Questions tagged [instrumentation]
The instrumentation tag has no usage guidance.
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30MHz signal that could drive a 100W load
I'm seeking an AC source or signal generator for a RF application with the following specifications:
Output bandwidth: 0-30MHz
Power output: 100W (necessary for sustaining a plasma)
The issue I'm ...
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Ayrton Shunt/Universal Shunt
Is it correct that I calculated Rs for every range; 0-100mA, 0-150mA and 0-300mA?
Then, to find R2, I need to do Rs=R2+R3+R4? Like R2=Rs-(R3+R4)?
2
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3
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588
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Instrumenting PCBs for current consumption
I wanted to know how much current our PSOC6 MCU is consuming.
Our supplier has sent us this document with locations where I can remove resistors / inductors that are in series and then I can solder my ...
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78
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Isolating USB3 with an ADUM4160
I've not played with USB much besides the ordinary FTDI UART bridges. Recently, I have reason to use an FT601 with a USB3 port configured for super-speed operation. As this is connected to a fairly ...
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How can I describe the loading effect of an ohmmeter?
How can I describe the loading effect in an ohmmeter? I've been given an assignment with this question, and I tried to look it up on the internet but could find no other material apart from loading ...
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Force Sensitive Resistor Calibration
I have been trying to calibrate FSR06CE Force Sensitive Resistor.
Data sheet here.
For starters I started by placing deadweights on the top of the FSR's active area and using a multimeter and DSO I ...
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367
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Need Help Calibrating Force Sensing Resistor (FSR)
I'm currently working on a project that involves using a Force Sensing Resistor (FSR). However, I've run into a bit of a roadblock when it comes to calibrating the FSR. I don't have access to a weight ...
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3
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761
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How do I find the transfer function of a PID that uses a single op-amp?
How does one go about finding the transfer function of the following op-amp PID?
I have tried to convert each component of the circuit into its transfer function representations, e.g., making each ...
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1
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What happens during instrument calibration? [closed]
I've worked with a lot of instrumentation for both non-electrical phenomena (UV-vis spectrophotometer measuring DNA concentration, MEMS gyroscopes) and electrical ones (the usual oscilloscope, ...
3
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Differential probe shifting DC signal component
I was measuring the high side command and low side command of a synchronous buck converter when I saw the following phenomenom when I was increasing the input voltage of the buck. The phenomenom ...
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Resistance measurement: Agilent 34401A vs. Fluke 179
I was attempting to measure isolation resistance between the output of an isolated DC/DC converter to machine chassis. I was somewhat surprised to see a large difference in measurement between a 6 1/2 ...
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Error in current measurement
I am measuring the error ratio and phase displacement in a CT. The experimental circuit is the next.
The results with the oscilloscope show that the error ratio is not within the limits of the class ...
2
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1
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125
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Long Term Drift of IC
I wanted to calculate Long Term Drift of output voltage of an IC and in datasheet the value is given as 60 ppm/√kHr. I dont know what exactly this means as there is square root of kHr. Can anyone pls ...
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177
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Plain old SSH to Keysight DMMs?
I want to program some simple automation using test gear like Keysight DMM 34461A. I have done this sort of thing using VISA, SCPI etc (for example with pyVISA) over ethernet. But I'd like to know ...
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How do 4-20 mA transducers work?
I am quite new to the instrumentation of electronics. I have noticed that most transducers that are used in the industry only use 2 pins, where it is usually marked with a positive 24V pin and an ...