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  • AFE7900: Using LMK5C33126A and LMX2820 to drive AFE7900 REFCLK and dealing with SYSREF

    Part Number: AFE7900 Other Parts Discussed in Thread: LMX2820 I am using LMK5C33126A to generate system global clock, and LMX2820 as local source to provide low phase noise REFCLK for AFE7900. Regarding SYSREF, I have got mixed signals from the forum…

  • AFE7900: S1P file for AFE7900

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: Hi, I'm looking for an S1P file for each port of the AFE7900. I already had a large folder containing a lot of data that you supplied, but it didn't include the desired file. Have a great day!

  • AFE7900: Regarding the compensation of phase imbalance between channels of AFE7900

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: Hello support team, We have designed a custom AFE7900 board with identical front end chain for each individual ADC channels ( Channel A, Channel B, Channel C, Channel D). Each channel is having frequency range of…

  • AFE7900: About AFE7900 config question

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: hi I need to use one RX channel and not the others. The RF signal is 4.1G to 4.8G. BW is 700M. I'm going to use a sample rate of 1966.08M. I calculated that ddcFactorRx needs to be set to 1. If I am right, how…

  • AFE7900: Power Groups

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: Hi TI Team, I’m looking for some clarification on the AFE7900 power supply groups. It seems like the groups in the datasheet don’t match those in the AFE79xx_Schematic_Layout_Checklist.xlsm. Plus, the slides from…

  • AFE7900EVM: AFE7900 is losing its lock while running AFEprogram.py

    Part Number: AFE7900EVM Other Parts Discussed in Thread: AFE7900 , Hi, I am programming AFE7900 with latte. I am following the sequence of executing like setup.py, devInit.py, programLMK.py and programAFE.py. After programming LMK.py, I am relasing…

  • AFE7900: Confirmation of SYSREF frequency

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: So does that mean that the sysref frequency used is the value you have highlighted and not an integer multiple?

  • AFE7900EVM: Phase misalignment between Rx and feedback channels (AFE7900)

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: Hi, We have a phase-critical application and are attempting to receive identical, phase-aligned signals on all channels by feeding the same phase-aligned source to each. While all Rx channels (RxA, RxB, RxC, RxD…

  • AFE7900EVM: No Test Pattern Generation on AFE7900 Feedback Channels

    Part Number: AFE7900EVM Other Parts Discussed in Thread: AFE7900 Tool/software: Hello, We are not observing any valid test pattern on the feedback channels (FB1 and FB2) of the AFE7900. Instead of a deterministic ramp sequence, we only see seemingly random…

  • AFE7900: Use of AFE7900 in the multi channel GPS receiver application

    TI Thinks Resolved
    Part Number: AFE7900 Tool/software: Hello support team, I am looking for SDR ( software defined radio) that can be used to receive simultaneous 4 different GPS Bands ( L1 Band, L2 Band, L5 Band and S Band). I found AFE7900 has 4 independent Rx channels…

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