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Direct Digital Synthesis (DDS)
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Direct Digital Synthesis (DDS)
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Direct Digital Synthesis (DDS)

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  • zijin
    by  zijin 
      Direct Digital Synthesis (DDS)
      Latest 12 hours ago by  AD1111 

         124  3  0

        Answered
        AD9910 suspension of work 0
        Answered

        When I was using RAM playback to implement FM modulation, the AD9910 would suddenly stop working after working for several seconds. I added register printing. During normal operation, the printed registers were 0x00, 0x01, 0x02. When it stopped working...
        hardware clock and timing Direct Digital Synthesis (DDS) pll ram ad9910 Show More
         124  3  0
      • Sutrup
        by  Sutrup 
          Direct Digital Synthesis (DDS)
          Started 2 days ago
           11  0  0

          Not Answered
          PSRR / PSMR of AD9910? Power supply effect on noise. 0
          Not Answered

          I’m designing a PCB using an AD9910 with quite relaxed phase noise constraints. I’ve studied the theoretical effects of the internal PLL and an external clock I choose and the overall noise and phase noise contribution should be ok. Looking at the...
          Datasheet/Specs PSMR clock and timing phase noise Direct Digital Synthesis (DDS) psrr ad9910 Show More
           11  0  0
        • TWAIPL
          by  TWAIPL 
            Direct Digital Synthesis (DDS)
            Latest 5 days ago by  TWAIPL 

               113  4  0

              Suggested Answer
              how to get set able frequency at IOUT 0
              Suggested Answer

              I’m designing an LVDT excitation circuit using AD9838BCPZ DDS with a 16 MHz external MCLK , controlled by STM32F103C8T6 . The board generates a clean sine wave , but the frequency remains fixed even when new frequency values are written. I’ve attached...
              software ad9838 clock and timing Direct Digital Synthesis (DDS) STM32CubeIDE Version: 1.19.0 AD9838BCPZ Show More
               113  4  0
            • cyl413
              by  cyl413 
                Direct Digital Synthesis (DDS)
                Started 10 days ago
                 36  0  0

                Not Answered
                ftp://ftp.analog.com/pub/evalcd/AD5933/ link not working - Permission Denied 0
                Not Answered

                Hello, Hope you are well. I'm trying to access the Source Code in ftp://ftp.analog.com/pub/evalcd/AD5933/Source%20Code/ but the link isn't working. Please help on this. Many thanks! ftp ftp.analog.com Connected to ashbftp.analog.com. 220-FTP ...
                software eval-ad5933ebz
                 36  0  0
              • onyuhara
                by  onyuhara 
                  Direct Digital Synthesis (DDS)
                  Started 10 days ago
                   37  0  0

                  Not Answered
                  Feasibility Check: 1MHz Amplitude Modulation via RAM on AD9910 0
                  Not Answered

                  Hello, I am planning to use the AD9910 for a non-communication application where I need to modulate the amplitude of a 350MHz sine wave at a 1MHz repetition rate . I would like to verify if my RAM configuration logic is correct: [System Setup] ...
                  Datasheet/Specs clock and timing Direct Digital Synthesis (DDS) ad9910
                   37  0  0
                • GOPANJANA
                  by  GOPANJANA 
                    Direct Digital Synthesis (DDS)
                    Started 12 days ago
                     34  0  0

                    Not Answered
                    Experimental Lower Frequency Limits vs. MCLK from ug364 is not matching with the calculated MCLK selection at lower frequencies 0
                    Not Answered

                    In the ug364 pg no 20 (table 2) the experimental results are not matching with the calculated ones. Fmclk=16*1024*Fstart. At 10Hz Fmclk should be 163.8kHz whereas in the table it is shown 10-20Hz, 25kHz is the Fmclk. Can anyone highlight about this...
                    Datasheet/Specs clock and timing Direct Digital Synthesis (DDS) ad5933
                     34  0  0
                  • gil_he
                    by  gil_he 
                      Direct Digital Synthesis (DDS)
                      Latest 15 days ago by  Jules.Nikko 
                      •  Analog Employees 

                       467  12  0

                      Answered
                      AD9914 Spurs 0
                      Answered

                      hello, We are using the EVAL-AD9914. We are working with Clock = 3000MHz. The output frequency is in the range of 500-1000MHz. We tried to work in integer mode and in modulus mode with many different fraction (FTW, A, B) combinations. While...
                      hardware clock and timing Direct Digital Synthesis (DDS) ad9914
                       467  12  0
                    • AkiraO
                      by  AkiraO 
                        Direct Digital Synthesis (DDS)
                        Latest 15 days ago by  AkiraO 

                           90  1  0

                          Not Answered
                          Request for AD9852 Evaluation Board Gerber Files 0
                          Not Answered

