[求助]如何利用5213的PWM输出口输出的PWM波形转化为交流量?
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- UID
- 137838
- 性别
- 男
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[求助]如何利用5213的PWM输出口输出的PWM波形转化为交流量?
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yinqingwei 该用户已被删除
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你好,请问你的PWM是怎么配置的...
我的5213怎么连PWM波形都出不来,请指教一下... |
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- UID
- 142674
- 性别
- 男
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PWMOUT -> Low Pass Filter -> Generated signal
We need to apply an apprioprate low pass filter with PWM frequency about 4-5 times than the sampling rate of the signal.
e.g. For voice, the sampling rate is 8KHz. The PWM frequency should be set to 32KHz.
The low pass filter should be set at 4KHz.
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