
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: UHF1/700–800 MHz
8-47
Figure 8-26. MNUS4000A//C/E UHF1 Receiver Front End Circuit
100PF
C2025
R2010
1K
INPORT
ANA_RX_FE_TUNE
INPORT
TL_RX_UHF1_FE_IN
IN
IN
CTRL_RX_UHF1_LNA_A = 3V (HIGH), LNA'S TURN ON
DIG_CTRL_RXU
INPORT
INPORT
DC_LIN_1_8V_A
IN
IN
R2007
10K
VR2006
18NH
L2010
18NH
R2006
C2026
2
1
L2009
2
1
VR2005
1SV305
1SV305
0.1UF
10K
5.6NH
C2038
1.8PF
C2041
C2058
L2016
2
1
VR2010
L2015
C2053
C2052
C2039
L2008
C2035
C2029
C2028
22PF
7.5PF
15NH
2.7PF
0.1UF
1SV305
22PF
91NH
3.3PF
3.3PF
7.5PF
DC_RX_UHF1_LNA_C_13A
BC858CD
Q2022
Q2020
22K
22K
R2023
6
2
R2021
2
3
1
10K
75K
MUN5212T
Q2022
R2024
4
3
5
1
2
1
E2021
R2022
120K
33
BC858CD
100PF
R2025
R2011
C2024
C2023
INPORT
ANA_RX_FE_TUNE
1K
4.7UF
2.7
IN
L2035
C2037
C2036
C2044
C2033
R2035
L2036
23
1
U2032
C2032
L2034
C2022
C2020
2.4PF
1.6NH
68PF
1.5PF
100PF
4.7UF
100PF
22NH
BFR380F
1.2K
56NH
9.1PF
C2063
R2009
2
1
VR2008
C2064
10K
RF_RX_UHF1_FE_OUT
7.5PF
1SV305
OUTPORT
22PF
OUT
L2013
L2014
18NH
18NH
L2012
5.6NH
VR2020
1SV305
L2019
C2042
2
1
L2017
C2061
C2060
C2059
82NH
3.3PF
15NH
3.3PF
2.2PF
2.7PF
7.5PF
C2056
22PF
C2057
2
1
VR2007
1SV305
R2008
C2055
C2054
10K
0.1UF
100PF
Содержание ASTRO APX 7000
Страница 1: ......
Страница 4: ...iv Document History Notes ...
Страница 24: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Страница 98: ...3 74 Theory of Operation Global Positioning System GPS ...
Страница 104: ...4 6 Troubleshooting Procedures Power Up Self Check Diagnostics and Repair Not for Field Use Notes ...
Страница 163: ...Troubleshooting Charts PA Failure 5 59 ...
Страница 164: ...5 60 Troubleshooting Charts PA Failure ...
Страница 168: ...6 4 Troubleshooting Waveforms Clocks 6 2 2 4 MHz Clock Trace 1 Trace recorded at R6113 Figure 6 2 4 MHz Clock Waveform ...
Страница 174: ...6 10 Troubleshooting Waveforms Audio SSI 6 3 3 Sync Trace 1 Trace recorded at R3005 Figure 6 8 Audio SSI Sync Waveform ...
Страница 175: ...Troubleshooting Waveforms Audio SSI 6 11 6 3 4 BCLK Trace 1 Trace recorded at R3006 Figure 6 9 Audio SSI BCLK Waveform ...
Страница 177: ...Troubleshooting Waveforms RX SSI 6 13 6 4 2 DA Trace 1 Trace recorded at R1005 Figure 6 11 RX SSI DA Waveform ...
Страница 178: ...6 14 Troubleshooting Waveforms RX SSI 6 4 3 FSync Trace 1 Trace recorded at R1004 Figure 6 12 RX SSI FSync Waveform ...
Страница 180: ...6 16 Troubleshooting Waveforms TX SSI 6 5 2 DA Trace 1 Trace recorded at R1017 Figure 6 14 TX SSI DA Waveform ...
Страница 181: ...Troubleshooting Waveforms TX SSI 6 17 6 5 3 FSync Trace 1 Trace recorded at R1007 Figure 6 15 TX SSI FSync Waveform ...
Страница 182: ...6 18 Troubleshooting Waveforms SPI 6 6 SPI 6 6 1 CLK Trace 1 Trace recorded at R6605 Figure 6 16 SPI CLK Waveform ...
Страница 183: ...Troubleshooting Waveforms SPI 6 19 6 6 2 CLK INV Trace 1 Trace recorded at R2325 Figure 6 17 SPI CLK INV Waveform ...
Страница 184: ...6 20 Troubleshooting Waveforms SPI 6 6 3 CS Trace 1 Trace recorded at Pin 34 of J2301 Figure 6 18 SPI CS Waveform ...
Страница 185: ...Troubleshooting Waveforms SPI 6 21 6 6 4 MOSI Trace 1 Trace recorded at R6603 Figure 6 19 SPI MOSI Waveform ...
Страница 187: ...Troubleshooting Waveforms I2C BUS 6 23 6 7 2 SCL 5V Trace 1 Trace recorded at R6204 Figure 6 21 I2C Bus SCA 5V Waveform ...
Страница 188: ...6 24 Troubleshooting Waveforms I2C BUS 6 7 3 SDA Trace 1 Trace recorded at R6209 Figure 6 22 I2C Bus SDA Waveform ...
Страница 194: ...6 30 Troubleshooting Waveforms USB 6 10 2 D Trace 1 Trace recorded at Pin 35 of J3001 Figure 6 28 USB D Waveform ...
Страница 196: ...6 32 Troubleshooting Waveforms UART 6 11 2 TX Trace 1 Trace recorded at F_Boot_Tx Figure 6 30 UART TX Waveform ...
Страница 198: ...6 34 Troubleshooting Waveforms SDRAM 6 12 2 CLKX Trace 1 Trace recorded at TP6308 Figure 6 32 SDRAM CLKX Waveform ...
Страница 276: ...7 58 Troubleshooting Tables List of Board and IC Signals Notes ...
Страница 318: ...8 42 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF 700 800 Notes ...
Страница 380: ...8 104 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 700 800 MHz Notes ...
Страница 432: ...8 156 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 VHF Notes ...
Страница 458: ...8 182 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 UHF2 Notes ...
Страница 498: ...8 222 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 700 800 MHz Notes ...
Страница 546: ...8 270 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF2 VHF Notes ...
Страница 606: ...8 330 Schematics Boards Overlays and Parts Lists VOCON Boards Notes ...
Страница 638: ...Glossary 10 Glossary Notes ...
Страница 643: ......