RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
REFERENCE CLOCK
1805-1880MHz
Orderable Part
Non - Orderable Part
925-960MHz
GSM SERVICE SUPPORT GROUP
2003.06.04
LEVEL 3 RF Block Diagram
Rev. 1.0
Dual Band C200
Michael Hansen
Page 1 of 2
ANT 1
CALIBRATION
RF PORT
GSM_RX
DCS_RX
TX_GSM
TX_DCS
U708
PA/PAC
GSM TX
DCSTX
G
S
M
T
X
D
C
S
T
X
6
RF Switch
Control
GSM_T/R
DCS_T/R
1
3
4
6
V_BR
90
o
1
2
90
o
1
2
Gain Control
26
25
24
23
6
7
9
10
IP
IN
QP
QN
U801
AFC
(SPI BUS)
17
19
1
3
13Mhz
IQ Dual
CTNL
BS1
VBAT
TCXOEN
V_BR
V_SYN
V_TX
U751
V_RX
V_BR
(VCC)
Supports:
VCC for GSM 1800 LNA - 13
VCC for OPLL & Phase detector - 15
VCC for IQ Modulator - 23
VCC for BaseBand - 46
VCC for RF Local Buffer & Divider - 47
VCC for Direct Conversion Mixers - 51
GSM TX
DCS TX
(Both Low For RX)
5
RF ANTENNA
U707
7
1
5
11
9
6
EGSM RX
Low Channel - 975 = 925.2Mhz
Mid Channel - 37 = 942.4Mhz
High Channel - 124 = 959.8Mhz
EGSM TX
Low Channel - 975 = 880.2Mhz
Mid Channel - 37 = 897.4.4Mhz
High Channel - 124 = 914.8Mhz
GSM 1800 RX
Low Channel - 512 = 1805.2Mhz
Mid Channel - 700 = 1842.8Mhz
High Channel - 885 = 1879.8Mhz
GSM 1800 TX
Low Channel - 512 = 1710.2Mhz
Mid Channel - 700 = 1747.8Mhz
High Channel - 885 = 1784.8Mhz
DUAL-BAND TRANCEIVER IC
U601
D
u
a
l
B
a
n
d
C
2
0
0
Revision Overview
Rev. 1.0: initial Block Diagram
RF VCO
2
1
2,4
35
VCXO
2
1
31
Phase Det
Charge Pump
RX
IF VCO
Phase Det
Charge Pump
TX
R624
1
2
3
4
5
6
7
8
TX I/Q
Phase Det
Charge Pump
TX
VCO
PAC
RAMP
2
TX_ON
3
R626
2dB
R628
5dB
VBAT
4
MOD
TX / RX Switch
3
8
U706
5
9
7
1
11
2, 4, 6
Duplexer
Control
Function
U701
U702
10, 12
5
U705
1
3
VBAT
TCXOEN
U751
1
3
5
5
V_BR
48
(VCCMixer)
V_SYN
42
(VCC RF Local Oscillaror)
V_RX
41
(VCCRF VCO)
V_BR
40
(VCC Base Band)
V_SYN
37
(VCC RF Synthesizer)
V_SYN
27
(VCC TX IF Synthesizer)
V_BR
22
(VCC IQ Modulator)
V_TX
14
(VCC TX VCO)
V_BR
13
(VCC PLL)
V_BR
1
(VCC Low Noise Amlifier)
SPI
DATA
CLK
LE
29
30
32
( for IC Control)
Summary of Contents for C200
Page 2: ......
Page 4: ...4 May 19 2003 6809464A58 Contents Product Family D10 ...
Page 18: ...18 May 19 2003 6809464A5 O General Operation Product Family D10 PRELIMINARY ...
Page 41: ......
Page 78: ...BenQ Rev 1 0 37 ...
Page 79: ...BenQ Rev 1 0 38 ...
Page 80: ...BenQ Rev 1 0 39 ...
Page 81: ...BenQ Rev 1 0 40 ...
Page 82: ...BenQ Rev 1 0 41 ...
Page 83: ...BenQ Rev 1 0 42 ...
Page 84: ...BenQ Rev 1 0 43 ...
Page 85: ...BenQ Rev 1 0 44 ...
Page 86: ...BenQ Rev 1 0 45 ...
Page 87: ...BenQ Rev 1 0 46 ...
Page 88: ...BenQ Rev 1 0 47 ...
Page 89: ...BenQ Rev 1 0 48 ...
Page 90: ...BenQ Rev 1 0 49 ...
Page 91: ...BenQ Rev 1 0 Radio Frequency function Descriptions Top Side 50 Bottom Side ...
Page 92: ...BenQ Rev 1 0 51 ...
Page 95: ...BenQ Rev 1 0 54 Apollo Block Diagram ...
Page 96: ...BenQ Rev 1 0 Tx Block Diagram 55 ...
Page 97: ...BenQ Rev 1 0 56 Rx Block Diagram ...
Page 98: ...BenQ Rev 1 0 57 TX Front End EGSM DCS ...
Page 99: ...BenQ Rev 1 0 58 Rx Front End EGSM DCS ...
Page 100: ...BenQ Rev 1 0 59 RF power management ...
Page 101: ...BenQ Rev 1 0 60 Tx Power ...
Page 102: ...BenQ Rev 1 0 VCXO 61 ...
Page 103: ...BenQ Rev 1 0 Base Band full schematic 62 ...
Page 104: ...BenQ Rev 1 0 RF full schematic 63 ...
Page 140: ...BenQ Rev 1 0 Replacement Parts Exploded View 99 Fig 1 Mechanical Exploded View I ...
Page 141: ...BenQ Rev 1 0 Fig 2 Mechanical Exploded View II 100 ...
Page 142: ...BenQ Rev 1 0 Fig 3 Mechanical Exploded View III 101 ...