Cell Phone SYSTEM BLOCK DIAGRAMS

来源：百度文库编辑：神马文学网时间：2024/04/16 14:12:16

SYSTEM BLOCK DIAGRAMS
Cell Phone

CODECs
Voice-Band Codecs
DC/DC Converters (Integrated Switch)
Inductorless DC/DC Regulators (Charge Pumps)
DC/DC Converters (Integrated Switch)
Low Dropout (LDO) Regulators
High Speed Amplifiers (Greater than equal to 50MHz)
Operational Amplifiers
DC/DC Converters (Integrated Switch)
Inductorless DC/DC Regulators (Charge Pumps)
A modern cell phone provides 2-way communications using one of several cellular standards (GSM, CDMA, TDMA, AMPs, etc.). It often integrates one of more of the following functions:
vibrating ringer
polyphonic ringer
touch-screen
still and/or video camera
broadcast radio receiver (FM, AM)
MP3 player
PC connection
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