资料介绍
songxia-X60-diagram10.2. Block Diagram of RF Band
U101 Transceiver IC PMB6256V V1.1 FL201 Rx SAW Filter DCS B7821
I/IB
DCS1800 1805 - 1880 MHz
π/2 1/2
DC offset Compensation
Q/QB
FL202 Rx SAW Filter EGSM B7820
PLLON
EGSM900 925 - 960 MHz
π/2 1/4
AM_TRIG
VC2
3420 - 3980 MHz
VC1 RF Synth
U101 Antenna Switch module LMSP54AA-17
U301 TCXO module MAA****A
26 MHz 13M_BB
DCS1800 1710 - 1785 MHz
EGSM900 880 - 915 MHz
FL102 Tx SAW EGSM EFCH897MMTE7
U102 Tx Limitter IC PMB2256V V1.1
AFC
U103 PA Module RF3140
+
π/2 1/4
RT101 NCP15WD683J03RC
TEMP
+
π/2 1/2
CLK/DA/EN TXON PALEVEL BAND_SEL TXON_PA