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The FM7303 FM Stereo Radio Circuit Board is an advanced DIY kit designed for enthusiasts looking to build a high-performance FM radio. Featuring the latest V3.0r4 version, this board offers digital frequency modulation and stereo decoding, making it a powerful and flexible tool for amateur radio operators. The circuit is built around three key Toshiba chips—TA7358, TA7303P, and TA7343AP—combined with a 2025 dual-channel power amplifier chip, providing high sensitivity, excellent reception, and superior sound quality. This kit is ideal for those who want to experiment with or build a custom FM radio with professional-grade features.
Specifications of FM7303 FM Stereo Radio Circuit Board
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Receiving Frequency: 88~108 MHz FM (FM broadcasting frequency band)
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Stereo Demodulation: Yes
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Power Supply Voltage: 9~12V
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Output Power: Maximum 2W x 2 (8Ω)
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Motherboard Size: 200mm x 112mm
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Finished Product Size: 200x132x65 mm
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Finished Product Weight: 257g
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Core Chips: TA7358 (FM front-end), TA7303P (FM medium amplifier), TA7343AP (PLL stereo decoder), TA7061BP (medium chip)
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Display Type: Digital frequency display with pointer signal table
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Special Features: Manually controlled Mute, Automatic Frequency Control (AFC), High sensitivity, PLL stereo decoding
How to use of FM7303 FM Stereo Radio Circuit Board
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Assembly: Carefully solder the components onto the circuit board following the provided schematic and board layout diagrams. Ensure that all connections are secure.
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Power Supply: Connect an external 9~12V power supply to power the board.
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Antenna Placement: For optimal reception, place the assembled radio near a window or outdoors to minimize signal interference.
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Speaker/Headphones: Connect external speakers or headphones to enjoy stereo FM broadcasts.
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Tuning and Debugging: Utilize the digital frequency display and pointer signal table to accurately tune into desired FM stations. Follow the provided debugging methods to optimize performance.