3. TECHNICAL BRIEF
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• AD6537B is an ADI designed Analog Baseband processor. AD6537B covers the processing
GMSK modulation interface, Aux ADC, Voice signal processing and Power Management.
• AD6537B consists of
1. BB Transmit section
• GMSK Modulation
• I-channel & Q-channel Transmit DACs and Filters
• Power Ramping DAC
2. BB Receive section
• I-channel & Q-channel Receive ADCs and Filters
3. Auxiliary section
• Voltage Reference
• Automatic Frequency Control DAC
• Auxiliary ADC
• Light Controllers
4. Audio Section
• 8 kHz & 16 kHz Voiceband Codec
• 48 kHz Monophonic DAC
• Power Amplifiers
5. Power Management section
• Voltage Regulators
• Battery Charger
• Battery Protection6. Digital Processor section
• Control, Baseband, and Audio Serial Ports
• Interrupt Logic
Содержание B2050
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Страница 53: ... 52 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM 4 TROUBLE SHOOTING ...
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Страница 91: ... 90 5 DOWNLOAD AND CALIBRATION 6 Press Start and Pover on the phone using JIG remote Power on Switch 1 ...
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