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IAP722-the FM high frequency resonance integrated circuit

2014-11-11 16:58  
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IAP722-the FM high frequency resonance integrated circuit
IAP722-the FM high frequency resonance integrated circuit
IAP722-the FM high frequency resonance integrated circuit
IAP722 is a FM high frequency resonance integrated circuit, which is used in low voltage radios and walkmen.1. the internal circuit and pin functions of IAP722IAP722 contains the FM AGC, local oscillation, mix, buffering amplifier and other circuits. The IC is in 9-pin single line package, whose internal circuit is shown in figure 1-1, and pin functions and data is listed in table 1-1. Figure 1-1 the internal circuit of IAP722Table 1-1 pin functions and data of IAP722 2. the typical application circuit of IAP722