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Questions tagged [test-equipment]

Anything related to test equipments such as multimeter and so on...

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2answers
95 views

How can I power a device under test in a way that is safe for an oscilloscope?

Is it possible to power a circuit in such a way that makes it impossible to fry my oscilloscope with a ground loop? I've heard using a battery is a good way to prevent this. Is there a other way I ...
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1answer
81 views

How to test a capacitor?

I've got a big 560 uF, 400 V capacitor and I've tested it with a meter and the capacitance is within spec, same the ESR and it has a vloss of 0.8%. So all seems fine but then I came across this video ...
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1answer
63 views

Voltage tester pens

This is my first post here so please have patience with me: I understand, there are at least two kinds: a direct contact tester which basically is a neonnlight, and a resistor a non contact AC meter ...
0
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1answer
37 views

How to maintain the zero potential at the connector end?

I am developing Automated Test Equipment (ATE), from the ATE, on the output connector there will be a some potential exists. How to maintain the zero potential at the connector end, which goes to ...
0
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1answer
65 views

Designing a high frequency amplifier and needing an oscilloscope

I need an oscilloscope to bench test an amplifier I've building. I haven't got any. I thought If I limit it to 20kHz, it can be used as a sound amplifier. Would simply judging by the sound be enough ...
0
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1answer
116 views

60335-1 27.5 Test - Am I doing this right?

I work at company producing household appliances, and I'm looking into a way to test compliance with part 27.5 of the NEN-EN-IEC 60335-1 standard (which is derived from IEC 60335-1). It states (...
1
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0answers
106 views

Equipment to measure strong constant (in time) and slowly changing electric fields

I would like to measure the electric field in the vicinity of an object of interest. I would like to have decent spatial resolution (i.e. be able to pinpoint a measurement to a point in space within ...
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0answers
30 views

What test points to do for a switching system measurements?

I am working on a high-performance switching system. I the old ones there was no big issue in just touching a gate with an oscilloscope probe, but this time I have high voltage and very short (5nsec) ...
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0answers
25 views

How to properly measure signal power with FSW signal analyzer

I am using a R&S FSW Vector Signal Analyzer as RF capturing device (using the IQ Analyzer mode and transfering IQ data via SCPI). In lack of a powermeter I also want to use it to measure the ...
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0answers
83 views

IC test clip alternatives without soldering

I can't believe how much DIP IC test clips cost. But anyways, I'm looking for an alternate way of testing pins without buying the clip without using Solder on any part of the circuit, so the answer to ...
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0answers
31 views

2x GPIB via USB Adapter

I have 2 of the normal Agilent E3646A power supplies and an Agilent GPIB/USB adapter. All 3 devices have different GPIB addresses and the two supplies are connected together with a GPIB cable. ...
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0answers
103 views

Viewing phase difference between two signals

I need the SPI clock and the device clock to be synchronized. I am using an Arduino (ATMega 2560) to communicate with the device. The device clock is being generated from using a timer on the Arduino (...
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0answers
50 views

Why is there need for both functional validation and LBIST during Post-Silicon?

In Post-silicon testing, we have a functional validation testing where C tests are developed to verify the functionality of the SoC, through a JTAG interface connected to the PCB TAP and controlled ...
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0answers
28 views

Common rectifier (or source) to power testing equipments

I was thinking of a design of an all-in-one box that contains a DIY Oscilloscope, a DIY frequency generator, a DIY bench-top power supply (by a buck converter), and a multimeter (broken out from the ...
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0answers
58 views

Design approach for small, portable non-contact thermal measurements

I'm looking for ideas and suggestions for putting together a small, non-contact thermal measuring device for finding hot spots on a circuit board. It needs to be small enough that I can toss it into ...
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0answers
50 views

MEMS or other modern component electroscopes

I was looking for a component-style electroscope. I thought, "Surely there must be some MEMS-based electroscopes capable of 2- or 3-significant-figure potential measurements." But the only thing ...
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0answers
59 views

Reduce amount of I/O required for automated switching

I got a device with a 16-pin connector. One of the functionality tests consists of shorting every pair of pins (the first with the second, the third with the fourth, etc.) and measuring the voltage ...