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    Answered

  • TIDA-00826: Input impedance change with offset change

    Resolved
    Part Number: TIDA-00826 Other Parts Discussed in Thread: LMH6559 Hi team, Customer use Fluke9500 to monitor the input impedance of LMH6559, while the it is only 50ohm when offset is 0. the input impedance change with offset change, do we have methods…
    • Resolved
    • Answered

  • TIDA-00826: How to Simulate a PGA 6401 on TINA

    Resolved
    Part Number: TIDA-00826 Other Parts Discussed in Thread: LMH6401 Hi, I took the TIDA-00826 as reference and built the simulation by myself as i could not get the complete TINA Simulation file I am stuck at changing the parameters of the PGA LMH6401 present…
    • Resolved
    • Answered

  • TIDA-00826: PCB related questions

    Resolved
    Part Number: TIDA-00826 Other Parts Discussed in Thread: LMX2594 , ADC12DJ5200RF , ADC12J4000 , ADC12DJ5200RFEVM Dear team, Customer wants to know some details about PCB of TIDA-00826: 1. Do we have the info of TIDA-00826 stack-up reference materials that could…
    • Resolved

  • LMH6401: 'DNP' capacitors parallel with the PI attenuator resistors in the TIDA-00826 reference design schematics

    TI Thinks Resolved
    Part Number: LMH6401 In the TIDA-00826 reference design schematics, there are some 'DNP' capacitors in parallel with the PI attenuator resistors. What's the purpose? When we need populate these capacitors? Thanks.
    • Answered

  • How to get PCB layout of TIDA-00826 ?

    Resolved
    Other Parts Discussed in Thread: TIDA-00826 , ADC12J4000 Hello, We would like to implement high-speed data acquisition system with ADC12J4000, could we get the pcb layout of TIDA-00826 for reference? Thank you, K
    • Resolved

  • RE: LMH5401EVM: Reflections at output of EVM

    I'm also curious if the voltage rails should be set differently to optimize voltage range. right now I have +/- 2.5V rails set for the EVM, but i've seen reference designs (TIDA-00826) that use +3.75V and -1.25V rails for the LMH5401.

  • ADC12J4000: Automatic gain control for Oscilloscope Front-end

    TI Thinks Resolved
    Part Number: ADC12J4000 Other Parts Discussed in Thread: TIDA-00826 , LMH6401 , ADC3662 , On the TIDA-00826 reference design, an LMH6401 is used on an automatic gain control (AGC) loop with ADC ADC12J4000. Why is this block necessary on an oscilloscope front…
    • Answered

  • RE: ADS5407: How to read negative values from high speed ADCs

    Resolved
    Dear Sir, Very thanks for your valuable time allotted in answering My signal is 250MHz so i am choosing 500Msps ADC, you are correct the signal is a single-ended I have gone through TI 2 GHz OscilloScope design which i felt is a good starting point - …
    • Answered

  • LMH5401: Tuning LMH5401 to handle FSR of +/- 2V or 4Vpp

    Resolved
    Part Number: LMH5401 Other Parts Discussed in Thread: ADS5407 , LMH6554 , THS4541 Hi, Preface : My application requires the input signal from a optical sensor which is in range of 0V to +/-1.8V to be driven to an ADC There are two signals one is in range…
    • Resolved

  • TSW14J57EVM: TSW14J56EVM, TSW14J57EVM, TSW1400EVM : Dual (Quad) 200-500 Msps 10-14 bits ADC+FPGA+ Quad DAC Design Choice for Medical Imaging

    TI Thinks Resolved
    Part Number: TSW14J57EVM Other Parts Discussed in Thread: ADS4229 , ADS5517 , TIDA-00826 , TIDA-010128 , Hi - I saw some previous threads on high-speed ADC design applications and I was wondering if someone could help me in picking out the right FPGA-based…

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