Toshiba TS605 Service Manual - Page 71

VOICE BAND CODEC, AD6537B Functional Block Diagram

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MOBILE COMMUNICATIONS DIVISION CUSTOMER SERVICES 6.4.1 VOICE BAND CODEC Chipset ADI AD6537B Package 148-Ball LFBGA Baseband Transmit Section GMSK Modulator channel & Q-channel Transmit DACs and Filters Power Ramping DAC Baseband Receive Section channel and Q-channel Receive ADCs and Filters Auxiliary Section Voltage Reference Automatic Frequency Control DAC Auxiliary ADC Light Controllers Audio Section 8 kHz & 16 kHz Voiceband Codec 48 kHz Monophonic DAC Power Amplifiers Power Management Section Voltage Regulators Battery Charger Battery Protection Digital Processor Interface Control, Baseband, and Audio Serial Ports Figure AD6537B Functional Block Diagram Version 1.0 22/11/2006 Created by Konrad Szombara Page 71 of 103

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MOBILE COMMUNICATIONS DIVISION
CUSTOMER SERVICES
Version 1.0 22/11/2006
Created by Konrad Szombara
Page 71 of 103
6.4.1 VOICE BAND CODEC
Chipset
ADI AD6537B
Package
148-Ball LFBGA
Baseband Transmit Section
GMSK Modulator
channel & Q-channel Transmit DACs and Filters
Power Ramping DAC
Baseband Receive Section
channel and Q-channel Receive ADCs and Filters
Auxiliary Section
Voltage Reference
Automatic Frequency Control DAC
Auxiliary ADC
Light Controllers
Audio Section
8 kHz & 16 kHz Voiceband Codec
48 kHz Monophonic DAC
Power Amplifiers
Power Management Section
Voltage Regulators
Battery Charger
Battery Protection
Digital Processor Interface
Control, Baseband, and Audio Serial Ports
Figure AD6537B Functional Block Diagram