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  • LMH3401EVM: How to properly test the LMH3401EVM for the best performance as in the datasheet？

    Resolved
    Part Number: LMH3401EVM Other Parts Discussed in Thread: THS4541 , LMH3401 https://e2e.ti.com/support/amplifiers/f/14/p/873171/3245435#3245435 As the question shown above, I test the amplifier with the shorter cable above 150mm, but the ripples still…
    • Resolved

  • LMH3401EVM: Output signal offset

    Part Number: LMH3401EVM Other Parts Discussed in Thread: LMH3401 , ADC12DJ3200 Hello, I am using the LMH3401 as a DC-coupled, single-ended to differential amplifier to drive an ADC12DJ3200. My single-ended signal is a positive, unipolar signal from a photodiode…

  • LMH3401EVM: Applying a DC shift with a differential amplifier

    Part Number: LMH3401EVM Other Parts Discussed in Thread: LMH5401 Hello, I am interested in amplifying a single ended DC coupled RF signal, converting to a differential DC coupled RF signal with a differential amplifier. The DC component of the input signal…

  • LMH3401EVM: Why the s-parameters of LMH3401 has small ripple？

    Part Number: LMH3401EVM Other Parts Discussed in Thread: LMH3401 I got a LMH3401EVM and want to know its performance，I test it with Keysight E5071C VNA，used -9dbm power and swept 1001 points,with ±2.5V supply. The test schematic and result are as the…
    • Answered

  • LMH3401EVM: Gerber files for Eval board PCB

    Resolved
    Part Number: LMH3401EVM Other Parts Discussed in Thread: LMH3401 From the documentation (sbou145) it's not clear but it appears to have solid ground plane on all inner layers, is this correct? Are gerber files available for the Eval Board? Regards …
    • Resolved

  • RE: ADC12DJ2700EVM: baseline transient response

    Hi Jacob, Rtcm resistor of LMH3401EVM is set to 0 Ohm. So the output common-mode voltage control input pin CM of the LMH3401 is set to GND. I have measured 0V to GND at the CM pin. The measured output common mode confirms the setting at the CM input. …
    • Answered

  • RE: THS3217EVM: Driving the THS3217 DC to 800MHz D2S, with a low impedance voltage source

    Resolved
    Hello Archie, Referencing section 2.4 of the EVM User's guide, are able to drive the part with 50-Ohm lab equipment and/or the use of the LMH3401EVM as discussed in the document for differential input into the EVM. The THS3217EVM was designed such…

  • RE: LMH3401: Linear Bandwidth

    Hello Mark, If you would like more informaiton, I recently ran an informal data collection with the LMH3401EVM shown in currently my last reply on this post here: https://e2e.ti.com/support/amplifiers/f/14/t/873171 . Thank you, Sima

  • LM3401EVAL: Single ended conversion to two equal amplitude OUT differential signals, both OUT+ & out- with +1.5V offset voltage (I/P DC to 400MHz)

    Part Number: LM3401EVAL Other Parts Discussed in Thread: LMH3401EVM , LMH3401 , LM3401 Hello, I’m trying to use the LMH3401EVM evaluation board to generate two differential signals from a single end input. I have a copy of the SBOU145 Users guide but I…
    • Answered

  • RE: TINA/Spice/THS3001: THS3001 Noise

    Resolved
    Hi Dinh, Connecting the two inputs of LMH3401EVM to ground via two 1k resistors will result in noise gain of the amplifier to be below Av=2V/V, that will ultimately result in the amplifier to oscillate. Could you instead connect the two inputs through…

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