A BALUN APPARATUS AND METHOD OF DESIGNING SAME

摘要

An electrical connection (400) between a balanced circuit (405), such as a radio receiver (503) and a balanced circuit (401), such as an antenna (515) requires a balun (403). In a small electronic device such as a radiotelephone (500), a traditional balun is impractical because of physical constraints. The balun function is performed by using a transmission line (517) of minimum transverse dimensions and a predetermined length between the receiver (503) and the antenna (515).