Microprocessor controlled broad band balun system design

Kahriman M. , Ari N., Cerezci O., Tesneli A., Ozen S.

IEEE International Symposium on Electromagnetic Compatibility (EMC), İstanbul, Türkiye, 11 - 16 Mayıs 2003, ss.919-921 identifier identifier

  • Cilt numarası:
  • Doi Numarası: 10.1109/icsmc2.2003.1429059
  • Basıldığı Şehir: İstanbul
  • Basıldığı Ülke: Türkiye
  • Sayfa Sayıları: ss.919-921

Özet

There is an impedance difference between cable and antenna in antenna systems. This impedance difference.,causes reflected waves. A part of the incident and the reflected waves creates a standing wave on the transmission line. To match the impedance difference at an acceptable SWR level, Balun is used. In this work, a new Broad Band Balun system has been designed. The Balun system includes four Baluns a measurement circuit and a microprocessor. The microprocessor selects the most convenient Balun for a certain frequency. The standing wave amplitude has been measured separately for each Balun using. a measurement circuit. and the convenient Balun is chosen according to measurement results. So, the designed Balun system can be used for broadband.