3. TECHNICAL BRIEF
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3.6.3 Auxiliary Section
1. This section includes an Automatic Frequency Control(AFC) DAC, voltage reference
buffers,an Auxiliary ADC, and light controllers.
• AFC DAC: 13 bits
2. This section also contains AUX ADC and Voltage Reference
• IDAC: 10 bits
• The Auxiliary ADC provides :
- Two differential inputs for temperature sensing.
- A differential input for the battery charger current sensor
Figure 3-14 AD6537B AUXILIARY SECTION
CSFS
CSDI
CSDO
AD6537B
Control
Serial
Port
AFC
DAC
Voltage
Reference
REFTXCM
Aux
ADC
AFCDAC
REFBB
REFOUT
REF
REFCHG
TEMP1
TEMP2
AUXADC1
AUXADC2
AIN1P
AIN2P
BATTYPE
ISENSE
VBATSENSE
LIGHT1
LIGHT2
LIGHT3
Light
Controllers
Содержание B2070
Страница 54: ... 53 4 TROUBLE SHOOTING 4 2 TX Trouble TEST POINT 13Mhz OSCILLATOR Mobile SW FEM TRANCEIVER LDO PAM ...
Страница 68: ... 67 4 TROUBLE SHOOTING TEST POINT 4 6 LCD Trouble ...
Страница 72: ... 71 4 TROUBLE SHOOTING TEST POINT 4 8 Speaker Trouble ...
Страница 79: ... 78 4 TROUBLE SHOOTING 4 11 KEY backlight Trouble TEST POINT ...
Страница 96: ...6 Press Start and Pover on the phone using JIG remote Power on Switch 1 5 DOWNLOAD AND CALIBRATION 95 ...
Страница 107: ... 106 8 PCB LAYOUT Figure 8 1 B2070 BOTTOM SIDE PCB LAYOUT ...
Страница 108: ... 107 8 PCB LAYOUT Figure 8 1 B2070 TOP SIDE PCB LAYOUT ...
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Страница 117: ...10 STAND ALONE TEST 116 Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
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