A Compact Bandpass Wilkinson Power Divider With Ultra-Wide Band Harmonic Suppression

作者：Wang Yang; Zhang Xiao Yu; Liu Fu Xing; Lee Jong Chul^*

来源：IEEE Microwave and Wireless Components Letters, 2017, 27(10): 888-890.

DOI：10.1109/LMWC.2017.2745484

• Frequency-selecting coupling structure (FSCS)
• harmonic suppression
• Wilkinson power divider (WPD)

A Wilkinson power divider (WPD) with bandpass property and an ultra-wide band harmonic suppression is proposed in this letter. The frequency-selecting coupling structure is embedded to the conventional quarter-wavelength transmission line, which can realize an ultra-wide harmonic suppression with three transmission zeros. Short-ended meander line stubs are shunted at the both output ports for dc block and provide an extra transmission zero for the passband. The proposed WPD operates with a -20 dB bandwidth from 1.74 to 3.71 GHz with an ultra-wide stopband to suppress the dc, 3 f(0), 5f(0), and 7 f(0) harmonic components. The proposed WPD has a compact size of 14.65 mm x 19.64 mm (0.19 lambda(g) x 0.25 lambda(g)).

• 出版日期2017-10