blob: af78840db77917c3f3953263c41aeef09c23256c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
from pathlib import Path
from lab_control.function_generator import FunctionGenerator
from lab_control.oscilloscope import Oscilloscope
from lab_control.measurement import Measurement, getLinearRange
class FrequencyResponseMeasurement(Measurement):
def __init__(self):
self.minFrequency = 20e0
self.maxFrequency = 16e3
self.steps = 50
self.functionGeneratorChannel = 1
self.oscilloscopeChannel = 1
self.measurementDone = False
self.data = None
def measure(self, osc: Oscilloscope, fg: FunctionGenerator) -> None:
frequencies = getLinearRange(self.minFrequency, self.maxFrequency, self.steps)
self.data = []
for f in frequencies:
fg.setFrequency(self.functionGeneratorChannel, f)
response = osc.measureAmplitude(self.oscilloscopeChannel)
self.data.append((f, response))
self.measurementDone = True
def dumpToCSV(self, path: Path) -> None:
with open(path, "w") as f:
f.write("Frequency (Hz),Amplitude (V)")
for entry in self.data:
f.write(f"\n{entry[0]},{entry[1]}")
|
