Nokia 6310i Service Manual page 90

NPL-1
3 - Audio System
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Buzzer
Spring Contacts
PCB
Figure 10. Sketch of Buzzer Acoustic Design
Figure 11. Mechanical buzzer assemply
Buzzer frequency response
108
106
104
102
100
98
96
94
92
90
88
0 1000 2000
Figure 12. Typical buzzer frequency response
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PAMS Technical Documentation
Buzzer Resonance
Chamber Volume
Sound Port
Rubber
gasket
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3000 4000 5000 6000
Freq. / Hz
7000
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