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Now downloading free:motorola W370 W375 Circuit Description

motorola W370 W375 Circuit Description free download

Cell phone, GSM, Satellite phone - Nokia, Siemens, Samsung mobiles service manuals and repair information

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File name:W370_W375_Circuit_Description.pdf
[preview W370 W375 Circuit Description]
Size:1057 kB
Extension:pdf
Mfg:motorola
Model:W370 W375 Circuit Description 🔎
Original:W370 W375 Circuit Description 🔎
Descr: motorola Mobile Phone W370_W375_sm W370_W375_Circuit_Description.pdf
Group:Electronics > GSM Mobile Phones
Uploaded:01-09-2022
User:Anonymous
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File name W370_W375_Circuit_Description.pdf

W370/W375 Level 3 Circuit Description 10 August 2006 V1.0 W370/W375 Level 3 C Index 1 Receive ... 5 1.1 Band selection... 5 1.2 Frontend... 5 1.3 Demodulation... 7 1.4 Audio Codec... 9 1.4.1 Voice Downlink Patch ...9 1.5 Earpiece Receiver ... 10 1.6 Headset ... 10 1.7 Speaker Phone ... 10 1.8 Data Download Receive Path ... 10 1.9 26MHz System Clock... 11 2 Transmit ... 12 2.1 Audio (Voice uplink Patch)... 12 2.2 Data Download Transmit Path ... 13 2.3 Stereo Audio Path... 13 2.4 Modulation... 14 2.5 Transceiver IC... 16 2.5.1 Function Description ... 16 2.5.2 Receiver Section... 17 2.5.3 Transmit Section ... 18 2.5.4 Digitally- Controlled Crystal Oscillator (DCXO) ... 19 2.6 RF TX PA ... 19 3 Syren Monitoring ADC ... 20 4 Baseband Serial Port (BSP) ... 21 5 Microcontroller Serial Port (USP) ... 21 6 General purposes I/O (GPIO)...

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