10.2. RF Band
– 10-2 –
26 MHz
U301
TCXO module
MAA****A
I/IB
Q/QB
13M_BB
PALEVEL
AFC
EGSM900
925 - 960 MHz
EGSM900
880 - 915 MHz
DCS1800
1710 - 1785 MHz
U103
PA Module
RF3140
DCS1800
1805 - 1880 MHz
U101
Antenna Switch module
LMSP54AA-17
FL102
Tx SAW EGSM
EFCH897MMTE7
FL202
Rx SAW Filter EGSM
B7820
FL201
Rx SAW Filter DCS
B7821
U101
Transceiver IC
PMB6256V V1.1
DC offset Compensation
1/4
+
+
U102
Tx Limitter IC
PMB2256V V1.1
TXON
CLK/DA/EN
BAND_SEL
RF Synth
PLLON
3420 - 3980 MHz
VC1
VC2
TXON_PA
AM_TRIG
TEMP
π
/2
1/4
π
/2
1/2
π
/2
1/2
π
/2
RT101
NCP15WD683J03RC
Содержание EB-X400
Страница 86: ...12 1 12 LAYOUT DIAGRAMS 12 1 Main Board U2001 ...
Страница 87: ...12 2 ...
Страница 88: ...12 2 Upper Face PCB 12 3 Green Black Black White ...
Страница 89: ...12 3 Hinge PCB 12 4 ...
Страница 90: ...12 4 SIM PCB 12 5 ...