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20khz-30khz Spherical Communication Transducer for Communication Application

20khz-30khz Spherical Communication Transducer for Communication Application
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   20khz-30khz Spherical Communication Transducer for Communication Application


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Technical Parameters:

1.1. conductance and susceptance parameters

Measure the conductance and susceptance curve parameters of the transducer.

 

1.2. Transmitting response

Measuring the transducer's transmitting response within the 20 kHz–30 kHz frequency band; the response at the resonant frequency shall be no less than 145 dB, with fluctuations not exceeding 3 dB.

 

1.3. Receiving sensitivity

Measure the transducer's receiving sensitivity within the 20 kHz–30 kHz frequency band; it shall be no less than -196 dB.

 

1.4. Horizontal directivity

Measure the horizontal directivity at 20 kHz, 25 kHz, and 30 kHz; fluctuations shall be less than 3 dB.

 

1.5. Hydrostatic pressure: 3 MPa.

 

2. Measurement Data

2.1. Conductance and susceptance parameters

74fca2bc-2045-42d0-9319-5b6d4049f1be

473b06ec-b7e2-464c-8341-2e89988c25c7

ec628357-2187-480a-8544-496c66d34dd7



f/kHz

202601

202602

202603

G/ms

B/ms

G/ms

B/ms

G/ms

B/ms

20

4.268

10.380

4.067

10.315

4.980

10.732

21

5.239

10.315

4.923

10.307

6.180

10.479

22

6.170

9.958

5.860

10.032

7.280

9.786

23

6.825

9.089

6.423

9.321

7.951

8.644

24

6.901

8.079

6.662

8.476

7.940

7.364

25

6.553

7.370

6.412

7.764

7.366

6.408

26

6.029

6.865

5.951

7.139

6.584

5.850

27

5.336

6.623

5.238

6.946

5.739

5.642

28

4.633

6.639

4.579

6.964

5.008

5.724

29

4.060

6.876

4.011

7.151

4.347

5.975

30

3.591

7.218

3.510

7.473

3.823

6.285

 

f/kHz

202604

202605

G/ms

B/ms

G/ms

B/ms

20

4.003

10.357

4.904

10.786

21

4.991

10.366

6.159

10.635

22

5.988

10.057

7.341

10.074

23

6.770

9.135

8.296

8.874

24

6.802

8.092

8.303

7.306

25

6.482

7.345

7.654

6.225

26

5.936

6.870

6.777

5.652

27

5.165

6.561

5.882

5.394

28

4.475

6.697

5.061

5.484

29

3.912

6.922

4.377

5.735

30

3.443

7.264

3.830

6.088

 

Transmitting response(dB)

f/kHz

202601

202602

202603

202604

202605

20

145.3

144.7

144.6

145.2

145.4

21

145.6

144.8

144.9

145.9

145.6

22

146.1

146.4

145.7

146.6

146.6

23

147.2

147.3

146.2

147.3

147.7

24

147.6

147.5

147.3

148.1

147.8

25

147.0

147.1

147.3

147.9

148.3

26

146.7

146.9

147.3

147.8

148.3

27

146.7

146.6

147.3

147.3

148.3

28

146.6

146.3

146.8

146.7

148.0

29

146.5

146.3

146.6

146.1

147.7

30

145.0

145.1

145.1

145.9

146.3

 

 

Receiving sensitivity (dB)

f/kHz

202601

202602

202603

202604

202605

20

-194.9

-195.2

-194.1

-193.7

-195.4

21

-193.4

-193.9

-193.3

-193.7

-194.7

22

-193.0

-192.9

-193.3

-193.9

-194.1

23

-192.7

-192.0

-192.4

-193.3

-193.6

24

-191.7

-191.4

-192.0

-193.2

-192.6

25

-191.6

-191.7

-192.4

-192.7

-192.6

26

-190.7

-190.6

-192.0

-193.0

-192.6

27

-190.5

-189.8

-191.5

-192.4

-192.7

28

-191.1

-190.4

-192.2

-192.4

-192.7

29

-191.1

-190.5

-192.8

-193.5

-193.3

30

-192.3

-191.7

-193.6

-194.2

-194.9

1. 

1.1. 

Horizontal Directivity

1c3997d5-9f02-4daf-a822-95bbb16c2ad8
1e5ed212-54ac-4071-b026-fb0bee4baa81

3964d1ab-676f-459d-b2df-a1b2afa8cf83


Application:


Underwater Acoustics Research 

Acoustic Field Calibration

Military and Scientific Applications



Hydrostatic Pressure Test

After undergoing hydrostatic pressure testing at 3 MPa for 0.5 h, 0 MPa for 0.25 h, and 3 MPa for 0.5 h, the insulation resistance between the positive and negative terminals of the transducer exceeds 100 MΩ.

 

 

Measurement Results:

The transducer's performance meets the specified requirements.





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