• ADF4212L unlock at high temeprature

    Hi all,

    Our customers are evaluating the performance of the ADF4212L.
    When high temperature TA = 40℃, The PLL does not lock.
    They found the following differences:

    After VDD rises, the behavior of the REFIN bias voltage is different.
    Before performing LE…

  • ADF4212L power up sequence through rate 2

    My customers have problems with powering on the ADF4212L.
    We found the following thread looking for an answer.

     

    ADF4212L power up sequence through rate

    https://ez.analog.com/thread/13793

     


    The thread says "As a first-hand advice, i would like to ask…

  • unused pin of ADF4212L

    Dear Sir/Madam,

    We are using ADF4212L in our design.

    We are not using the IFin(input) and CPif(output).

    Please let me know how to take care of these unused pins.

    IFin -> connect to AGND or ?.
    CPif -> leave it floating?.

    Thank you.

    Sincerely…

  • ADF4212L power up sequence through rate

    Hi,

    As a local distributor, our customer is facing to error when starting up ADF4212L. By studying in the customer's side, they found VDD1=VDD2=3.3V might be a cause when it relatively slow / long ramp-up period, as shown in below at yellow line indicates…

  • ADF4218L Power-Up Sequence

    Our team is planning on using the ADF4218L on one of our products. Reading through the AskTheCommunity questions there are references on the ADF4212L about clearing all bits in the IF R Counter Latch register and RF R Counter Latch register immediately…

  • RE: ADF4213 Datasheet Issues

    Hi Tim,

    Both RF and IF counters are 6-bit for A-counter and 12-bit for B-Counter.The timing diagram is in error, it should show DB23 as MSB.

    You might want to look at ADF4218L or ADF4212L if you need a dual PLL. These are newer lower power devices.…

  • TAGS LIST: Clock and Timing

    LTC6953
    LTC6955
    LTC6957-1
    HMC6832
    HMC7043
    LTC6950
    LTC6954
    HMC987
    AD9576
    AD9508
    HMC1035
    HMC988
    HMC1033
    HMC1034
    HMC1032
    HMC1031
    ADN4670
    ADCLK944
    ADCLK950
    ADCLK948
    ADCLK846
    ADCLK954
    ADCLK946
    ADCLK854
    AD…
  • 锁相环常见问题解答

    ADI是高性能模拟器件供应商,在锁相环领域已有十多的的设计经验。到目前为止,ADI的ADF系列锁相环产品所能综合的频率可达8GHz,几乎能够涵盖目前所有无线通信系统的频段。ADF系列PLL频率合成器不仅包括整数分频,小数分频VCO外置产品,还包括集成了VCO的产品,从而大大简化您的设计,降低系统成本。

    整数分频PLL

    小数分频PLL

    单环PLL

    双环PLL

    集成VCO的PLL

    快速锁定PLL

    高电压电荷泵PLL


  • PLL常见问题解答

    在ADI网站找的。希望对大家有帮助。

  • 锁相环常见Q&A,附件pdf完整更有料!

    ADI公司领先的PLL频率合成器系列包括单通道和双通道PLL、小数N分频和整数N分频PLL,以及内置VCO的高度集成式PLL。它们具有一流的性能、相位噪声和集成度。锁相环选型点击链接了解:http://www.analog.com/cn/products/clock-and-timing/plls.html

    请收下来自ADI专家的诚意之作,最新锁相环常见Q&A!集专家&用户在实际应用中总结所得,相关疑问的都在这里找答案吧~问答涉及

    • PLL  芯片接口相关问题;
    • PLL…