Skip to main content Accessibility help

Wideband out-of-phase power dividers with improved isolation performance

  • Kaijun Song (a1), Fei Xia (a1), Yuxuan Chen (a1), Yu Zhu (a1), Jiawei Li (a2) and Yong Fan (a1)...


A compact wideband out-of-phase power divider (PD) with improved isolation performance is proposed. This divider is formed by connecting an additional stub for isolation to output ports of a traditional Marchand balun with a defected ground structure (DGS) been used. To verify the design, a prototype divider is fabricated and tested. The measured results validate the 53.86% band-width centered at 3.43 GHz with more than 15 dB return loss at all ports, more than 17 dB isolation, respectively.


Corresponding author

Author for correspondence: Kaijun Song, E-mail:


Hide All
1Abbosh, AM (2008) Design of ultra-wideband three-way arbitrary power divider. IEEE Transactions on Microwave Theory & Techniques 56, 194201.
2Bo, Z and Liu, Y (2015) Wideband filtering power divider with high selectivity. Electronics Letters 51, 19501952.
3Deal, WR, Radisic, V, Qian, Y and Itoh, T (1999) Integrated-antenna push–pull power amplifiers. IEEE Transactions on Microwave Theory & Techniques 47, 14181425.
4Chiu, L, Yum, TY, Xue, Q and Chan, CH (2006) A wideband compact parallel-strip 180° Wilkinson power divider for push–pull circuitries. IEEE Microwave & Wireless Components Letters 16, 4951.
5Yang, T, Chen, J-X and Xue, Q (2008) Three-way out-of-phase power divider. Electronics Letters 44, 482483.
6Ogawa, H, Hirota, T and Aikawa, M (1985) New MIC power divider using coupled microstrip-slot lines: two-sided MIC power divider. IEEE Transactions on Microwave Theory & Techniques MTT-33, 11551164.
7Guo, YX, Zhang, ZY and Ong, LC (2006) Improved wide-band Schiffman phase shifter. IEEE Transactions on Microwave Theory & Techniques 54, 24122418.
8Ahmed, UT and Abbosh, AM. Wideband out-of-phase power divider using coupled lines and microstrip to slotline transitions. Asia-Pacific Microwave Conference, 2015.
9Ma, HQ, Chu, QX and Ye, LH (2008) Wide band uniplanar 180° out-of-phase power divider. Asia-Pacific Microwave Conference.



Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed