8-90
Schematics, Boards Overlays, and Parts Lists
: Transceiver (RF) Boards: 700–800 MHz
Figure 8-58. NUF6750A Frequency Generation Unit (VCO) Circuit – 2 of 2
1
TP853
TEST_POINT
DIG_CTRL_F
ANA_ADAPT_CHARGE_PUMP
RF_HP_MOD_OUT
ANA_CHARGE_PUMP
DC_SUPER_FILTER_5V
DC_LIN_1_5V
DC_LIN_5V
DIG_CTRL_G
DIG_CTRL_TR
IN
IN
IN
IN
IN
IN
IN
IN
R764
C766
R767
C760
C763
C765
C768
C770
C769
C762
R759
.082UF
6800PF
.082UF
.039UF
1.2K
.016UF
.082UF
680
.082UF
.082UF
68
C703
100PF
DNP
R761
R762
C759
C783
2200PF
270
11K
.22UF
IN
DIG_CTRL_VR
DIG_CTRL_78T
DIG_CTRL_D
DIG_CTRL_A
DIG_CTRL_7T8R
DIG_CTRL_8T7R
IN
IN
IN
IN
IN
IN
SEL2
VTUNE
SEL1
NC
GND6
GND3
GND4
GND5
POUT
VCC
GND1
GND2
7
5
3
12
10
9
8
6
2
NC
11
1
4
Y707
C792
C795
100PF
266MHZ/809MHZ
DC_SUPER_FILTER_5V
0.1UF
V0225AZ
SEL2
VTUNE
SEL1
NC
GND6
GND3
GND4
GND5
POUT
VCC
GND1
GND2
NC
7
11
5
3
1
4
12
10
9
8
6
2
Y706
C791
C794
39PF
0.1UF
V0225AZ
758MHZ/868MHZ
DC_SUPER_FILTER_5V
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
NC
7
6
3
1
2
G1
NC
8
5
4
U709
SKY13251
NC
NC
V1
V2
V3
RFC
NC
RF1
RF2
RF3
CGND
7
6
3
1
8
5
4
2
G1
U710
SKY13251
C709
R705
R708
C704
R813
C701
4
3
5
Q712
1
6
2
Q712
3
12
4
Q713
R818
R815
C810
R811
R809
R807
R808
R812
L806
C813
C814
C816
C820
L817
R819
DC_LIN_1_5V
220PF
82
220PF
22K
220PF
39
390NH
10
100
5.6K
BC858CD
1000PF
33PF
82K
62PF
8.2
1PF
680
BC858CD
NE662M04
24
390NH
270
220PF
L701
1
3
2
Q774
C777
C775
R773
R772
NE68519
33PF
33
5.6K
DC_LIN_1_5V
1000PF
390NH
C779
R778
R776
39
100PF
180
TP780
TEST_POINT
RF_PRESCALAR
1
OUT
C771
100PF
L821
DC_LIN_1_5V
390NH
C702
R840
4
3
5
Q703
1
6
2
Q703
R832
R827
R822
R833
R823
C830
56K
20K
100
220PF
15
220PF
15
6.2K
BC858CD
BC858CD
R849
L846
C844
C838
47PF
390NH
1000PF
560
NC
NC
NC
4
1
5
2
3
6
Q714
NTZD3154N
R714
R712
R713
C831
10
560
560
100PF
TL_RX_LO
OUT
3
1
2
4
Q842
NE662M04
C851
R848
15
220PF
R717
R715
R716
R701
C836
0
DNP
DNP
0
0
TL_TX_LO
100
47PF
OUT
Содержание APX 6000
Страница 1: ...APX TWO WAY RADIOS APX 5000 APX 6000 APX 6000XE SRX 2200 Detailed Service Manuals ...
Страница 2: ......
Страница 6: ...iv Document History Notes ...
Страница 20: ...xviii CommercialWarranty Notes ...
Страница 26: ...2 4 Radio Power DC Power Routing VOCON Board Notes ...
Страница 100: ...3 74 Theory of Operation Bluetooth Notes ...
Страница 172: ...5 66 Troubleshooting Charts PA Failure Notes ...
Страница 176: ...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 183: ...Troubleshooting Waveforms Audio SSI 6 11 6 3 4 BCLK Trace 1 Trace recorded at R6107 Figure 6 9 Audio SSI BCLK Waveform ...
Страница 185: ...Troubleshooting Waveforms RX SSI 6 13 6 4 2 DA Trace 1 Trace recorded at R1005 Figure 6 11 RX SSI DA Waveform ...
Страница 186: ...6 14 Troubleshooting Waveforms RX SSI 6 4 3 FSYNC Trace 1 Trace recorded at R1004 Figure 6 12 RX SSI FSync Waveform ...
Страница 188: ...6 16 Troubleshooting Waveforms TX SSI 6 5 2 DA Trace 1 Trace recorded at R1017 Figure 6 14 TX SSI DA Waveform ...
Страница 189: ...Troubleshooting Waveforms TX SSI 6 17 6 5 3 FSYNC Trace 1 Trace recorded at R1007 Figure 6 15 TX SSI FSync Waveform ...
Страница 190: ...6 18 Troubleshooting Waveforms SPI 6 6 SPI 6 6 1 CLK Trace 1 Trace recorded at R1003 Figure 6 16 SPI CLK Waveform ...
Страница 191: ...Troubleshooting Waveforms SPI 6 19 6 6 2 MOSI Trace 1 Trace recorded at Pin 31 of J1001 Figure 6 17 MOSI Waveform ...
Страница 192: ...6 20 Troubleshooting Waveforms SPI 6 6 3 MISO Trace 1 Trace recorded at Pin 29 of J1001 Figure 6 18 MISO Waveform ...
Страница 193: ...Troubleshooting Waveforms SPI 6 21 6 6 4 CS Trace 1 Trace recorded at R1018 Figure 6 19 CS Waveform ...
Страница 195: ...Troubleshooting Waveforms I2C BUS 6 23 6 7 2 SCL 5V Trace 1 Trace recorded at R2204 Figure 6 21 I2C Bus SCA 5V Waveform ...
Страница 196: ...6 24 Troubleshooting Waveforms I2C BUS 6 7 3 SDA Trace 1 Trace recorded at R6209 Figure 6 22 I2C Bus SDA Waveform ...
Страница 200: ...6 28 Troubleshooting Waveforms USB 6 10 USB 6 10 1 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 26 USB D Waveform ...
Страница 201: ...Troubleshooting Waveforms USB 6 29 6 10 2 D Trace 1 Trace recorded at TP F_GCAI_USB Figure 6 27 USB D Waveform ...
Страница 203: ...Troubleshooting Waveforms UART 6 31 6 11 2 TX Trace 1 Trace recorded at TP F_BOOT_TX Figure 6 29 UART TX Waveform ...
Страница 205: ...Troubleshooting Waveforms SDRAM 6 33 6 12 2 CLKX Trace 1 Trace recorded at TP6308 Figure 6 31 SDRAM CLKX Waveform ...
Страница 250: ...6 78 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Страница 276: ...7 26 Troubleshooting Tables List of Board and IC Signals Notes ...
Страница 300: ...8 24 Schematics Boards Overlays and Parts Lists Transceiver RF Boards VHF Notes ...
Страница 336: ...8 60 Schematics Boards Overlays and Parts Lists Transceiver RF Boards UHF1 Notes ...
Страница 378: ...8 102 Schematics Boards Overlays and Parts Lists Transceiver RF Boards 700 800 MHz Notes ...
Страница 432: ...Glossary 10 Glossary Notes ...
Страница 437: ......