SAMSUNG SGH-R210 Schematic Block Diagram

4. Block Diagrams

Battery

Type

Battery

Voltage

Battery

Temperature

3VAERO

RTC_3V3

Serial Data

Interface

I/O

Interface

A/D

Interface

AFC

PLL

LOAD

SWITCH

Charging

Circuit

Li-Ion Battery

(Standard)

ONE C

VIBRATOR

SYSTEM CLOCK

(13MHz)

SRAM

FLASH

EEPROM

RTC_CLOCK

(32.768KHz)

KEYPAD

SIM CARD

SPEAKER

MIC

LCD

BB INTERFACE

RF INTERFACE

LVCC

AVCC

VDD3.0

3VRF

4-1 Main Baseband

Block Diagrams 4-1

4-2 Main RF

EGSM RX

925~960 MHz

(CH62 : 947.4 MHz)

DCS RX

1805~1880 MHz

(CH698 : 1842.4 MHz)

SAW

Filter

F205

SAW

Filter

F204

LNA

LNA

PGA

PGA ADC

ADC

VCTCXO

(U100)

EGSM TX

880 ~ 915 MHz

(CH62 : 902.4 MHz)

DCS TX

1710 ~ 1785 MHz

(CH698 : 1747.4 MHz)

Dual PAM

(U476)

Antenna

S/W

(U203)

RF

Conector

(CN1)

Si4200 (U623)

RF

PLL

IF

PLL

Si4133T (U684)

PD

LPF

Mixer

Channel

Filter

PGA

PGA DAC

DAC

100

kHz

Si4201 (U685)

VP40578

(U467)

Bryce Park

I

Q

I

Q

SD ATA

SCLK

SENB

PDNB

4-2 Block Diagrams