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  • FDC2114: LC tank oscillation waveform

    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC1004EVM , FDC2214 I have attached an oscillation waveform of an LC tank using the FDC2114. The oscillation does not stabilize and continue. Is this a problem?
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  • FDC2214EVM: Inquiry About FDC2114 vs FDC2214 and Evaluation Boards

    TI Thinks Resolved
    Part Number: FDC2214EVM Other Parts Discussed in Thread: FDC2114 , FDC2214 , FDC1004 , FDC1004EVM Hello TI Team, In our current project, we are exploring capacitive sensing solutions to detect frost formation on industrial heat pumps. While reviewing…
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  • FDC2114: Capacitive touch through glass?

    Resolved
    Part Number: FDC2114 Tool/software: Would this work to detect button presses through glass? Thanks!
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  • FDC2114: Varying capacitance during conversion period

    Resolved
    Part Number: FDC2114 Tool/software: FDC2114 converts the resonant frequency of the circuit into a digital output. If the capacitance changes during the conversion period, what would be the final output? Is it going to be the average value? In other…
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  • FDC2114: how does the FDC2114 measures

    TI Thinks Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: FDC1004 Hello, I'm trying to use the FDC2114 for a research project and am able to measure various capacitances. I'm a little puzzled since most of the data sheet images are drawn as single ended…
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  • FDC2114EVM: Connecting FDC2114-EVM to CAPTIVATE-FR2676 and CAPTIVATE-PGMR leads to USB error, is it possible to power the FDC2114 using these boards?

    Resolved
    Part Number: FDC2114EVM Other Parts Discussed in Thread: FDC2114 , CAPTIVATE-FR2676 , CAPTIVATE-PGMR , FDC2214 , FDC1004 Connecting the broken off FDC2114 part to the CAPTIVATE-FR2676 makes the red light on the CAPTIVATE-PGMR go on and stay on after disconnecting…
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  • FDC2114: Measuring Capacitance and Inductance with FDC2114

    Resolved
    Part Number: FDC2114 Other Parts Discussed in Thread: LDC1312 , LDC2114 , LDC3114 , LDC1614 Hello, Since the FDC2114 uses a resonant LC tank, and the resulting resonant frequency to measure capacitance, could I in theory place an inductive sensor…
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  • FDC2114: resonance frequency measurement

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    Part Number: FDC2114 Other Parts Discussed in Thread: FDC2214 , Hello, I've connected the FDC2214 in the following way, with the measurement capacitor in parallel and tested various caps measuring the resonance frequency with an oscilloscope between…
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    • Answered

  • FDC2114: Is it ok to put a TVS between the sensor and LC ?

    Resolved
    Part Number: FDC2114 Hi team, My customer use the FDC to measure the liquid level of a plastic tube which my has the static electricity. That high voltage will reset the chip. So they want add a TVS between the sensor and LC to release the static…
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  • FDC2114: Design Tradeoffs when Selecting Resonant L & C

    Resolved
    Part Number: FDC2114 Hello, Sorry in advanced if this question is a bit broad. I'm using the FDC2114 in a position sensing robotics application where I have two electrodes sliding over one another which forms a variable capacitor (10s of pF nominally…
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