See the basic components of a mobile phone.
Radio frequency transmit and receive component.
converts all RF signals for baseband and from baseband to RF section
Rx = Receive; Tx = Transmit
Ananlog Baseband/Voiceband CODEC
Coder/Decoder. Digitalize signals for the DSP and analogized signals for RF.
Power managemant / DC-DC
this component regulates and supplies all components in mobile pohne.
DC = Direct current
main processing unit of mobile phone, mostly used ARM based processors.
DSP = Digital Signal Processor
Flash / ROM, SRAM
permanent memory to store operating system and phones/users specific data