Radio Part General - LG -P940 Service Manual

3.1 Radio Part General

SMARTi™ UE2 is a highly integrated UMTS/GSM-transceiver, with all necessary features to enable multi mode,
multi band mobile cellular devices. It incorporates a fully integrated dual mode receiver with main and diversity
chains, 2 multi band TX outputs, control, Digitally controlled crystal support, a measurement interface,
DigRFV3.09 compliant high speed data and control interface, a multi mode timer unit and all necessary front end
signals for the complete RF Engine control. Overall the IC directly supports RF engines with up to 4 GSM bands
and typical 4 UMTS (can be less or more depending on engine setup) bands without additional discrete RF path
switches.
PMU
DigRF 3G
V3_09
-. 3GPP release 7 (HSPA+)
-. Up to 5 UMTS-FDD / 4 EDGE Bands
* Band I ~ VI, VIII ~ X
* 28Mbps DL / 11.5Mbps UL (HSPA+ 64 / 16QAM)
* HSPA+ 21Mbps,HSDPA14.4Mbps,HSDPA5.76Mbps (cat 10 / 6)
-. Standard DigRF V3.09 interface to Digital BB
-. Multi-Mode / Multi-Band Single-Chain Tx Concept
LGE Internal Use Only
Power
Diversity
Control
Receiver
Xtal
Main
Receiver
Data
&
(GPO/SPI)
Control
Digital
Modulator
[Figure 3-2] SMARTi UE2 main feature
* EGPRS MSC 33 / 34
W1
GW
GW5
GW6
W1
GW
G1300
GW5
GW6
FE CTRL
Ctrl
Lo band
Det
Hi band
Ctrl DC/DC
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3. TECHNICAL BRIEF
Only for training and service purposes