All Questions
Tagged with measurement signal
22
questions
0
votes
1
answer
22
views
Determining Suitable TRMS Voltmeter Specs for Modulated Signal Measurement
I'm seeking advice on selecting a TRMS (True RMS) voltmeter suitable for measuring the voltage across a resistor with a modulated signal. Here's the scenario:
I need to measure the TRMS voltage across ...
0
votes
1
answer
441
views
Function generator to microphone preamplifier the right way
I want to test a condenser microphone pre-amplifier using the signal from a function generator.
Normally I would connect the condenser microphone via balanced XLR to the preamplifier.
For my test ...
- 13
-1
votes
1
answer
122
views
Measuring distance with ~300 m range and at least ~2 m accuracy as cheaply as possible [closed]
[Very new to Electrical Engineering.]
So what I am trying to come up with is the following:
I want to have a device (receiver) that receives signals and put it in one place, not moving.
Other devices (...
0
votes
0
answers
143
views
Strain gauge measurements with carrier frequency
In near future, I would need to do strain gauge measurements using HBMs instruments, the amplifier will be MX1615B.
In my case, the gauges will be placed near a 50Hz gearmotor and run with VFD.
As far ...
- 1
-1
votes
1
answer
40
views
Calculate length of a trace that has a fork in it?
If a trace has a fork in it where it goes in both directions how do you measure the length? Do you count the lengths of both ends of the fork?
Asking because I am considering using a switch IC to ...
- 11
0
votes
1
answer
2k
views
How can I measure -170 dB GPS signal with a spectrum analyzer?
I'm looking for a way to measure noise signals (probably MCU harmonics) that affect the performance of my GPS receiver (Ubox sam-m8q-0-10.) Can anyone point me to the right direction?
I own a spectrum ...
- 46
0
votes
1
answer
98
views
High PWM frequency weird shape
Using a STM32F407 if I generate a 200 Hz signal it looks like this:
If I want a higher frequency, for instance 10 kHz I get this:
I am using a PicoScope 2205A, resolution 8 bits at 200Ms/s, bandwith ...
- 879
1
vote
1
answer
640
views
RF signal generator, spectrum analyzer measurement questions
I want to test the attenuation characteristics of an RF filter I’ve built into a project, but do not have any experience using RF signal generators or spectrum analyzers. In all of the videos I have ...
- 365
1
vote
2
answers
535
views
Period measurement
I am reading a book about measurements in communications. There is a lot of information about how to measure frequency and period of signals.
I understand that we should measure the frequency to know ...
user193562
0
votes
1
answer
628
views
Enabling external reference to HP/Agilent Signal Generator (8648C)
What is the proper way to use an external 10 MHz clock signal for an HP/Agilent signal generator (in my case: 8648C)?
With my Tektronix, Rohde & Schwarz devices, internal/external reference has ...
- 1,326
-1
votes
1
answer
197
views
Rigol Arbitrary Waveform Generator DG1022Z and Square Signal Sample Rate
I have generated simple arbitrary function which represent UART message, but I'm having trouble when it comes to decoding it on oscilloscope.
The reason for that is because my 0 and 1 at frequency ...
- 297
0
votes
1
answer
334
views
IR signal strengh measurement
I have an application where I have multiple IR transmitters/receivers set up to read data. These are removable and can be set up in a lab environment where I can control distance, light, etc. I've ...
1
vote
2
answers
355
views
HP8116A Function Generator Signal Problem
I'm trying to use a function generator HP 8116A and an oscilloscope Tektronix TDS210. When i connect the probe to trigger output of function generator, i can observe the square wave correctly.
...
- 41
1
vote
2
answers
1k
views
Eye diagram test
I am trying to perform a eye diagram test on a device to check its USB performanance.
I am using a board "SQIDD" in order to perform this test. The following figure shows my test setup,
I am using ...
3
votes
2
answers
2k
views
Measure signals without connecting the grounds.
I have a board(BoardA) with a MCU which are powered from a battery.
the board also has a buffer circuit for the ADC.
I would like to measure a signal from an other board(BoardB) which is powered ...
- 1,219