Figure 3-25. AD6521 function block diagram.
3.7 Analog Main Processor
- 40 -
AD6521
AD6521
BSAEBAND
SERIAL
PORT
FILTER
Q TRANSMIT
DAC
I TRANSMIT
DAC
10 bit
RAMP DAC
JTAG Interface
INTERP
GMSK MOD
32 x 10 bit
RAMP RAM
FILTER
FILTER
I RECEIVE
DAC
Q RECEIVE
DAC
FILTER
FILTER
13 bit
AFC DAC
10 bit
I DAC
10 bit
AUX DAC
VOLTAGE
REFERENCE
AUXILIARY
SERIAL
PORT
CONTROL
REGISTOR
FILTER
PGA
MIC
ADC
DAC
PGA
VOICEBAND
SERIAL
PORT
SAMPLE
RATE
CONV
SAMPLE
RATE
CONV
FILTER
FILTER
ITXP
ITXN
QTXP
QTXN
RAMPDAC
IRXP
IRXN
QRXP
QRXN
AFCDAC
IDACOUT
IDACREF
AUXADC1
AUXADC2
AUXADC3
AUXADC4
REFOUT
REFCAP
VOUTNORP
VOUTNORN
VOUTAUXP
VOUTAUXN
BUZZER
VINNORP
VINNORN
VINAUXN
VINAUXP
VSDI
VSDO
VSFS
ASDI
ASDO
ASFS
BSDI
BSIFS
TXON
ATSM
RXON
BSDO
BSOFS
ARSM
MCLK
MCLKEN
RESET
TDI
TDO
TMS
TCK
BASEBAND TRANSMIT SECTION
BASEBAND RECEIVE SECTION
AUXILIARY SECTION
VOICEBAND SECTION
Dual-Mode Voiceband Baseband Codec
for ICO
3. TECHNICAL BRIEF
Содержание G3100
Страница 32: ... 34 3 TECHNICAL BRIEF Figure 3 20 TX IQ Signal Figure 3 21 RX IQ Signal ...
Страница 40: ... 42 Figure 3 26 1 Voice band circuit diagram Headset Hands free kit part 1 3 TECHNICAL BRIEF ...
Страница 42: ... 44 Figure 3 27 AD6521 circuit diagram 3 TECHNICAL BRIEF ...
Страница 73: ... 75 4 3 8 Receiver RF Level Figure 4 1 Test Points of Rx Level 4 TROUBLE SHOOTING ...
Страница 74: ... 76 4 3 9 Transmitter RF Level Figure 4 2 Test Points of Tx Level 4 TROUBLE SHOOTING ...
Страница 81: ... 83 The Receiver part Circuit Diagram C203 C207 C206 4 TROUBLE SHOOTING ...
Страница 87: ... 89 R202 MIC201 R204 C204 C201 R208 R206 C208 Q203 4 TROUBLE SHOOTING ...
Страница 93: ... 95 Test SIM Connector Check J301 4 TROUBLE SHOOTING ...
Страница 97: ... 99 J201 R240 C234 L201 R241 4 TROUBLE SHOOTING U205 U203 U204 ...
Страница 101: ... 103 CN302 U203 U204 4 TROUBLE SHOOTING ...
Страница 102: ... 104 U205 4 TROUBLE SHOOTING ...
Страница 104: ...5 DISASSEMBLY INSTRUCTION 106 3 Detach the rest components as shown below Figure 5 3 Detaching the rest components ...
Страница 108: ...3 Press Start and Wait until Erase is completed 110 1 Press Start 2 Confirm completion 6 SOFTWARE DOWNLOAD ...
Страница 117: ... 119 9 PCB LAYOUT 9 1 Rear Part ...
Страница 118: ...9 2 Front Part 120 ...
Страница 124: ... 126 11 2 Standalone Test Equipment Setup GSM Test Equipment Power Supply PC JIG RS 232 Cable Phone 11 STAN ALONE TEST ...
Страница 134: ... 137 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...