| File information: | |
| File name: | W220_Circuit_description.pdf [preview W220 Circuit description] |
| Size: | 1428 kB |
| Extension: | |
| Mfg: | motorola |
| Model: | W220 Circuit description 🔎 |
| Original: | W220 Circuit description 🔎 |
| Descr: | motorola Mobile Phone W220_sm W220_Circuit_description.pdf |
| Group: | Electronics > GSM Mobile Phones |
| Uploaded: | 17-08-2022 |
| User: | Anonymous |
| Multipart: | No multipart |
| Information about the files in archive: | ||
| Decompress result: | OK | |
| Extracted files: | 1 | |
File name W220_Circuit_description.pdf 725 Edge W220 GSM/GPRS Level 3 Circuit Descriptions W220 GSM/GPRS Level 3 Circuit Description 2006/03/27 V1.0 Motorola Proprietary Information/ 725 Edge W220 GSM/GPRS Level 3 Circuit Descriptions Index 1 Receive ... 4 1.1 Band selection... 4 1.2 Frontend... 6 1.3 Demodulation... 6 1.4 Audio... 7 1.5 26MHz System Clock ... 10 2 TRANSMIT... 10 2.1 Audio... 10 2.2 Modulation... 12 2.3 TX VCO... 13 2.4 TX PA... 14 2.5 TX PA Power Control ... 14 3 Baseband Processsor ... 16 3.1 Main Baseband Digital Processor - U201 (CalypsoLite) ... 16 3.2 Baseband Analogue Coprocessor | ||

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