A transformer used to connect balanced cables, such as twisted-pair cables, to unbalanced cables, such as coaxial cables, by matching the electrical characteristics of the cables. This term is derived from balanced-to-unbalanced transformer.

• 一种变换器,用来连接对称电缆(如双绞线)和非对称电缆(如同轴线),使这两种电缆的电路特性得以匹配。这个术语来自balanced-to-unbalanced transformer。