Description
Product Description ADF4351 development board RF signal source phase locked loop 35M-4400M RF signal generation module Description: The core chip adopts ADF4351 with reference to the official principles to optimize the layout, and the entire module working frequency band is extremely flat. Specifications: 1. Export frequency range: ADF4351: 35M-4400M (4.4g) 4. Output signal: 2200m-4400M Kya (Snuars) 35M-2200M Kibble Frequency (Fang wave) 5. Output signal interface: SMA mother head 6. Default+-50ppm 25m imported source crystal. Circuit diagram and STM32 test program in PDF format. 7. Control method: Third -line SPI. Raising control pins and locking status pins. It can achieve all functions, including frequency, frequency sweeping and frequency jump, steps to 1k in steps, low frequency steps to 0.1K, according to the crystal, according to the crystal, according to the crystal, according to the crystal, according to the crystal, according to the crystal Frequency decisions. Precautions: 1. You can use 3.3V pins to supply power. The power supply can provide a current of not less than 500mA. 2. The typical power supply is 5V. Package Included: 1 x 35M-4400M radio frequency signal module SHIPPING & HANDLING RETURNS WARRANTY ABOUT US ♦Every item will be inspected and packed carefully before shipping. ♦The estimated delivery time is 2-7 working days. Please note that we do not handle any orders in weekend nor holidays, all orders come during weekends or holidays will be processed in next working day. ♦Please understand that once the order is accepted by courier, it's out of our control. Shipping could be delayed by various reasons such like the weather, strike, or anything unexpected, we don't take responsibility for delay due to "severe weather". ♦If you have not received it after 10 days, please contact us first, and then we will arrange to resend or refund to you asap. ♦Buyer is responsibility to the accuracy of eBay delivery address, and pay attention to the delivery updating(we guarantee all orders can be tracked online). Once the package forced to return to us due to wrong address or attempt delivery but failed over two times, we have no choice but ask buyer to pay second shipping charge, not to mention the terrible delay it caused. ♦Please be aware that your order could be putted on porch or at the front of door when nobody at home, in very rare instances, package could be stolen, we are sorry that the courier and us do not take any responsibility, as long as it's showing "delivered" in system, the only help we can offer is provide prooves when police need it. ♦We offer 60 days return window, it means you could return the order freely in 60 days of purchase. Please note that it requires that item is unused/uninstalled/unmodified, as the same condition as it's delivered. Though, we hope every buyer could inspect the part as quick as you can, to confirm if the part is the right one you need and make an early decision. In case the item arrive directly to workshop, please tell merchanic to inspect it clearly before set it up so hurry. ♦If you have a defective item which you want to return or exchange, please contact us after you receive the package. We will refund or make a replacement depends on your requirement. ♦Generally, every refund request should have the purchased item returned to us. We strong recommend the return procedure inside ebay, it helps both seller and buyer process return smoothly. In cases buyer can provide photos/pictures as proof, showing the item is dead/malfunctioning, we fully trust our customers and will refund directly without ask for the item back. ♦All refunds will be issued once the item arrives at our warehouse. The refund will then be credited back using the same method as when your initial order was made. The processing time typical takes 3-5 working days. However, this can depend on your financial institution. ♦We do not accept returns if the item(s) has been used/installed, working properly but buyer decided to return, or has been modified for some reason after buyer have received the item(s). ♦60 Day Money Back Guarantee ♦The warranty does not extend to normal wear and tear of products; products damaged due to environmental conditions including rain, snow, hail, salt, or natural disasters; products damaged due to accident or collision; or product damage caused by other faulty parts. ♦All items must be in their original condition and must not be damaged due to incorrect installation upon return. Products damaged as a result of abuse, misuse, improper repairs or maintenance, improper installation, alteration, or modification will not be covered by the warranty. ♦We need buyer's detailed description of failure to find out the cause, we may also ask for photos or videos, pls understand. ♦Under NO circumstances will our liability exceed the amount of the original sale. ♦We must be notified of the intent to return your item within 30 days of receiving the item. ♦EACH WARRANTY DOES NOT COVER ANY LABOR COSTS OR INCIDENTAL, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, PHYSICAL INJURIES OR PROPERTY DAMAGE, LOSS OF TIME, LOSS OF USE OF THE