Oleg Oleg
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May 11,2020
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DDS single-channel three-signal generator based on AD9833

A AD9833 based Signal Generator, using m328p as the main MCU. AD9833 is a great DDS IC, it's really easy to deal with.
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Published: May 11,2020
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Topic
DIY Electronics
Arduino
Breakout Board Projects
AD9833 generator three signal single channel DDS
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  • Hi, Churilo, I am currently using the board in your project - DDS single-channel three-signal generator based on AD9833. Now I have a problem with the board, when I connect the 5V port and gnd port to the bench power supply, it is short connected, and 630mA current flow from power to the gnd!! I tried to measure the impedance between 5V and gnd, it is very small, and I think the PCB power is short connected to the gnd. I also used a USB to TTL connect to the UART port, it has a same problem, and the board is over heated. Could you please help me, if this problem happen, where could be the short-connected point? I manufacture the board by your PCB layout and assemble the components with the BOM in the project folder by PCBWAY. Many thanks for your helps, All bests, Jin

    Sep 26,20230 Comments
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