Fly Bird FT20 Schematics
FT20 BB Block Diagram
BGP-FT20 BASEBAND BLOCK-DIAGRAM
Flash
(32M)
S-RAM
(4M)
Key Button
LCD : 2
EARJACK : 2
REED : 1
Vibrator : 1
7-Color LED : 3
Melody : 3
Key-LED : 1
Receiver ON: 1
Memory : 2
LCD
(Main, Sub)
MELODY IC
18-Pin I/O Connector
Addr.
21
Data.
16
KBC 5
KBR 5
16
4
1
From TCXO in
RF Part
Memory Interface
Key Matrix GPIO
Microwire
Interface
Interface
MCSI
URAT & Serial Interface
MCLK & RTC
Internal SRAM(2M)
32.768KHz
CPU
(ARM7)
DSP
(LEAD2)
HERC-ROM-20
OMERGA Interrupt
ARM Serial Port(SPI)
JTAG PORT
TIME Serial Port
Baseband Serial Port Voiceband Serial Port SIM Interface
3
2
2
2
VDX
VDR
VFSRX
VCLKRX
ON/OFF Button
••
ON/OFF Interrupt
Control
MCU Serial Port
JTAG & Debug
Time Serial Port
270KHz
Timing
Control
GMSK
Modulator
From TSP
Buffer1
Buffer2
From BSP
Burst
Burst
Baseband Codec Uplink Block
to BSP
Offset
Reg.
-
+
+
Offset
Reg.
PGA
•
Vol.
Con.
Voiceband Codec
Fs=270.8KHz Fs=1.08MHz Fs=6.5MHz
UL
Filter
Side Tone
DL
•
Filter
SIM Card Shift
Downlink Block
FIR
Flter
FIR
Flter
NAUSICA
Cos
Table
Sine
Table
SINC
Filter
SINC
Filter
2.5dB
Vol.
Con.
16 × 270KHz
ADC
Digital
Mod.
6-Bit
DAC
10-Bit
DAC
10-Bit
DAC
6-Bit
DAC
Sigma-Delta
Modulator
Sigma-Delta
Modulator
SIMLDO
Offset
Reg.
Low-pass
Low-pass
Offset
Reg.
ADC
& Filter
From TCXO in
CLK13M
×5
Filter
Filter
RF Part
Anti-aliasing
Anti-aliasing
VAUX
MISC. I/O INPUT
(ADCs)
•
•
•
•
25.6dB
-5dB
LCD_M-V1
LCD_S-V1
BULIP
BULIM
BULQP
BULQM
BDLIP
BDLIM
BDLQP
BDLQM
Batt_ID
Radio_Temp
PRECHARGE
AFC
PA_LEVEL
RF CHIPSET
CONTROL
JACK_EN
A/S
RCV
6
SIM CARD
To Ulysse &
Omerga
MIC
EARPHONE
RF INTERFACE
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
JACK
SPEAKER
MCLK(13MHz)
Radio_Temp
RF_ENA
XO_ENA
AFC
APC
CLK
DATA
PA_ON
SYN_EN
EN
BULIP
BULIM
BULQP
BULQM
BDLIP
BDLIM
BDLQP
BDLQM
- JTAG : 4 Pin
- UART1 : 5 Pin
- UARE2 : 2Pin
- Battery : 2 Pin
- Charging : 2 Pin
- Power-On : 1 Pin
- GND : 2 Pin
7
VRPC_STAT
RSTZ
Power Supply
VR1
VR2
VR3
VR1(1.8V)
VR2(2.85V)
VR3(2.85V)
VR1B(2.0V)
VR2B(2.8.5V)
ON_OFF
RESPWRONZ
VRx,VREF,
IREF,UVLO
OP,IPTAT
Voltage Regulation & Battery Management
Debounce
WDT
••
VR2B VR2 VR1 VR1B VR3
•
•
••
VR2BBUVR2BUVR1
UPR
•
•
Controlled by
BUMODE
BU
••
VBB
•
•
•
VMB
BB-Switch
VBAT
GND
Backup Battery
(Li, 3.0 mAh)
Batt_ID
FT20 RF Block Diagram
EGSM:925~960MHz
B7706
DCS:1805~1880MHz
SAPSD1G84
S/W
LNA
LNA
∏/2
PGA
PGA
GSM Tx : 1279.2 ~ 1313.8MHz
GSM Rx : 1850.2 ~ 1919.4MHz
DCS Tx : 1327.2 ~ 1401.8MHz
DCS Rx : 1805.1 ~ 1879.7MHz
ADC
ADC
100kHz
C
F
H
I
A
L
T
N
E
N
R
E
L
Si4201
PGA
PGA
Si4134T
RF
PLL
DAC
RXIP
RXIN
RXQP
DAC
RXQN
13MHz
SYN/CLK
SYN/DATA
SYN/EN
DCS:1710~1785MHz
RF3133
EGSM:880~915MHz
ANT. S/W
LMG002S-5047A
PA_ON
BSW
PA
Module
Si4200
Transceiver
/1,2
Φ
DET
EGSM Tx IF : 880.2~894.8 :798MH z
900.2~914.8 : 798MHz
895~900 : 790MHz
DCS Tx IF : 766MHz
/2
IF
PLL
DCXO
X-TAL
[NX4025DA]
13MHz
AFC
PDB
TXIP
TXIN
SDI
SDO
TXQP
TXQN
RF_ENA
XO_ENA
BSW
VBAT
PA_ON
PA_LEVEL
This document is the property of Bellwave and may not be copied without a written authorization.
