HA13128 Integrated Circuit Original Hitachi

HA series integrated circuits were developed by Hitachi, a leading Japanese electronics manufacturer. These ICs are widely used in analog signal processing, audio and video circuits, radio receivers, TV systems, control circuits, and certain microcontroller-supported applications. The HA series was especially popular in electronic devices produced during the 1980s and 1990s.

General Features of HA Series ICs:

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• Optimized for analog signal processing and audio/video circuit applications
• Commonly used in FM/AM radio receivers and TV tuner circuits
• Offer low power consumption and high stability
• Some models are multi-functional, combining features like tuning, audio processing, and control in a single chip
• Include built-in protections, such as overheat and overvoltage protection in some models
• Compact design allows for space-saving circuit layouts

Areas of Use:

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• Televisions and video equipment
• FM/AM radio receivers
• Audio amplifiers
• Preamp and signal processing circuits
• Tuner and frequency control applications
• Specialized automation and control systems
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