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FM Am Radio DIY Kit Parts CF210SP for Ham Electronic Assemble DIY

$4.96 Buy It Now or Best Offer
free,30-Day Returns

Seller Store alice1101983
(570939) 99.5%,

Location: ShenZhen
Ships to: US,
Item: 203232091453

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Return policy details:
Unbranded:Unbranded
CF210SP:CF210SP
MPN:Does Not Apply
UPC:Does not apply
EAN:Does not apply
Band:FM/AM
Marke:Markenlos

Visit storeItems for saleAbout usProduct DetailsPackage Include: CF210SP is a new type of radio FM, AM two band radio, the FM band using the CD9088 chip, which uses patch element SMT package, the receive frequency range of 76-108HMZ, not only to accept the FM radio, can also receive campus radio and part of the audio signal of the television stations; AM band using direct IC the TA7642, receive frequency range is 525-1605KHZ circuit is simple, assembly success rate, a better selectivity having a little;. amplifier circuit using TD2822 special function ICs having loud. Sound quality is good. Circuit works1. Frequency Modulation (FM) sectionCD9088 is a dedicated single-chip FM radio chip,Its simple external circuit, the circuit was built frequently 70KHZ phase locked loop system, selectively implemented by active RC filter, mute circuit can be suppressed non-IF signal and the IF signal is too weak.FM signal input circuit rod antenna C8 / C10 and L1 IC1 11, 12 feet into the mixer circuit, local oscillation circuit uses a variable capacitor CA / L2, etc. vitality can be achieved manually tune.Circuit R2 / C2 to squelch circuit, 3 feet to the audio loop filter capacitor C4. Indirect C13 6,8 feet of the intermediate frequency feedback capacitor, 7 feet is connected to C14 was the low-pass capacitors,between C17 of 8/9 feet is IF coupling capacitor , 10 feet connected to the C12 is a limiting amplifier low-pass capacitors, 13 feet connected to the C6 of the limiter offset voltage capacitors. 2. Amplitude modulation (AM) sectionAM band using Direct IC TA7642, TA7642 IC has 10 transistors internal composition, its appearance uses encapsulation mode a TO-92,1 feet grounded, 2 feet input , 3 feet output. Audio signal output from 3 feet, through R6 / C18 is coupled to the input of the power amplifier IC TDA2822 the power amplifier, pushing the speaker working. Package includes: 1 Set AM FM Radio Kit Parts CF210SP Suite For Ham Electronic Lover Assemble DIY Payment MethodShipping PolicyReturns & Refund PolicyFeedbackPayment Method EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it’s 100% right. Payment must be received in 5 business days of auction closing. Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order. Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched. Shipping Policy 1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand. 2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders. 3. All package need to wait 30 days,Please take care it.Less than 30 days,we can’t take a refund.Returns & Refund Policy All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can’t take a refund. If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it. If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item. Feedback We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important to us. We request that you keep in touch with us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.

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