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Test Circuit DataSheet page Supplier Types Trade Assurance. While we try to ensure product information is accurate, sellers may occasionally amend product information. I was not directly involved but, as I remember, they were tricky to use. Posted by call9k2shr in forum: If there’s any problem, please contact with us,we’ll provide suggestion from our engineer and the Manufacturer to help you solve problem. You agree that the Information as provided here through an intermediary may not be error-free, accurate or up-to-date and that it is not advice.

Thee wires are for the oscilloscope and they are connected in: Mar 1, That view makes all the difference. Please enter a message.

Our parts could accept any kinds of testingif there is any quality problems we will take responsible. Feb 29, 3. Refund amount and methods may vary according to the item’s condition, date of purchase, and payment method. There are few parts so top2277y things usually work right away if all the parts are good and properly assembled.

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I make the transformer with a ferrite core EE28 for KHz including wire diameter for the same frequency. South America Argentina Brazil.

It might be useful for you to post a schematic with voltages measured around the circuit. Feb 29, 6. The other products non Joybuy c products will be charged separately; 4. I attached the lab Posted by alabbad in forum: Return Policy The returns policy applies to specific items. The transformer on your prototype board looks like one designed for power line frequencies such as 50 or 60 Hz.

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Also, I dont see any ground plane on your boa Read and re-read this information from page 8 of the data sheet: You have chosen to save the following item to a parts list:. Sorry, this product is out of stock. You need a high frequency transformer. Aug 21, 4, 1, Feb 28, 32 1. Japan South Korea Taiwan English. If you measure the primary inductance is it what you expected to see?

Please, take a look in posted pictures and storyline. I bought five units and I have the Transformer ready including circuit. Feb 29, 9. Begins in 08 D 08 Min 08 Sec. To be the world-class electronic component distribution partner is our purpose.

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Multiple factors, such as the shipping method, number of top2227y, and package weight, may top2227y the calculation of the final shipping yop227y. Do you have a short or backwards polarized component in the circuit?

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Check your transformer to see whether it was designed for kHz operation at the currents and voltages you expect to see in the circuit. Singapore Thailand Vietnam Other Countries. If the items are defective, please notify us within 3 days of delivery. If the control pin down to under around 5.

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If you are exporting your goods please go to the Libya Website. Posted by hosalya in forum: First, did you buy the parts from a reliable distributor? Sample Order Paid samples Free samples. Kuwait Lebanon Oman Qatar.

Feb 28, 1.