15.1.1999
4y1800gb
21
Product: TGP-60-EU (Vega) / OY1800-RF
5.4 RF-module
OY1800-RF
5.4.1 General
The RF-Module is based on Siemens RF-chipset, which consists of GSM
receiver circuit PMB 2405, modulator / TX circuit PMB2240 and synthesizer
PMB2307. The final power amplifier is Hitachi PF0145.
Radio module is powered by four 3.0 / 3.3 V linear regulators, which provide
separate power supply for PLL syyntesizer and VCO, modulator and TX-parts,
other RF-parts as AGC-amplifier and LNA etc. and 13 MHZ reference
oscillator.
A block diagram of the RF-module
:2
BPF
902
MHz
IQ
mod
IF
PLL
IFVCO
492
MHz
:2
BPF
246
MHz
BPF
947
MHz
TX
ANT
RX
Siemens PMB 2405 GSM receiver
Siemens PMB 2307R
PLL
PLL
TXQX
TXQ
PA
+
-
TXI
PAOUT
VCC3
PUPLO
SLEEP
TXON1
TREF
+RF
TXIX
VCC2
13 MHz
VCTCXO
PRE
AMP
POWER
DETECTOR
VB
VCC
SYGCDT
VS3
VS2
VS1
SYGCCL
PGCSTR
RXON2
RXI
RXIX
RXQ
RXQX
RXON1
OPVC
OCE
AFC
VCXO
13 MHz
Siemens PMB 2240 GSMtransmitter
TXRFIN
VDD
SYGCDT
SYNSTR
SYGCCL
DUP
RF VCO
BFP
902 MHz
Summary of Contents for TGP-65-EU iO
Page 1: ...15 1 1999 GP_60UGB TOC 1 Product TGP 60 EU Vega SERVICE MANUAL BENEFON VEGA TGP 60 EU ...
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Page 13: ...15 1 1999 2GP_60GB 9 Product TGP 60 EU Vega BeneWin BeneWin ...
Page 14: ...25 01 1999 1USER_GB 1 Product TGP 65 EU io 2 0 OWNER S MANUAL ...
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