Sony Ericsson Walkman W580c, Белая книга

Страница: 26 / 58

White paper W580
26 June 2008
Technical specifications
General technical data
Performance and technical characteristics
System Quad-band GSM phase 2 recommendations. GSM850 (3GPP 31.101-
1), GSM 900 (CTR 19 and CTR 20), GSM 1800 (CTR 31 and CTR 32),
GSM 1900 and e-GSM mode supported. (GSM 900 not available on
W712a)
Speech coding HR, FR, EFR, and AMR, for high speech quality.
GSM SIM/ USIM card GSM SIM - GSM 11.11, Small plug-in card, 1,8 V and 3 V.
Memory, built-in (user free) 12 MB built-in memory (depending on software configuration/file
content)
Memory, expandable memory
card • 512 MB Expandable Memory Stick Micro™ included.
• Up to 4GB on Expandable Memory Stick Micro™ (M2™), sold sep-
arately.
Dimension GSM 850 GSM 900/E-GSM
900 GSM 1800 GSM 1900
Frequency range
(MHz) TX: 824 – 849 MHz
RX: 869 – 894 MHz
TX: 880 – 915
RX: 925 – 960
TX: 1710 – 1785
RX: 1805 – 1880
TX:1850 –1910
RX:1930 – 1990
Channel spacing 200 kHz 200 kHz 200 kHz 200 kHz
Number of
channels 124 Carriers *8
(TDMA) 174 Carriers *8
(TDMA) 374 Carriers *8
(TDMA) 299 Carriers *8
(TDMA)
Modulation 8PSK/GMSK 8PSK/GMSK 8PSK/GMSK 8PSK/GMSK
TX Phase Accuracy < 5º RMS Phase
error (burst)
< 5º RMS Phase
error (burst) < 5º RMS Phase
error (burst) < 5º RMS Phase
error (burst)
Duplex spacing 45 MHz 45 MHz 95 MHz 80 MHz
Frequency stability +/- 0.1ppm +/- 0.1ppm +/- 0.1ppm +/- 0.1ppm
Voltage operation
(nominal) 3.6 V 3.6 V 3.6 V 3.6 V
Transmitter RF
power output 33 dBm Class 4
(2 W peak)
33 dBm Class 4
(2 W peak)
30 dBm Class 1
(1 W peak)
30 dBm Class 1
(1 W peak)
Transmitter Output
impedance 50 ohm 50 ohm 50 ohm 50 ohm