CX20505-14 Overview
Description
The CX20505-14 Integrated Analog (IA) is a highly integrated device designed for use in multi-band GSM and GPRS handsets. This device implements all the voice-band, mixed signal, and radio control functions in a GSM/GPRS handset.
Key Features
- The GMSK modulator generates Automatic Gain Control (AGC) of received signal modulated I and Q waveforms from the input data
- The signal is then Digital-to-Analog Converters (DACs) for analog conversion input to the Power Amplifier Control (PAC) circuit
- Line In/Out signals are also microphone available for interfacing to audio accessories such as