A Study on the Rx/Tx Switch Module with integrated Low Pass Filter

LPF가 집적화된 Rx/Tx 스위치 모듈에 관한 연구

  • 송재성 (한국전기연구원 전자기소자연구그룹) ;
  • 민복기 (한국전기연구원 전자기소자연구그룹) ;
  • 정순종 (한국전기연구원 전자기소자연구그룹) ;
  • 김인성 (한국전기연구원 전자기소자연구그룹)
  • Published : 2005.05.01

Abstract

This paper focuses on the design for Rx/Tx switch module of GSM(global standard mobile) band, characterization of a miniature, low power and dual-band implementation of the front-end switch module with low-pass filer And the effort to make agreement between the simulated design and the measured data for these solutions takes the place through accumulated design and manufacturing data library. We present the design, modeling and measurement of switch module integrating GSM Rx/Tx switching circuit and LPF(low pass filter) on a LTCC(low temperature co-fired ceramic) substrate. For GSM application, insertion and return loss of the low pass filter designed was less than 0.3 dB which was less than 12.7 dB at 900 MHz. The LTCC switch module contained 10 embedded passives and 3 surface mount components integrated on 4.6$\times$4.8$\times$1.2 mm, 6-layer multi-layer integrated circuit. The insertion loss of switch module measured at 900 MHz was 11 dB. In both of the design approach yielded excellent agreement between measured and simulated results.

Keywords

References

  1. Anton de Graauw, Carlo Copetti, Wim Weekamp, 'A new thin film passive integration technology for miniaturisation of mobile phone front end modules', IEEE MTT-S Microwave Symposium Digest., vol.3, pp.1925-1928, 2000 https://doi.org/10.1109/MWSYM.2000.862359
  2. Albert Sutono, Deukhyoun Heo, Yi- Jan Emery Chen, Joy Laska, 'High-Q LTCC-based passive library for wireless system-on-package (SOP) module development', IEEE Trans. Microwave Theory and Techniques, vol.49, pp.1715-1724, 2001 https://doi.org/10.1109/22.954775
  3. Jyh-Wen Sheen, 'LTCC-MLC duplexer for DCS-1800', IEEE Transactions on Microwave Theory and Techniques, vol.47, pp.1883-1890, 1999 https://doi.org/10.1109/22.788526
  4. Rodolfo Lucero, Wasiem Qutteneh. Anthony Pavio, David Meyers, John Estes, 'Design of an LTCC switch diplexer front-end module for GSM/DCS/PCS applications', IEEE Radio Frequency Integrated Circuits Symposium, pp.213-216, 2001 https://doi.org/10.1109/RFIC.2001.935678
  5. 박철순, 이영철, 'ICU LTCC 라리브러리 및 디자인룰' LTCC RF 응용 및 설계, pp. 65-91, 2003
  6. Andriy Kryshtopin, Alexander Chemyakov, Konstantin Markov, Denys Orlenko et., al, miniature LTCC-integrated PIN-Diod Switches for 2.4 and 5 GHz Bluetooth and wireless-LAN Application, ECWT 2003 pp. 1-4, 2003