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TRF3722: CAPM调制器失锁问题

Part Number: TRF3722

TRF3722IRGZR在测试时发现需要手动发送测试指令检测TX1-TX4 调制器对1030Mhz的锁定情况,之前使用过其他不同生产日期的物料后现象消失,最近又有该不良。

 这种在1030Mhz频率下失锁的情况只能手动测试拦截.到底哪里的问题呢?有什么方法解决吗?