Abstract
Design of Reactance-to-Reactance Impedance Transformers Based on Conjugately Characteristic-Impedance Transmission Lines (CCITLs) and Meta-Smith Charts (MSCs)
Highlights
One of the commonly used components in radio frequency and microwave systems is an impedance transformer [1]
This paper proposes the novel method to reduce size of reactance-to-reactance transformers (RRTs) by using conjugately characteristic-impedance transmission lines (CCITLs)
RRTs implemented using CCITLs are proposed to miniaturize the size of stubs and other RRTs
Summary
One of the commonly used components in radio frequency and microwave systems is an impedance transformer [1]. Most of studies about reactance matching transformers are in the form of tuning stubs, which are widely used for size reduction of microwave devices [2,3,4,5,6,7,8,9]. This paper proposes the novel method to reduce size of reactance-to-reactance transformers (RRTs) by using conjugately characteristic-impedance transmission lines (CCITLs). To intuitively and effectively design CCITLs, Meta-Smith charts (MSCs) can be applied [17]. Like the Smith chart, MSCs usually provide a useful way with more physical insight of visualizing CCITL phenomenon and solving related problems effectively. The RRTs based on CCITLs will be designed using MSCs. It will be shown that the proposed RRT can provide shorter electrical length compared to that of the conventional RRT.
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