Filter
Top Products
GE864 Hardware User Guide
1vv0300694 Rev.10 - 10/06/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 50 of 69
10.8 Magnetic Buzzer Concepts
10.8.1 Short Description
A magnetic Buzzer is a sound-generating device with a coil located in the magnetic circuit consisting
of a permanent magnet, an iron core, a high permeable metal disk, and a vibrating diaphragm.
Drawing of the Magnetic Buzzer
The disk and diaphragm are attracted to the core by the magnetic field. When an oscillating signal is
moved through the coil, it produces a fluctuating magnetic field, which vibrates the diaphragm at a
frequency of the drive signal. Thus the sound is produced relative to the frequency applied.
Diaphragm movement