1
A
2 6
7 1683
9
10
121154
13
14
15
A
B
C101
C
D
GSM_OUT
DCS_OUT
220u/6.3V
R120
C100
C102
2.2u
33p
(1608)
22
22R121
BSW
PA_ON
E
F
G
H
PA_LEVEL
R101
11K
C114
180pF
C103
10n
VBAT
RF2V85
8
12
4
7
GSM_IN
1
DCS_IN
2
BAND
3
TX_EN
6
VRAMP
13
10
GVCC
Vccout
VBATT
U104
RF3133
G214G3
G4
G5
G7
G8
G1
G9
15
16
17
18G619
20
21
9
GSM_OUT
DVCC
11
DCS_OUT
5
VREG
G11
G1225G13
G14
G10
22
23
24
26
C130
10n
PA_ON
C109
L102
C108
47p
10
LMG002S-5047A
VC1
VC2
2
11
U101
4G16G27
1
DCS_RX
G3
9
G4
GSM_RX
G5
12
8
ANT
G6
14
NC
C111
27p
5
GSM_TX
DCS_TX
3
NC
C116
150p
RF2V85
2
1
U102
UMD9N
47k
10k
47k
C112
34
10k
5
6
47p
R102
10K
C113
22p
U103
UMD9N
47k
34
10k
5
6
R103
10K
10k
47k
C115
10n
RF2V85
2
1
C110
27p
L101
18n
RX_1800
RX_900
L100
18n
C107
ANT1
ANT_BW
1p
R105
0
ANT101
2
MM8430-2600RAI
OUT
G356G4
G134G2
IN
1
BSW
B
C
D
E
F
G
H
RF2V85
Q101
I
DTC114YE
OUT
R104
10K
I
IN
GND
J
K
L
1 15
2
3
5
6
74
8
9
Changed by: REV:
10
Date Changed:
11
2003. 08.29
Time Changed:
12
Engineer:
Drawn by:
R&D CHK:
DOC CTRL CHK:
13
TITLE:
5.1
14
Bellwave
FT20
RF PAM
Drawing Number:
16
1 of 7
Page:
J
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Size:
A3
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2
3
4
7
8
9
10
11 146
12
13
A
15
165
A
B
C
D
E
F
G
H
I
J
K K
L
1
PDB
SYN_EN
CLK
DATA
13MHZ
RXQP
RXQN
RXIP
RXIN
2
XO_ENA
AFC
SYN_EN
CLK
DATA
R201
2KR200
RF2V85
1K
C200
RF2V85
C203
22n
1
2
3
4
5
22n
GND1
RXQP
RXQN
RXIP
RXIN
GND2
16
20
21
17
18
19
SDI
SCLK
SENB
VDDA
15
SDO
14
PDNB
13
U200
XEN
12
SI4201
ION
11
IOP
VDCC
CKN9CKP
GND
XIN XOUT
6
8
7
10
TXIP
TXIN
TXQP
TXQN
R202
10K
RF2V85
C220
22n 22n
1
2
3
4
5
6
7
8
RF2V85
C207
100p
R203
0
C215
10n
3
4
RF2V85
C209
22n
5
L202
3.9n
1
IFLB
2
IFLA
3
PDN
4
XDRVEN
5
XDRV
6
GND
7
VDD2
8
GND1
X201
4
GND
2
GND1
XOUT
TAS-4025A
6 13 15
7
RF2V85
GSM_OUT
DCS_OUT
RF2V85
C221
U201
ION
IOP
CKN
CKP
TXIP
TXIN
TXQP
TXQN
29
28
31
25
32
26
30
33
NC1
NC2
VDD3
VDD4
PDNB
GND227GND3
GND4
RFOG
24
RFOD
23
VDD1
22
RFIGN
21
U202
RFIGP
13
RFLON12RFLOP
14
VDD2
DIAG2
16
15
RF2V85
RFIDN
RFIDP
RFIPN
RFIPP
DIAG1
C214
22n
20
19
18
17
SI4200
IFLON9IFLOP
GND1
10
11
L200
27n
L201
7.5n
(COILCRAFT)
C204
C205
1pC201
1pC202
1.5p
1.5p
3
OUT+
4
OUT-
U203
SAFSD1G84
6
OUT+
OUT-
4
B7706
1
IN
G125G2
2
IN
G1
G23G3
1
5
RX_900
RX_1800
RF2V85
C208
22n
25
32
33
29
30
26
27
31
28
VDD
VDD1
GND5
GND6
GND7
IFLOP
IFLON
24
RFLOP
RFLON
GND2
23
NC2
22
GND3
U206
RFLC
SI4134T
RFLD
GND4
SDO
SDI
NC9NC1
SCLK
SEN
XTAL111XTAL212XTALEN
AFC
10
16
15
13
14
1
XIN
3
RF1_STRIPLINE
21
20
19
18
17
Changed by:
8
9
RF2V85
Date Changed:
C213
10u/6.3V
11
C210
10n 10n
2003. 08.29
12
5
C211
U205
MIC5245
Vout
Cbyp4EN
G
2
1
Vin
3
Time Changed:
C212
220p
Engineer:
Drawn by:
Approved by:
Date:
VBAT
RF_ENA
Bellwave
TITLE:
REV:
5.1 2 of 7
1410
FT20
RF MAIN IC
Drawing Number:
Size:
A3
Sheet:
16
B
C
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