All Questions
3 questions
5
votes
2
answers
276
views
Lowest processable signal level after FFT with given noise level
I have the following problem:
I have to amplify a low voltage level signal which is the output signal of a sensor. The signal is always a sine wave with f = 1 kHz and no DC offset. After amplifying ...
- 65
3
votes
2
answers
409
views
How to find the source of a noise in a particular band
The problem:
The ADSL2+ service at home is not performing up to its potential. The modem is supposed to sync at 16 Mbps (downstream) but the it does only up to 11.5 Mbps. Using the diagnostic tools ...
- 183
0
votes
3
answers
321
views
Why is the dB of the FFT plots exceeding 96dB for these signals sampled by an 16 bit ADC
There is a 16-bit data acquisition board and below is the recording of 120 seconds of voltage input at 500Hz sampling rate. The blue plot corresponds to the input voltage Vin and the green plot output ...
- 1,905