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  • FDC2212: Speed, Resolution, Flat Response and Temperature Stability

    Part Number: FDC2212 Other Parts Discussed in Thread: FDC2112 There are several aspects of the FDC2212 that I am struggling with: Poor resolution at high speed: I need my system to measure at least 1000 samples per second. With my physical sensor configuration…
    • Answered

  • How do I wake up on proximity with the FD2x1x parts?

    Resolved
    Other Parts Discussed in Thread: FDC2112 , FDC2114 , FDC2214 I'd like for the FDC2112 to wake up my system when a hand approaches it. The application note SNOA940 suggests that this is possible, though the datasheet only talks about asserting the interrupt…
    • Resolved
    • Answered

  • Liquid Level Sensing for FDC1004

    Resolved
    Other Parts Discussed in Thread: FDC1004 , FDC2112 , FDC2212 I plan to use FDC1004 for liquid level sensing and motion detection (door open/close). But i need to know some details below: Please advice.... 1. Can FDC 1004 able to detect fast changing liquid…
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    • Answered

  • Measuring very small capacitance and capacitance change with FDC2212

    Resolved
    Other Parts Discussed in Thread: FDC2212 , FDC2114 , FDC2112 The input capacitance of FDC2212 from the datasheet is 4pF, but in reality in EVM board without external capacitor it is around 20pF. I want to measure around 2pF with resolution of 2fF. The input…
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    • Answered

  • RE: FDC1004EVM GUI for Windows 8 8.1

    Resolved
    Hello Matsunami-san, Yes, this GUI supports Windows 8 and 8.1. In addition to FDC1004, this GUI also supports FDC2212/4 and FDC2112/4. Regards, Yibo

  • FDC2214EVM: near field proximity sense resolution @ max data rate

    TI Thinks Resolved
    Part Number: FDC2214EVM Other Parts Discussed in Thread: FDC2114 , FDC2214 , FDC2114EVM Hello I'm trying to find the maximal resolution and maximal data output rate (single Channel) for a near field (4 to 0,2 mm, Captive Sensor Surface about 300 to…
    • Answered

  • FDC2214: LC Tank Sense Frequency Optimisation for range and sensitivity

    Resolved
    Part Number: FDC2214 The FDC2214 datasheet shows how to calculate the frequency from the value of the parallel capacitor and inductor. However, is there a way to calculate the optimal frequency we need so that we can choose the capacitor and inductor…
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    • Answered

  • FDC2214: Active Shield for two plate remote sensing

    Resolved
    Part Number: FDC2214 Other Parts Discussed in Thread: FDC1004 Hi, I am working on a project where I need to detect if a part is dry or submerged in water. My plan is to use the FDC2214 with the sensor plates moulded behind roughly 8mm of urethane and…
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    • Answered

  • Plotting measurement results from FDC2214EVM using EVM GUI

    Resolved
    Other Parts Discussed in Thread: FDC2214EVM I'm using the FDC2214EVM with the Sensing Solutions EVM GUI v1.8.8. I need to make a plot of capacitance vs time using the csv output from the GUI. I notice two time intervals associated with each capacitance…
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    • Answered

  • Urgent. problem on using FDC2214 to do people approaching detection

    Resolved
    Other Parts Discussed in Thread: FDC2214 Hello, I'm making feasibility study of FDC2214 used for our people proximity detection, based on the EVM got from you. And, get some problems or something not yet understood why it is like this. If convenient, would…
    • Resolved

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