Dialog Semiconductor customer support - da14583 射频输出 异常 https://support.dialog-semiconductor.com/resource-keywords/da14583-%E5%B0%84%E9%A2%91%E8%BE%93%E5%87%BA-%E5%BC%82%E5%B8%B8 en DA14583射频输出异常 https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-hardware-device-reference-designs-dialog--42

Dialog,您好:

我从安富利购买了5000片da14583用于产品的生产,焊接完成后的发现有10%左右的板卡出现了无蓝牙广播信号输出的现象,有问题的板卡可以正常下载运行程序,但是无射频信号输出,通过示波器可以看到RFIOP管脚处有附件所示的奇怪波形,而正常工作的板卡该管脚处无此异常输出,将正常和不正常板卡上的da14583对调,可以发现问题是由da14583造成的,和外设没有关系,请问为什么会出现这种现象呢?期待您的回复,谢谢!

Device: 
Sun, 28 Apr 2019 07:06:03 +0000 Zhangkui 303368年https://support.dialog-semiconductor.com https://support.dialog-semiconductor.com/forums/post/dialog-smartbond-bluetooth-low-energy-%E2%80%93-hardware-device-reference-designs-dialog--42#comments