Mobile-phone designers who build to the GSM standard must sufficiently reduce audio “buzz” so that it is inaudible to users. GSM cell phones use a TDMA (time-division multiple-access) time-slot ...
The LA3Z-1X2 is a piezo type audio buzzer with a frequency range of 1500 to 2500 Hz. The device can handle a maximum supply current of 20 mA and operates at -20 to 55 °C. It features locking lever ...
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