Motorola ASTRO XTS 5000 - Figure 8-49. NLE4273 F UHF Range 2 Transceiver (RF) Board Overall Circuit Schematic

Schematics, Board Overlays, and Parts Lists: Transceiver (RF) Boards 8-77
6881094C31-E November 16, 2006
Figure 8-49. NLE4273F UHF Range 2 Transceiver
(RF) Board Overall Circuit Schematic
SH202
SHIELD
LV-FracN
1
TP02g
1
V3A
V3B
P1-14
V3B
J1-1
TP8
W12
G6
TP7
P1-19
W18
PE
RXIF
V3A
V3D
V5A
G1
V5A
XB+
CLKOUT
DOUTA
FREF
FS
PC
PD
P1-1
W4
V3B
P1-18
6
EN_CS
1
4
GND
HOLD
7
SI
5
SO
2
VCC
8
3
WP
V3D
EEPROM
X25160
U4
CLK_S
P1-21
P1-27
P1-2
SHIELD
2nd LO VCO
1
P1-26
XB+
SH502
R6
10K
V3A
P1-12
TP6
W14
P1-25
G5
TP11
10K
J2
Antenna
Launch
R7
RAWB+V3B
R8
100
P1-22
W20
P1-3
P1-4
W19
P1-15
TP37
V5A
V3B
W3
CLK
CSX
DATA
F168
LOCK
RXLO_OUT
SCEN
SSI_CLK
SSI_DATA
SSI_FS
TXRF_OUT
V3A
V3B
*SH401*
V5A
TP5
VCO MATCH
SH302
1
SHIELD
PRESEL1
W2
SHIELD
V3B
TP4
W21
V3A
V3B
V3D
V5A
VSW1
XB+
W23
P1-16
BATT
BS
ERR
FB+
RAWB+
SB+
P1-10
J1-2
TP02
1
TP39
ANT
DAC3
RXRF
TX5V
TXRF
V5A
V5A
SH450
SHIELD
Mixer
1
W6
1
P1-13
Abaucs III
1
SHIELD
Power Amp
*SH101*
TP38
SHIELD
SH501
W02
W1
P1-5
TP1
G9
G10
J1-3
VCO BIC & TANK
SH301
SHIELD
1
RX_IN
V5A
V5AV3D
P1-23
W22
D2A2
IF_OUT
LO_IN
P1-8
G12
V3B
TP2
SHIELD
SH201
16.8 MHz Osc
1
W10
P1-17
V5A
V5A
TP3
C28
1000pF
C22
10uF
P1-9
P1-24
P1-20
G7
PAOUT
RAWB+
RSTL
SPCK
TX5V
TXB+
TXINH
USEL
V3B
V5A
10uF
ADCS
DAC2
DAC3MISO
MODRF
MOSI
10uF
C24
SH701
SHIELD
Harmonic Filter
1
C23
W17
P1-7
P1-11
V3A
W11
C16
3pF
W9
XTAL FILTER
*SH451*
1
P1-6
W7
SHIELD
W8
TOOLHOLE
TH1
W5
W15
RAWB+
W13
G2
C15
W16
LNA PRESEL2
SH402
1
0.1uF
BATT
SHIELD
RXFS
RXFS
TXTD
TXTD
TXCK
TXCK
LOCK
LOCK
F168
MOSI
MOSI
MOSI
MOSI
MOSI
USEL
USEL
USEL
TX5V
TXFS
TXFS
SPCK
SPCK
SPCK
SPCK
SPCK
EECS
EECS
ABCS
ABCS
TXINH
TXINH
RSTL
RSTL
RSTL
MISO
MISO
ADCS
ADCS
RXDO
RXDO
RXCK
RXCK
FUB+
FUB+
VSW1
SWB+
BSTAT
BSTAT
BAT_RTN
GND
GND
GND
GND
PLATED_HOLE
RX_FE
A400
TX_ALC
A100
ADC
CKO
M
M + 1
LO
SW_FL
A700
FGU
A200 (+300)
DC
RX_BE
A500
MAEPF-27964-O