| 摘要 |
A delay line having a first delay circuit and a second delay circuit. The first delay circuit consists of a band-pass delay line having a first input terminal and an output terminal and other delay lines. The second delay circuit has a hybrid coupler equipped with a second input terminal, a first output terminal, a second output terminal, and an isolation terminal, a first reactance section connected with the first output terminal, and a second reactance section connected with the second output terminal. Furthermore, the output terminal of the first delay circuit is electrically connected with the second input terminal of the hybrid coupler of the second delay circuit.
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