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

4-2-1 RF Transmit Part

VCTCXO

(U100)

EGSM TX

880 ~ 915 MHz

(CH62 : 902.4 MHz)

DCS TX

1710 ~ 1785 MHz

(CH698 : 1747.4 MHz)

Antenna

S/W

(U203)

RF

Conector

(CN1)

VP40578

(U467)

Bryce Park

SD ATA

SCLK

SENB

PDNB

PD

LPF

Si4200 (U623)

I

Q

Dual PAM

(U476)

RF

PLL

Si4133-T (U684)

AFC

+VBATT Txpower

from U467

3VRF

8

3VTX

TXEN2

from U467

VC1 VC2

Ant. S/W

Control

Circuit

BAND Selection

VREG

BAND Selection

- GSM : Low

- DCS : High

<EGSM>

1279 ~ 1314 MHz

<DCS>

1327 ~ 1402 MHz

-6dBm

@ 1301.4 MHz (G)

-9dBm

@ 1364.4 MHz (D)

211

53

9

11

7

1

24

25

5

6

7

8

31

4

2

7

26,27

23,24

12,13

9,10

IF

PLL

9

/2

<EGSM>

880~895 MHz : 798 MHz

895~900 MHz : 790 MHz

900~915 MHz : 798 MHz

<DCS>

766 MHz

-6dBm

@ 798 MHz

-9dBm

@ 766 MHz

1

2

3

VC2VC1

Tx(GSM)

Tx(DCS)

Rx

L

L

H

H

LL

TXEN2

Txpower

2

1

Block Diagrams 4-3

4-2-2 RF Receive Part

1

I

5

4

-50dBm (G)

-54dBm (D)

@ 67 kHz

3

Bryce Park

(U467)

Q

SD ATA

SCLK

2

SENB

VP40578

2

PDNB

3

AFC

PGA DAC

Filter

Channel

Si4201 (U685)

11,12

4

1,2

ADC

PGA

Mixer

1,2

DAC

PGA

11,12

ADC

PGA

100

I/O

kHz

GSM : /2

14

7

31

12,13

9

-6dBm

@ 1895.6 MHz (G)

-9dBm

@ 1842.3 MHz (D)

23,24

4

(U100)

VCTCXO

2

7

<EGSM>

1849.8 ~ 1919.8 MHz

<DCS>

1804.9 ~ 1879.9 MHz

RF

PLL

Si4133-T (U684)

Si4200 (U623)

LNA

21,22

-52dBm

LNA

17,18

-52dBm

3,4

3,4

DCS RX

1805~1880 MHz

(CH698 : 1842.4 MHz)

EGSM RX

925~960 MHz

(CH62 : 947.4 MHz)

S/W

(U203)

Antenna

10 1

8

3

2

RF

(CN1)

Conector

- 50dBm

@ 947.067 MHz

- 50dBm

@ 1842.467 MHz

Filter

Filter

(F204)

(F205)

11

-51dBm -52dBm

SAW

SAW

4-4 Block Diagrams