| 摘要 |
A balanced-to-unbalanced converter includes a transformer and a bias feeding circuit. The transformer has an unbalanced signal input/output (I/O) circuit and a balanced signal I/O circuit. The bias feeding circuit is electrically connected with the balanced signal I/O circuit of the transformer. The balanced-to-unbalanced converter equips with the bias feeding function, and thus the extra bias feeding circuit, which provides the operating power for the active component, is unnecessary in the system with the balanced-to-unbalanced converter.
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