This post explains for the semiconductor CIR2272AN.
The Part Number is CIR2272AN.
The function of this semiconductor is Built-in RF amplification fixed code decoder.
Manufacturer: Chiprui
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Description
CIR2272AN is a built-in RF amplifier fixed code decoding integrated circuit, which is used with the CIR2262A pair. Up to 312 groups can be combined. Reducing the probability of re-code. It integrates RF amplification. Thus greatly simplifying the product of the circuit. Reduced production costs. Reduced production processes. Effectively optimize the design of the product circuit. The product is widely used in remote control doorbell, remote control switch, remote control alarm and other industrial remote control field.
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