• 应用于家用音响,FM/AM接收芯片Si4730外置天线应如何匹配?

  • 创建于2015-02-13

1个回答

  • _世强 (0)

    1、主要的要求是中周变压器的匝数比应为1:6左右,以把Airloop Antenna 10~20uH左右的感量匹配到180~450uH 1000KHz以符合AM输入端的电感量要求;2、中周要求是:高Q值、传输系数高(接近1)、使用Litz线绕制,确保变压器的传输损耗最低。

    创建于2015-02-13

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