VEHICLE, INCONVENIENCE, AIR FREIGHT CHARGES, RENTAL VEHICLE CHARGES, TOWING CHARGES OR ACCOMMODATIONS RESULTING FROM A DEFECT IN OR FAILURE OF THE PART. ♦Our Working Time MON to SAT 9:00-18:00 ♦We have many years experiences in germany and korean car parts wholesales. ♦eBay message is prefered, it's the only communication methode approved by ebay. All messages will be replied within 24 hrs in working day. ♦We maintain high standards of excellence and strive for 100% customer satisfaction! Positive Feedback is very important to us. ♦Any problem please feel free to contact us first, we believe no problem is irresolvable through honest communication! SHIPPING & HANDLING ♦Every item will be inspected and packed carefully before shipping. ♦The estimated delivery time is 2-7 working days. Please note that we do not handle any orders in weekend nor holidays, all orders come during weekends or holidays will be processed in next working day. ♦Please understand that once the order is accepted by courier, it's out of our control. Shipping could be delayed by various reasons such like the weather, strike, or anything unexpected, we don't take responsibility for delay due to "severe weather". ♦If you have not received it after 10 days, please contact us first, and then we will arrange to resend or refund to you asap. ♦Buyer is responsibility to the accuracy of eBay delivery address, and pay attention to the delivery updating(we guarantee all orders can be tracked online). Once the package forced to return to us due to wrong address or attempt delivery but failed over two times, we have no choice but ask buyer to pay second shipping charge, not to mention the terrible delay it caused. ♦Please be aware that your order could be putted on porch or at the front of door when nobody at home, in very rare instances, package could be stolen, we are sorry that the courier and us do not take any responsibility, as long as it's showing "delivered" in system, the only help we can offer is provide prooves when police need it. RETURNS ♦We offer 60 days return window, it means you could return the order freely in 60 days of purchase. Please note that it requires that item is unused/uninstalled/unmodified, as the same condition as it's delivered. Though, we hope every buyer could inspect the part as quick as you can, to confirm if the part is the right one you need and make an early decision. In case the item arrive directly to workshop, please tell merchanic to inspect it clearly before set it up so hurry. ♦If you have a defective item which you want to return or exchange, please contact us after you receive the package. We will refund or make a replacement depends on your requirement. ♦Generally, every refund request should have the purchased item returned to us. We strong recommend the return procedure inside ebay, it helps both seller and buyer process return smoothly. In cases buyer can provide photos/pictures as proof, showing the item is dead/malfunctioning, we fully trust our customers and will refund directly without ask for the item back. ♦All refunds will be issued once the item arrives at our warehouse. The refund will then be credited back using the same method as when your initial order was made. The processing time typical takes 3-5 working days. However, this can depend on your financial institution. ♦We do not accept returns if the item(s) has been used/installed, working properly but buyer decided to return, or has been modified for some reason after buyer have received the item(s). WARRANTY ♦60 Day Money Back Guarantee ♦The warranty does not extend to normal wear and tear of products; products damaged due to environmental conditions including rain, snow, hail, salt, or natural disasters; products damaged due to accident or collision; or product damage caused by other faulty parts. ♦All items must be in their original condition and must not be damaged due to incorrect installation upon return. Products damaged as a result of abuse, misuse, improper repairs or maintenance, improper installation, alteration, or modification will not be covered by the warranty. ♦We need buyer's detailed description of failure to find out the cause, we may also ask for photos or videos, pls understand. ♦Under NO circumstances will our liability exceed the amount of the original sale. ♦We must be notified of the intent to return your item within 30 days of receiving the item. ♦EACH WARRANTY DOES NOT COVER ANY LABOR COSTS OR INCIDENTAL, INDIRECT, SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, PHYSICAL INJURIES OR PROPERTY DAMAGE, LOSS OF TIME, LOSS OF USE OF THE VEHICLE, INCONVENIENCE, AIR FREIGHT CHARGES, RENTAL VEHICLE CHARGES, TOWING CHARGES OR ACCOMMODATIONS RESULTING FROM A DEFECT IN OR FAILURE OF THE PART. ABOUT US ♦Our Working Time MON to SAT 9:00-18:00 ♦We have many years experiences in germany and korean car parts wholesales. ♦eBay message is prefered, it's the only communication methode approved by ebay. All messages will be replied within 24 hrs in working day. ♦We maintain high standards of excellence and strive for 100% customer satisfaction! 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