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Showing 46 results View by: Thread Post Sort by
    Answered
  • JFE2140: JFE2140 - design of an analog front end for low noise measurements

    Heidelberg
    Heidelberg
    Resolved
    Part Number: JFE2140 Hello, I would like to design a low noise analog front end with the JFE2140. Therefore I did some simulations in LT and TINA. I would normally expect some similar results. Maybe my simulation in TINA or LT is wrong. The JFET…
    • Resolved
    • 1 month ago
    • Amplifiers
    • Amplifiers forum
  • JFE2140: JFE2140 Crosstalk

    DH
    DH
    Part Number: JFE2140 Tool/software: Hi, Is the crosstalk between both JFETs known? I'm planning to use them for their great matching and performance but am a little afraid that using one package for two channels may have a crosstalk issue? Thanks…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • JFE2140: design of an analog front end for low noise measurements

    Heidelberg
    Heidelberg
    TI Thinks Resolved
    Part Number: JFE2140 Hello, I would like to design a low noise analog front end with the JFE2140. Therefore I did some simulations in LT and TINA. I would normally expect some similar results. Maybe my simulation in TINA or LT is wrong. The…
    • 1 month ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • JFE2140: JFE2140 gate leakage

    J Scott Merritt
    J Scott Merritt
    Resolved
    Part Number: JFE2140 Tool/software: I noticed distortion in some simulations with the JFE2140 and narrowed it down to an unexpectedly large gate leakage current whenever the drain to gate voltage grows above 10V. The following leakage-test uses the TI…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • JFE2140: JFE2140 differential amp gain computation

    J Scott Merritt
    J Scott Merritt
    Resolved
    Part Number: JFE2140 Tool/software: Referring to Figure 9-10, and using the JFET Common Source voltage gain equation (gm * Rd) / (1 + gm Rs), I compute a gain of 30 (= ~30db) where as Figure 9-11 show a gain of around 13 db. What am I missing ? Thanks…
    • Resolved
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • JFE150: JFE150-Q1 or JFE2140-Q1 in the futire?

    Yoshikazu Kawasaki
    Yoshikazu Kawasaki
    Part Number: JFE150 Hello, My customer has been looking for JFET devices for automotive applications. Will you have JFE150-Q1 or JFE2140-Q1 in the future? They have a huge potential volume. Best Regards, Yoshikazu Kawasaki
    • 2 months ago
    • Amplifiers
    • Amplifiers forum
  • JFE2140: JFE2140 as MC phono preamplifier

    Matteo Bonino
    Matteo Bonino
    Part Number: JFE2140 Other Parts Discussed in Thread: JFE150 Tool/software: Hi, good morning, as per another question I've posted in this support forum, I'm currently designing a tube hifi preamplifier. A JFE2140 will be deployed as first MC-moving…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • JFE2140: JFE2140 20dB gain differential amplifier

    Andri Haryono
    Andri Haryono
    Part Number: JFE2140 Tool/software: HI, I planned to use JFE2140 as 20dB gain amplifier to drive a transducer up to 80 kHz. Below is my simulation model in LTspice. I use the JFE2140 Pspice model What I notice from my model and the measurement…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • JFE2140: JFE2140 capacities

    Gerrit Schlüter
    Gerrit Schlüter
    Part Number: JFE2140 Other Parts Discussed in Thread: TINA-TI , JFE150 , STRIKE Tool/software: Hi, we are currently evaluating the JFE2140 and noticed a relatively big discrepancy between the Spice-Model and the real capacitances (Gate to Source and Gate…
    • over 1 year ago
    • Amplifiers
    • Amplifiers forum
  • Answered
  • JFE2140: JFE2140 WSON package availability

    Dave Mellick
    Dave Mellick
    Resolved
    Part Number: JFE2140 Tool/software: Is the JFE2140 in the WSON available? A post from a year ago stated it would likely be out within a month but I currently can't find any sources for it.
    • Resolved
    • over 2 years ago
    • Amplifiers
    • Amplifiers forum
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