• AD6537B is an ADI designed processor.
• AD6537B consists of
1. BB Transmit section
• This section generates in-phase and quadrature BB modulated GMSK signals.
• Digital GMSK modulator, 10-bit DACs, Reconstruction Filter
2. BB Receive section
• 2 identical ADC channels that process BB in-phase and quadrature input signals.
3. Auxiliary section
• 2 auxiliary DASs
→
AFC DAC, IDAC, AUX ADC
• AUX ADC : 6 channels 10 bits
AFC DAC : 13 bits
IDAC : 10 bits
4. Voiceband section
• Receive audio signal from MIC.
Send audio signal to Speaker
• It interconnect with external device like main microphone, main receiver, earmicrophone
and Hands-free kit.
5. Power Management section
• 8 LDOs Block in the AD6537B. VCORE, VMEM, VEXT, VSIM, VRTC, VABB, VMIC,
VVCXO
• Battery Charging Block
3. TECHNICAL BRIEF
- 30 -
Summary of Contents for C1150
Page 1: ...Service Manual Model C1150 Service Manual C1150 Date October 2005 Issue 1 0 ...
Page 3: ......
Page 99: ...Note 100 ...
Page 104: ... 105 8 PCB LAYOUT 8 PCB LAYOUT ...
Page 105: ... 106 8 PCB LAYOUT ...
Page 113: ...10 STAND ALONE TEST 114 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Page 117: ...Note 118 ...
Page 119: ... 120 Note ...
Page 135: ...Note 136 ...