All Questions
Tagged with test measurement
7
questions
8
votes
3
answers
938
views
How to achieve coherent sampling in practice
In the context of measuring a sinusoidal source with an ADC, coherent sampling (i.e. capturing an integer number of periods) allows the use of a rectangular window without spectral leakage.
How does ...
- 1,360
2
votes
0
answers
203
views
Electrochemical Gas Sensor Potentiostat Circuit
I guess this is more of a review request than a specific question, but I was wondering if anyone has any experience with electrochemical sensors and the required circuits for gaining accurate ...
- 21
0
votes
0
answers
117
views
How to select an appropriate tone spacing for intermodulation distortion testing?
Intermodulation distortion measurements require (at least) two closely spaced carriers combined before going into the DUT. I understand the basic theory but have not grasped the effect of the choice ...
0
votes
4
answers
85
views
Measuring Li-ion battery manage to get a number in mAh
How can a circuit functioning to measure Li-ion or else type battery manage to get its mAh capacity, how is this circuit's method ?
EDIT
Known it from a reviewer fed into an e-commerce site I forget (...
user285744
0
votes
1
answer
106
views
Vector Network Analyzers: Bode100 vs Keysight P5000A
I have been using Bode 100 machine earlier to measure Impedance and Phase of my piezoelectric transducer.
The frequency range i work in is from 10kHz to 2.5MHz.
I was just comparing this Bode100 with ...
- 59
0
votes
1
answer
340
views
Test an LCD for missing segments without looking at the screen? [closed]
I have a product with an LCD screen that sometimes fails with missing segments.
I will test the product for a long time to replicate the failure.
I will test many at once.
I don't want to sit watching ...
1
vote
3
answers
5k
views
Should a capacitor be considered functional if it's capacitance reading is correct?
There are many different ways to test capacitors. Using a capacitance meter, using a DMM and an analog meter.
In general, is it safe to assume that a capacitor is considered functional if it's ...
- 121