Panasonic EB-GD93, Техническое руководство

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RF OVERVIEW
Issue 1 Section 3 MCUK001001G8
Revision 0 – 8 – Technical Guide
Figure 3.1: RF Block Diagram
Figure 3.2: GSM 900 Frequency Plan
TCXO
(NDK)
2 2
935 ~ 960 MHz
1,805 ~
1,880 MHz
Dual Rx
SAW BPF
IF SAW
BPF
225 MHz
RF Switch
Tx VCO
890 ~ 915 MHz
1,710 ~ 1,785 MHz
Phase
Detector
I&Q
Mod
Dual PA
PF08103B-02-TB
(Hitachi)
%2
GSM: 270 MHz
DCS: 135 MHz
GSM: 270 MHz
DCS: 134, 135 MHz
GSM: 1,160 ~ 1,185 MHz
DCS: Rx 1,580 ~ 1,655 MHz
Tx 1,575 ~ 1,650 MHz
RF
Synthe
RF VCO
1,160 ~ 1,185 MHz
1,575 ~ 1,655 MHz
DCS: 270 MHz
GSM: 540 MHz
270 MHz
%2
%2
%6
45 MHz
Bright III RF IC
HD155133TFEB
APC
IC
Coupler
w/ LPF
LC BPF
Coupler
w/ LPF
IF VCO
(VJ3)
IF
Synthe
10213-1
935-960 MHz
RF LO
1160-1185 MHz
TX VCO
890-915 MHz
Fcomparison
270 MHz
Fdiff
270 MHz
Rx 1st IF
225 MHz
IF LO
VCO
540 MHz
Rx 2nd IF
45 MHz
÷2
45 MHz
270 MHz
I
Q
I
Q
÷2
÷6
90 MHz
÷2
270 MHz
10214-1