Dynamic properties of Analog-Digital Converter calculator written in golang!
$ ./Fourier-ADC --help
Starting Fourier-ADC
Usage of Fourier-ADC:
-dftlen int
Length of the DFT. (default 1024)
-fsam float
Sampling frequency.
-fsig float
Original signal frequency.
-input string
Input file path.
-loglevel string
Logging level. (default "info")
Example Output:
$ ./Fourier-ADC --dftlen 1024 --input data/example_data.csv --fsig 402.34375 --fsam 4000 --loglevel debug
Starting Fourier-ADC
INFO[0000] Setting logging level debug
DEBU[0000] Reading data from data/example_data.csv
DEBU[0000] Read 1024 points
Input signal parameters:
+-----------+----------+---------+---------+
| FSIG [HZ] | FS [HZ] | DFT LEN | FB [HZ] |
+-----------+----------+---------+---------+
| 402.344 | 4000.000 | 1024 | 3.906 |
+-----------+----------+---------+---------+
DEBU[0000] Calculated DFT in 16.34071ms.
INFO[0000] DFT plot saved in data/example_data.png
DEBU[0000] Signal index: 103
DEBU[0000] DFT len : 1024
DEBU[0000] Aliased harmonics indices [103 206 309 412 509 406 303 200 97 6]
DEBU[0000] Aliased harmonics freqs [402 805 1.21e+03 1.61e+03 1.99e+03 1.59e+03 1.18e+03 781 379 23.4]
ADC metrics:
+----------+-----------+-----------+------------+-------------+
| THD [DB] | SNHR [DB] | SFDR [DB] | SINAD [DB] | ENOB [BITS] |
+----------+-----------+-----------+------------+-------------+
| -72.792 | 50.011 | 65.768 | 49.988 | 8.011 |
+----------+-----------+-----------+------------+-------------+
