Design of the monoblock duplexer for the application of cellular band repeater

Autor: Young-seong Wang, Duck-jae Lee, Gil-du Jang, Seong-Ook Park, Chung-Kook Lee
Rok vydání: 2002
Předmět:
Zdroj: 2001 International Conferences on Info-Tech and Info-Net. Proceedings (Cat. No.01EX479).
DOI: 10.1109/icii.2001.983649
Popis: In wireless communication the demand for handsets is increasing. A duplexer is the critical component of a handset for mobile communication, to separate the transmitting and receiving signals. Thus the need of the duplexer for a repeater is also increasing. In this paper the design of a duplexer for a repeater is presented. We present a transmission line Chebyshev filter which is referred to as a uniform impedance resonator (UIR). By using conventional filter theory, we extract the equivalent circuit. The paper presents a simple pattern that is easy for mapping one to one with circuit components. A duplexer for cellular band (824 - 849 MHz for tx band and 869 - 894 MHz for rx band) is designed and fabricated. The design procedure is presented and validated by simulation results and the performance of the fabricated duplexer.
Databáze: OpenAIRE