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请教大家一个红外发射接收的问题

Other Parts Discussed in Thread: CC110L

我想在一个冲压机左右各装一套红外的发射接收电路,由于两路距离不远,很容易相互干扰。我先前使用了选频的方式,但是温度的影响很大不稳定。后来用遥控的编解码方式,单路很稳定。要是两路同时使用互相干扰不能工作。我想找下这样的芯片和编码方式?