nonhomogeneous media; Polymer films; Thin film circuits; Delay-lines; flexible structures; packaging; phase shifter;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 2008 IEEE MTT-S International

Conference_Location

Atlanta, GA

ISSN

0149-645X

Print_ISBN

978-1-4244-1780-3

Electronic_ISBN

0149-645X

Type

conf

DOI

10.1109/MWSYM.2008.4633123

Filename

4633123