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IWISTAO Discrete Components Stereo FM Radio Board Electrical Tuning Decoding LA3401 TDA2030A Amplifier No Including Power Adapter
11 In stock
Tube FM Tuner
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Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
IWISTAO Discrete Components FM Radio Board Electrical Tuning Stereo LA3401 Decoding TDA2030A Amplifier No Including Power Adapter
Model No: WHFB-SPFM-D
Please note:
This is a PCBA bord, and you should connect a quality power supply as DC12V , don't use a switch power supply that interfere the radio signal receiving , you may use common linear power from power transformer. It is best if you can provide power form battery，please try it if available.
This is a stereo FM radio finished board with discrete components. You only connect DC12V power adapter and speakers then you can enjoy wonderful FM radio. Or, you may make a wooden casing and DIY it as a vintage radio.
The FET is used for high-level discharge, and the triple-coupling is used to increase the AFC automatic frequency tracking circuit, which makes the receiving sensitivity more selective and increases the frequency display. The debugging is more intuitive.
The PCBA adopts double balanced proportional discriminator with excellent sound quality, and also optimizes its layout of the intermediate frequency circuit PCB, improves the stability of the intermediate frequency. And it uses a LA3401 decoding chip as FM stereo decoder, whose resolution is up to 70dB,its noise ratio is up to 95 dB. At the same time, a first-stage FM mixed signal preamplifier is added, which improve the problem that the LA3401 standard circuit cannot be driven in weak signal, so that each radio station can achieve good mediation resolution. After then, the LA3401 has no decoding noise and is comparable to the LA3450 chip.
The power amplifier part use two TDA2030A chips, its output power is larger, sound quality is pure and thick, clean and pure.
Wire Connections
(The photo below only for you information )
Specifications
1. Undistorted power output: 2*2W or more.
2. Power supply voltage: DC12V (no including power adapter)
Packing List
Discrete components Stereo FM radio x 1pc
Shipping
1.Important: Import duties, taxes and other customs related charges all are not included into shipping cost . Buyers bear all responsibility for all extra charges incurred (if any).
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C. Economy Shipping: China Air Post Mail / Parcel, Hongkong Air Post Mail / Parcel, or shipment by sea etcReturns Policy
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
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Seller Guarantees
1. One year Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with a 3-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (with the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY. You agree to all of the above-listed policies upon ordering on our store.
