Varactor tuned dual-band Wilkinson power divider

Power dividers are often used as the feeding networks for antenna arrays. These components are in general narrow band with a small frequency tuning range. The dual band and broadband devices with increased tuning range are still challenging to design. In this paper varactor tuned dual-band Wilkinson power divider for dual band applications will be presented. This device may be implemented in the future with an integrated ferroelectric scheme or optical switches.