• ADF4157 relation between Icp and Loop filter design

    Hi,

    I am using EV-ADF411XSD1Z eval kit with ADF4157.

    According to the datasheet the value in DB[27:24] set the charge pump current setting. This should be set to the charge pump current that the loop filter is designed with.

    Can you please help on the…

  • ADF4157 Digital Lock Detect problem

    Hi,

    I have a ADF4157 with the configuration shown in this screenshot

    when I probe the output signal with the spectrum analyzer I can see a clean spectrum, however the Digital Lock Detect is not asserted at the MAXOUT pin. Any idea what config has been…

  • RE: ADF4157 problem

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  • RE: ADF4157 and ADIsimPLL

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  • RE: ADF4157 Phase Issue

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  • RE: Query about ADF4157 Sweeping Frequency

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  • RE: Using ADF4157 at 6.3 GHz

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  • RE: Digital lock detect problem on ADF4157.

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  • RE: the PLL circuit using ADF4157 is always unclocked

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  • ADF4157用于高分辨率应用

    我正在使用ADF4157。我想在高频分辨率应用中使用ADF4157。需要的输出为300MHz~305MHz，频率分辨率为1kHz。但从数据手册看，ADF4157的MOD是固定的25位。能否请您就这一应用提供一些意见？期待您的答复！