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9.3-18
UHF2 Schematics, Board Overlays, and Parts Lists
August 16, 2007
6816985H01-B
Figure 9.3-17. PMLE4427A/ PMLE4427B RX Schematic
THIS PART MUST BE REPLACED WITH LP2981AIM%x-5.0 D
RX_BACKEND
RX_FRONTEND
1
K
C
_I
P
S
1
D
_I
S
S
S
C
_
B
A
1
ANA_3V
DAC_2
DAC_3
IF
RX_OSC
RX_RF
XCVR_5V
ABACUS_3V
ANA_3V
ANA_5V
POR
RESET_OUT
SW_B+
VSW1
K
C
_I
S
S
1
PC
PD
PE
SyncB
XCVR_5V
D
_I
P
S
1
1
CLKOUT
DIG_3V
DOUTA
DOUTB
FREF
FS
IF
RX_OSC
Abacus_SYNCB
RX_RF
16.8Mhz_OSC
DAC_2
XCVR_5V
RESET_OUT
SW_B+
VSW1
POR
ABACUS_3V
ABACUS_CS
SPI_CLK
MOSI
Abacus_CLK
Abacus_FSYNC
Data_hi
DAC_3
ANA_3V
S
F
_I
S
S
Summary of Contents for ASTRO MT 1500
Page 4: ...iv Table of Contents August 16 2007 6816985H01 B Notes ...
Page 164: ...August 16 2007 6816985H01 B 5 6 Troubleshooting Procedures Operational Error Codes Notes ...
Page 188: ...August 16 2007 6816985H01 B 6 1 24 VHF Troubleshooting Charts Secure Hardware Failure Notes ...
Page 212: ...August 16 2007 6816985H01 B 6 2 24 UHF1 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 236: ...August 16 2007 6816985H01 B 6 3 24 UHF2 Troubleshooting Charts Secure Hardware Failure Notes ...
Page 710: ...9 2 40 UHF1 Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 806: ...9 5 32 900MHz Schematics Board Overlays and Parts Lists August 16 2007 6816985H01 B Notes ...
Page 816: ...Index 4 August 16 2007 6816985H01 B Notes ...
Page 817: ......