| 摘要 |
A limiter circuit comprises a quarter-wave transmission line, a first limiter element, a first DC return element, a second limiter element and a second DC return element. The quarter-wave transmission line, which has a predetermined characteristic impedance, comprises a signal line conductor and a common line conductor. The first limiter element is connected through a termination between the signal line conductor and the common line conductor at one side of the transmission line. The first DC return element is connected in parallel with the first limiter element. The second limiter element is connected between the signal line conductor and the common line conductor at another side of the transmission line. The second DC return element is connected to in parallel with the second limiter element.
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