Motorola D10 Service Manual page 148

U707
CALIBRATION
ANT 1
4
RF PORT 3
RF Switch
Control
5
1
6
TX / RX Switch
5 8
U706
Control
Function
U705
1 DCS_RX
6
3 Duplexer
GSM_RX
11
5
2, 4, 6
RF ANTENNA
10, 12 9 7
U708
PA/PAC
DCSTX 11
GSMTX
9
VBAT
TCXOEN
DCS TX
DCS_T/R
VBAT
(Both Low For RX)
V_BR (VCC)
TCXOEN
GSM_T/R GSM TX
U701
1805-1880MHz U702
925-960MHz
GSM 1800 RX
EGSM RX
Low Channel - 975 = 925.2Mhz Low Channel - 512 = 1805.2Mhz
Mid Channel - 37 = 942.4Mhz Mid Channel - 700 = 1842.8Mhz
High Channel - 885 = 1879.8Mhz
High Channel - 124 = 959.8Mhz
EGSM TX GSM 1800 TX
Low Channel - 975 = 880.2Mhz Low Channel - 512 = 1710.2Mhz
Mid Channel - 37 = 897.4.4Mhz Mid Channel - 700 = 1747.8Mhz
High Channel - 885 = 1784.8Mhz
High Channel - 124 = 914.8Mhz
VBAT V_BR
4 5
2dB
TX_DCS
1
R626
2
CTNL
BS1
TX_GSM
7
R628
5dB
6
PAC RAMP
3
TX_ON
V_SYN
1
V_RX
U751 V_BR
5
3 V_SYN
V_TX
V_BR
1 V_BR
V_TX
U751 5
3 V_BR
DATA
(SPI BUS)
CLK
( for IC Control)
LE
Revision Overview
Rev. 1.0: initial Block Diagram
27 (VCC TX IF Synthesizer) 48
(VCCMixer)
22 (VCC RF Local Oscillaror) 42
(VCC IQ Modulator)
14 (VCC TX VCO)
(VCCRF VCO) 41
13
(VCC PLL) (VCC Base Band) 40
1
(VCC Low Noise Amlifier) (VCC RF Synthesizer) 37
26
6
o
1
90
2
7
25
Gain Control
9 24
o
1
90
10
2
23
1
RX
2 RF VCO
Phase Det
32 Charge Pump
30 SPI
29
35
VCXO
3
31
2
1
Phase Det
Charge Pump
TX
IF VCO
IQ Dual
MOD
TX I/Q
Phase Det
Charge Pump
19
TX
17
VCO
U601
DUAL-BAND TRANCEIVER IC
GSM SERVICE SUPPORT GROUP
LEVEL 3 RF Block Diagram
Dual Band C200
Michael Hansen
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
V_BR
V_SYN
V_RX
V_BR
V_SYN
QN
1 8
QP
7
2
R624
6 IN
3
IP
4 5
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
AFC
U801
1
2,4
13Mhz
2003.06.04
Rev. 1.0
Page 1 of 2
REFERENCE CLOCK
Orderable Part
Non - Orderable Part