| 摘要 |
<p>The present invention is related to a conversion circuit (1) for connecting bi-directionally a balanced line to an unbalanced line, called active balun, characterised in that it comprises a first transmit line and a second receive line both linked via an input connector (2) to the balanced line, each line being provided with an impedance adapter (4,4'), linked to a corresponding amplifier (5,5') respectively, the output of the transmit line amplifier (5) and the input of the receive line amplifier (5') being connected to a splitter/combiner (6), said splitter/combiner (6) being linked via an output connector (3) to the unbalanced line.</p> |
