AD9953: FAQ

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  • AD9953: Crystal specification

    Q What kind of limits AD9953 has on crystal frequencies (connected to REFCLK and _REFCLK)? What kind of circuit drives the crystal in AD9953? A For a typical circuit for the Ad9953 , see the circuit…
  • AD9953: Design questions

    Q we have some questions regarding our current AD9953 Design. Would you please help us with that because the struggle costs lots of time. 1) Power sequencing We have AVDD, DVDD = 1.8V and VDDIO = 3.3V…
  • AD9953: Generating a signal in the 50-90MHz range

    Q I am trying to design a transmitter in the 50-90 MHz band for satellite communications. I want to generate a signal in this bandwidth directly using a DAC. Is there any analog devices converter able…
  • AD9953: How to write RAM

    Q 1. What is the sequence to send to the serial port in order to write the RAM? Is it RamSerialAddr(0x0B) + POW n°1 + rising_edge on IOupdate repeated for n POW or RamSerialAddr(0x0B) + POW n°1 + POWn…
  • Ad9953: Several issues

    Q 1) We plan to use a crystal oscillator as reference clock (meaning not a discrete XTAL + capacitors, but one of these silver-cased integrated 5V clock sources). We would like to connect it single-ended…

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