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PCF50732, PCF50732C, PCF50732H/D3

Table of contents:
Info of PCF50732
Info of PCF50732C
Info of PCF50732H/D3

PCF50732, PCF50732C, PCF50732H/D3 Selling Leads, Datasheet

MFG:PHILIPS Package Cooled:SMD D/C:01+

PCF50732, PCF50732C, PCF50732H/D3 Picture

PCF50732, PCF50732C, PCF50732H/D3 Datasheet download

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Part Number: PCF50732

MFG: PHILIPS

Package Cooled: SMD

D/C: 01+

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PCF50732 General Description

The baseband CODEC is a complete interface circuit between the RF part in a mobile communication handset and the Digital Signal Processor (DSP). It consists of three parts:
· The receive path, which transforms the quadrature signals from the RF (I/Q) to digital signals
· The transmit path, which transforms a bitstream to analog quadrature signals for the RF devices
· The digital Baseband Serial Interface (BSI), which exchanges baseband data between the PCF50732 and the digital signal processor. The interface also includes signals to power-up and power-down the baseband ransmit (TX) and receive (RX) paths.

The voice band CODEC is a complete analog front-end circuit. It consists of four parts:
· The receive path, which converts a digital signal to an analog signal for an earpiece, an external loudspeaker or a buzzer
· The transmit path, which receives the analog external signal from a microphone and converts it into a digital signal
· The Voice band Signal Processor (VSP), which filters the voice band data
· The digital Audio Serial Interface (ASI), which connects the digital linear PCM signals of the receive and transmit paths to an external DSP. The voice band data is coded in 16-bit linear PCM twos complement words.

The auxiliary Analog-to-Digital Converter (ADC) section consists of four input channels specified for battery management applications. The auxiliary Digital-to-Analog Converter (DAC) section consists of three DACs for Automatic Gain Control (AGC), for Automatic Frequency Control (AFC) and for power ramping.

The Control Serial Interface (CSI) is used to program a set of control registers, to store the power amplifier ramping characteristics into the dedicated RAM and to transmit auxiliary ADC values to the DSP. It also controls switches, modes and power status of the different parts of the IC.

PCF50732 Features

· Low power and low voltage device in 0.25 micron CMOS technology; supply voltage: analog 2.7 V (typical) and digital 1.5 V (typical)
· Compatible with GSM phase 2 and DCS1800 recommendations
· Complete in-phase and quadrature component interface paths between the Digital Signal Processor (DSP) and RF circuitry
· Complete linear PCM CODEC for audio signal conversion between earphone/microphone and DSP
· Four auxiliary analog inputs for measurement purposes (e.g. battery monitoring)
· Three auxiliary analog outputs for control purposes (i.e. AFC, AGC and power ramping control)
· Separate baseband, audio and control serial interfaces
· Voice band Signal Processor (VSP) for flexible audio data processing.

PCF50732 Typical Application

· The CMOS integrated circuit PCF50732, Baseband and audio interface for GSM, is dedicated to wireless telephone handsets conforming to the GSM recommendations phases 1 and 2, DCS1800 and PCS1900.

PCF50732 Connection Diagram

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