DocID025705 Rev 1

9/19

AN4427

Acoustic gasket and sealing guidelines

19

Figure 5. MP34DT01 frequency response vs. tube length

The figure below represents the frequency response versus the radius of the tube.

Figure 6. MP34DT01 frequency response vs. tube radius

Table 1. Resonance peak vs. tube length

Tube length (mm)

Resonance frequency (Hz)

0.5

39900

1

29600

2

20600

3

16200

4

13400

AM17599v1

-20

-10

0

10

20

30

40

50

60

70

100

1000

10000

Frequency (Hz)

Comsol

Tube 0.5mm - r200e-6

Comsol

Tube 1mm - r200e-6

Comsol

Tube 2mm - r200e-6

Comsol

Tube 3mm - r200e-6

Comsol

Tube 4mm - r200e-6

AM17600v1

-20

-10

0

10

20

30

40

50

60

70

80

90

100

1000

10000

Frequency (Hz)

Comsol

Tube 2mm - r200e-6

Comsol

Tube 2mm - r300e-6

Comsol

Tube 2mm - r400e-6

Comsol

Tube 2mm - r500e-6