Journal ArticleDOI
Reply to Comments on “An Asymmetric 2.4 GHz Directional Coupler Using Electrical Balance”
TLDR
In this article, Kumar et al. showed that better than 10 dB matching can be achieved with a practical edge-coupled transmission line without using additional TL sections as long as impedance transformed by the even-mode of TL is much lower than the port impedance.Abstract:
The theory presented by Kumar et al. is based on the assumption that edge-coupled transmission lines (TLs) have infinite even-mode characteristic impedance and is clearly mentioned. Simulation is done to show that better than 10 dB matching can be achieved with a practical TL without using additional TL sections as long as impedance transformed by the even-mode of TL is much lower than the port impedance. The addition of extra quarter-wave TL sections can further improve the matching.read more
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Journal ArticleDOI
An Asymmetric 2.4 GHz Directional Coupler Using Electrical Balance
TL;DR: In this article, the concept of electrical balance is used to achieve wideband isolation in an asymmetric 2.4 GHz directional coupler, which achieves a return loss of better than 10 dB over a 1.7-2.7 GHz range.