                          Hi, Could you please provide me the Gerber data for EVAL-AD9852? Best Regards, Akira
                          hardware clock and timing ad9852 Direct Digital Synthesis (DDS)
                           90  1  0
                        • Sarmad
                          by  Sarmad 
                            Direct Digital Synthesis (DDS)
                            Latest 21 days ago by  Jules.Nikko 
                            •  Analog Employees 

                             366  8  0

                            Answered
                            AD9910 No Output 0
                            Answered

                            I am using EVAL-AD9910 to output a frequency sweep. I have tried programming the DDS using an external microcontroller and the ADI's GUI as well, but there is no output. The microcontroller and firmware I used has been tested earlier with a 3rd party...
                            ad9910 eval kit hardware clock and timing Clocks & Timers Direct Digital Synthesis (DDS) ad9910 Show More
                             366  8  0
                          • daaniielllee
                            by  daaniielllee 
                              Direct Digital Synthesis (DDS)
                              Latest 22 days ago by  daaniielllee 

                                 140  3  0

                                Answered
                                SDP-H1 FPGA_DONE 0
                                Answered

                                Hi. I have an SDP-H1 board connected to the EVAL-ADMX1001FMCZ board. I have installed USB drivers and all of the stuff listed in the quick start guide ( https://wiki.analog.com/resources/eval/user-guides/admx/admx100x#software_needed ). i powered on the...
                                hardware admx1001
                                 140  3  0
                              • SKLee197405
                                by  SKLee197405 
                                  Direct Digital Synthesis (DDS)
                                  Latest 27 days ago by  SKLee197405 

                                     199  3  0

                                    Not Answered
                                    900MHz Pulse Generator (with DDC + Comparator) 0
                                    Not Answered

                                    Dear all, I'm SK Lee. (DFAE) One of my customer is designing 900MHz Pulse Generator. - Part # : AD9914 + ADCMP567 (Background) AD9914 : DDS for 900MHz ADCMP567 : Comparator for Pulse Wave Customer want to make 900MHz Pulse Generator. so...
                                    Datasheet/Specs clock and timing adcmp567 High Speed Comparators (<100ns Propagation Delay) Direct Digital Synthesis (DDS) ad9914 comparators Show More
                                     199  3  0
                                  • onyuhara
                                    by  onyuhara 
                                      Direct Digital Synthesis (DDS)
                                      Latest 27 days ago by  onyuhara 

                                         222  5  0

                                        Not Answered
                                        How to design a Pulse Generator using DDS or other solution 0
                                        Not Answered

                                        Hello everyone, I'm trying to design a high-speed switching pulse generator operating at around 900 MHz (carrier frequency). My plan is to use DDS (Direct Digital Synthesis) to generate the base signal and then convert/amplitude-modulate it into pulses...
                                        hardware clock and timing Direct Digital Synthesis (DDS) ad9914
                                         222  5  0
                                      • Sarmad
                                        by  Sarmad 
                                          Direct Digital Synthesis (DDS)
                                          Latest 28 days ago by  Jules.Nikko 
                                          •  Analog Employees 

                                           346  4  0

                                          Not Answered
                                          AD9910 Output Impedance 0
                                          Not Answered

                                          I am driving 50 ohms load using one of the outputs of AD9910. I measured S11 at this output using a VNA and got this response, i.e. output is mismatched from 185 MHz to 305 MHz. This is a custom DDS board that was procured from third party. Each of...
                                          hardware clock and timing Clocks & Timers impedance matching Direct Digital Synthesis (DDS) output impedance ad9910 Show More
                                           346  4  0
                                        • TakeC
                                          by  TakeC 
                                            Direct Digital Synthesis (DDS)
                                            Latest 28 days ago by  TakeC 

                                               194  2  0

                                              Answered
                                              How to restart the DRG sweep signal using only GPIO 0
                                              Answered

                                              When issuing a DRG sweep signal with the AD9910 DDS in the ascending direction only, with No-dwell-high on and No-dwell-low off, is there a way to restart from the initial frequency after reaching the upper frequency limit using only GPIO? Initially,...
                                              Datasheet/Specs clock and timing Clocks & Timers Direct Digital Synthesis (DDS) ad9910 Show More
                                               194  2  0
                                            • echem11
                                              by  echem11 
                                                Direct Digital Synthesis (DDS)
                                                Latest 1 month ago by  echem11 

                                                   206  4  0

                                                  Answered
                                                  brown-out damage to AD9102 +1
                                                  Answered

                                                  I am working on hardware that uses an AD9102. The microcontroller is ESP32-S3. During bring-up of the prototype PCBs, I ran into problems with shorting of the power supply due to mistakes I made in design or population of downstream circuitry. Briefly...
                                                  hardware ad9102 clock and timing Direct Digital Synthesis (DDS) power supply Show More
                                                   206  4  0
                                                >
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