ST ST7538Q, Примечание к применению

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Board description AN2744
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Figure 20 and Figure 21 show the simulation results with Montecarlo analysis. The gain
variation at center frequency is less than 2 dB.
Figure 19. Measured frequency response of the Rx active filter for 86 kHz channel (typical)
-8
-6
-4
-2
0
2
4
6
8
10
12
1.0E+04 1.0E+05 1.0E+06
Freq (Hz)
Gain
(dB)
-8
-6
-4
-2
0
2
4
6
8
10
12
1.0E+04 1.0E+05 1.0E+06
Freq (Hz)
Gain
(dB)
Figure 20. Simulated frequency response of the Rx active filter for 72 kHz channel with tolerance
effect
4E4 5E4 6E4 7E4 8E4 9E4 1E5 2E5 3E4 3E5
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
-8
12
f H
1.5 dB
4E4 5E4 6E4 7E4 8E4 9E4 1E5 2E5 3E4 3E5
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
8
9
10
11
-8
12
f H
1.5 dB