D3361 FM stereo decoding circuit , using phase-locked loop decoding, it has a phase-locked loop circuit more than D3301 decoding circuit, so the performance is superior to D3301. It is mainly to improve the resolution of the friend and reduce the demodulation distortion. The circuit power supply voltage Wide range, 3~6V can work normally.
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The Solar Backpack absorbs solar energy through solar panels and converts it into electricity. It is stored in a built-in battery, which can charge or power a variety of mobile phones or electronic products according to different interfaces. It is suitable for emergency use when there is no electricity in the field. The solar backpack looks like a regular backpack in shape, but the difference is that there is a Solar Panel in front of it. The solar panel absorbs solar energy and converts it into an electric charge, while storing the absorbed charge in a power box. The power box is hidden in the back of your backpack and connected directly to your phone, MP3 player, and digital camera charger. Applicable to a variety of mobile phones, MP3, MP4, digital cameras, ipads, ipods and other electronic products
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