A
B
C
D
E
F
G
H
I
J
K
L
M
N
1
2
3
4
5
6
7
8
9
10
11
G
PR
S
T
ri
B
an
d
T
28
0
(P
an
th
er
2)
8
48
85
16
k0
1_
P1
3.
5
A10
EXT_TEST CONN
J100
PA_B+
PAC_275
PAC_275
N_GSM_EXC_EN
U550
PA_B+
GSM_EXC_EN
U500
PA_B+
U10
RF_V2
FL100
FL101
1805-1880MHz
U100
FL103
925-960MHz
1930-1990MHz
FL102
RF_V2
PA_B+
Q450
Q451
B+
DM_CS
SF_OUT
N_GSM_EXC_EN
U1905
Q530
CR545
GSM_EXC_EN
Q410
N_GSM_EXC_EN
VCTRL
U350
N_TXVCO
U300
1342MHz; 1442MHz; 1560MHz
SF
_O
U
T
N
_R
V
C
O
N_GSM_SEL
DCS_SEL
RF_V2
RF_V2
N_DCS_SEL
RVCO
RX_EN N_GSM_SEL
RF_V2
RF_V2
FL104
400MHz
Q151
PRE_IN
SW_VCC
CR200
5V
RF_V2
N_DCS_SEL
N_GSM_SEL
RF_V2
CPRX
CP_TX
SAT_DET
DET_SW
TX_KEY_OUT
AOC_DRIVE
Y200
26MHz
5V
V1_FILT
Vref
RF_V2
SF_OUT
U201
BCLKX
TX_KEY
MAGIC_SPI_CS
RF_MOSI
BDX
5V
R
X
_A
C
Q
RF_V1
R
F_
V
2
BFSR
BDR
BCLKR
Q200
GP04
GP05
RF_V2
RVCO
RVCO
N_TXVCO
PAC_275
RF_V2
EXC_EN
N_RVCO
N_GSM_SEL
Q351
U402
Q202
Q202
Q202
RF_V2
N_DCS_SEL
PAC_275
DCS_SEL
N_TX_EN
RF_V2
DCS_SEL
DCS_SW
RX_EN
N_DCS_SEL
RX_EN
RF_V2
N_DCS_SW
RF_V2
N_EXC_EN
GSM_EXC_EN
EXC_EN
EXC_EN
N_GSM_SEL
Q203
U110
GSM_EXC_SW
5V
N_GSM_EXC_EN
N_GSM_EXC_SW
5V
U110
U120
Q204
U120
CR201
RF_V1
MAGIC_13MHz
CLK_SELECT
DM_CS
RF_SPI_CLK
RF_V1
RF_V2
Q201
B+
U400
N_GSM_EXC_SW
GSM_EXC_SW
DCS_SW
N_DCS_SW
TX1
TX2
RX1
RX2
N_GSM_SEL
N_DCS_SEL
N_GSM_EXC_EN
GSM_EXC_EN
GSM DCS PCS
0
1
VCO
BAND
BUFFER
ENABLE
0
0
0
0
1
1
1
1
1
1
TRANSMITTER
ANTENNA SWITCH
RECEIVER FRONT END
RX SIGNAL PATH
TX SIGNAL PATH
MAIN VCO SIGNAL PATH
TUNING VOLTAGES
13 MHz REFERENCE CLOCK
TEXT
REFERENCE SIGNALS
DATA BUS
ADDRESS BUS
13MHz Osc.
RX Local Osc.
TP202
TP201
Frontend IC
TX VCO
RX VCO
GSM IPA
DCS/PCS IPA
PAC IC
MAGIC DM
P280 - RF SCHEMATICS
Summary of Contents for TIMEPORT 280
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Page 50: ...46 May 14 2001 6881038B15 Part Number Charts P280 ...
Page 57: ...P280 BOARD LAYOUT PAGE 1 2 ...
Page 58: ...P280 BOARD LAYOUT PAGE 2 2 ...
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