SIM548C Hardware Design
shown as following figure:
Table 26 : Buzzer Output Characteristics
Parameter
Min
Working Voltage
2.4
Working Current
Load Resistance
1
SIM548C_HD_V1.01
Figure 32: Reference circuit of Buzzer
Typ
2.8
2
61
Max
Unit
3.3
V
mA
k Ohms
09.05.2008
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