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GSM SERVICE SUPPORT GROUP

17.02.00

Level 3 Schematics

Rev. 1.0

Dualband DAO (V8088)

8486183p01

Michael Hansen, Ralf Lorenzen, Ray Collins

Page 1

REVISIONS

SAT_DET

FL460

945MHz

DCS_LNA275

FL450

1805-1880MHz

A1

DCS_LNA275

G

S

M

_

L

N

A

2

7

5

PAC_275

U101

Q101

Q105

SW_RF

Q105

MIX_275

PAC_275

FL300

900/1800MHZ

GSM_PINDIODE

GSM_PINDIODE

CR306

CR307

Q303

Q304

Q304

-5V_SW

PA_B+

DCS_PA_B+

U400

U300

Q106

Q331

Q330

PA_B+

B+

DM_CS

RF_V2

-5V_SW

-5V

PAC_275

Q104

Q104

Q102

MIX_275

Q451

FL465

1842,5MHz

MIX_275

Q461

FL470

942,5MHz

GSM_LNA275

MIX_275

GSM_LNA275

DCS_LNA275

Q1254

RVCO_250

SF_OUT

RVCO_250

Q255

Q253

DCS_VCO

CR251

CR250

VCTRL PAC_275

G_TX_VCO

D_TX_VCO

Q331

Q300

Q400

PA_B+

D_TX_VCO

PAC_275

Q303

Q302

Q302

Q301

G_TX_VCO

VCTRL

PAC_275

U340

PAC_275

CR300

CR301

Q455

TVCO_250

Q333

Q262

Q1254

MIX_275

FL457

400MHz

Q490

V1

RF_V2

RF_V2

SF_OUT

TX_KEY_PAC

DET_SW

SAT_DET

U201

GSM_SEL

SAT_DET

DET_SW

TX_KEY_PAC

NPA_MUTE

PA_B+

U341

U250

1747,5MHz

G_TX_VCO

D_TX_VCO

SF_OUT

PAC_275

DCS_SEL

V1

V

1

_

F

IL

T

D

C

S

_

S

E

L

U913

MAGIC

CR259

Q1255

RF_V1

R

F

_

V

2

RF_V2

MIX_275

GSM_SEL

RVCO_250

RF_V2

Q345

Q340

DCS_SEL

MIX_275

GSM_SEL

Q342

GSM_LNA275

DCS_LNA275

NPA_MUTE

TX_EN

DCS_VCO

RX_EN

SF_OUT

TVCO_250

SF_OUT

RVCO_250

V1_FILT V1_SW

Q344

B

C

L

K

R

B

F

S

R

B

D

R

R

X

_

A

C

Q

G

P

0

4

G

P

0

5

CR230

V1

RF_V1

BCLKX

CLK_SELECT

TX_KEY

DM_CS
MQSPI_CS1

MQSPI_CLK1
DX1

BDX

RF_V1

Vref

RF_V2

B+

Q240

Q242

Y230

26MHz

V

1

_

F

IL

T

V

1

_

F

IL

T

U200

DM_CS

TX_EN

Q202

Q202

DET_SW
TX_KEY_PAC

Vref

RF_V2

Q251

Q251

MAGIC_13MHz

TX_EN

TX_EN

Q343

Q346

RF_V2

DCS_SEL

PAC_275

GSM_PINDIODE

-5V

GSM_SEL

RX SIGNAL PATH

TX SIGNAL PATH

MAIN VCO SIGNAL PATH

TUNING VOLTAGES

13 MHz REFERENCE CLOCK

TEXT

REFERENCE SIGNALS

DATA BUS

ADDRESS BUS

Q301

Q201

Q322

Q320

Q321