确保信号质量:插入功率损耗

插入功率损耗

TVS二极管(ESD保护二极管)通常放置在信号线和GND之间。因此,在稳态运行中,二极管将作为电容(端对端电容)。根据信号速度(特别是高速信号USB 3.0和USB 3.1),这些电容作为阻抗被包括在内,从而导致信号损耗(插入功率损耗:插入损耗)和信号质量下降。

端子间电容Ct越大,插入功率损耗越大(数值容易出现显著的负波动),无法跟踪信号速度。为了防止这种信号减弱,必须选择终端电容与信号速度相适应的TVS二极管。我们针对高速信号线提供具有低终端电容的低容量系列。

低电容TVS二极管

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