Ustars Audio PI4_Clock System Clock Board For Raspberry Pi 4B Crystal Oscillator

$42.1 Buy It Now or Best Offer
free,30-Day Returns

Seller Store pincei_us
(2942) 96.5%,

Location: Shenzhen
Ships to: US,
Item: 354843504684

Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
Return policy details:
Unbranded:Unbranded
Compatible Brand:For Raspberry Pi 4B
Type:Ustars Audio PI4_Clock System Clock Board
Manufacturer Warranty:1 Year
Compatible Model:For Raspberry Pi 4B
MPN:Does not apply
Country/Region of Manufacture:China

Description Ustars Audio PI4_Clock System Clock Board Without OCXO For Raspberry Pi 4B Change Crystal Oscillator Read Before Purchasing: 1. Please read the products information and using requirement carefully before placing an order. 2. For Raspberry Pi upgrade clock involves removing a crystal oscillator on the motherboard for Raspberry Pi and soldering the signal leads to the corresponding position. The operating space is very small, and the solder joints are very small. Buyers are required to have high hands-on ability. The success of the upgrade also depends on the buyer’s hands-on ability, so we only guarantee that the product meets the output parameters described in the product introduction. As for the success of the upgrade or the risk of damage to the clock board, motherboard for Raspberry Pi or other components during the upgrade process, buyers shall bear the risk. 3. The pictures on the product introduction are for reference only and are subject to the actual product. As the raw materials supplied by the market may change, the product is subject to change without notice. Thank you for your understanding! Clock Board Introduction: – Motherboard for Raspberry uses a low-precision passive crystal oscillator as the clock signal source, and the quality of the clock signal is low. The OCXO clock signal has high precision and high stability. The upgraded clock effectively improves the quality of the bus clock. After the upgrade, the sound is extended and strengthened at both ends, transparent and clean, and the details are clear – One crystal oscillator signal source per board, 3 outputs, can upgrade the 3 crystal oscillators on the motherboard for Raspberry Pi 4B at the same time, reducing the crosstalk between using multiple different crystal oscillators and different frequency points – Use low-noise voltage regulator chip TPS7A4700 to provide regulated power supply for OCXO – Core clock processing chip secondary regulated power supply – Use G-level radio frequency dedicated 50Ω connection line to effectively ensure the quality of signal transmission, use ipex 1 generation socket to facilitate users to remove and install Electrical Parameters: Input: – External 10MHz reference clock signal or install 25X25X13 package 5V/10MHz OCXO – Input description: 1. The external 10MHz reference clock signal can only be used when OCXO is not installed. 2. The input level cannot exceed 5Vpp Output: – 54MHz/3.3Vpp, 1ch – 25MHz/3.3Vpp, 2ch Powered By: – Power supply voltage: DC stabilized voltage +6V to +9V (not recommended to exceed 9V) – Suggested power supply current: ≥1000MA (This power supply interface only supplies power to the clock board, not for the Raspberry Pi) Package Included: – 1 x Set of Clock Board Note: – Board for Raspberry Pi pictured is not included. Need to install a suitable OCXO or an external 10MHz signal for normal output. – This product is only suitable for Raspberry Pi 4Bmotherboard. If you need to use other versions or output other frequencies, please contact customer service before placing an order. Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx…, extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyers responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your countrys customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please dont be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. On Jun 11, 2023 at 18:58:18 PDT, seller added the following information:

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