Nautel NG1000, Troubleshooting Manual

Page: 136 / 164

Issue 0.4 2010-10-12 SD-8
Figure SD-8: NARF62 VHF Transmitter, 1250 W (Sheet 2 of 2)
+5V
N/C
N/C
N/C
N/C
N/C
N/C
A5
*
*
NOTES:
PART OF
P1
PWB
PART OF
J1
J1
*
A4
*
*
*
*
*
*
*
*
*
*
-
-
-
-
*
B3L1
B2L1
B1L1
*
**L9
**L6
**L7
**L4
**L5
**L2
**L3
D
A4
J1
A3
IPA V
PA 8 V
PA 7 V
PA 6 V
PA 4 V
PA 3 V
PA 2 V
PA 1 V
8
6
4
3
1
F
C
C
*
*
*
*
*
*
*
*
J2
J1
GND
N/C
C1
***
A6
J1 P3
***
C6
A3
A6
*
*
A5
****
RT6
RT7
*
-
B5L1
B4L1
*
**L8
C
A6
PART OF
0.1
C2
0.1
C9
0.1
C11
0.1
C1
0.1
C3
0.1
C5
0.1
C7
J7
P3
P2
PA 5 V
7
5
2
C
C
C
C
C
C
*
*
*
*
*
*
*
*
CONTROL
FROM
EXCITER/
J
CONTROL
STAGE
FROM
B Q
R
38
35
37
5
1
13
17
19
23
27
14
20
W3P2
18
8
4
SPARE
28
23
25
INTERFACE
14
4
6
15
11
9
5
1
10
P2
8
J7
RF DRIVE
PP
HH
UNFILTERED RF
COMBINER
PART OF
L1
QQ
PWB
PART OF
3
B4P1
3
J4
2
B3P1
3
J3
2
0.1
C6
B2P1 J2
0.1
C4
2
C
A
HH
BB
W
T
P
L
F
DD
AA
R
G
+
+
+
+
T
49.9
R1
W
COMBINER
INTERFACE
PART OF
RT3
RT1
D
B5P1
1
J5
B4P1
1
J4
B3P1
1
J3
1
1
11
7
1
3
SAMPLE
21
17
19
18
20
22
24
26
IPA BIAS
PRE AMP V
PA 8 RF DRIVE
PA 7 RF DRIVE
PA 7 BIAS IN
PA 6 RF DRIVE
PA 6 BIAS OUT
PA 5 BIAS IN
PA 5 BIAS OUT
PA 4 RF DRIVE
PA 4 BIAS IN
PA 3 RF DRIVE
PA 3 BIAS OUT
PA 2 RF DRIVE
PA 2 BIAS IN
PA 1 RF DRIVE
PA 1 BIAS OUT
39
30
28
29
9
12
7
10
8
6
4
2
C
PRE-AMP D
PA
E
A15
A
F
B
PA
F
A12
B
PA
E
A10
A
F
B
GND
GND
GND
GND
GND
PA TEMP
FAN TACH 5
FAN TACH 4
FAN TACH 3
FAN TACH 2
FAN TACH 1
L4
50
250W
R5
39pF
C4
50
250W
R8
A5
RF MONITOR
-37.5 dB
RF OUTPUT
SHEET 1
UNFILTERED RF
S2160006 VR
STAGE
EXCITER/
COMBINER/
S
A P
PART OF
33
3
31
15
21
25
24
16
COMBINER
***
C5
***
C3
***
C4
P3
P3
12
16
27
12
13
7
3
2
NN
RR
FF
GG
***
C8
***
C9
INTERFACE
PWB
****
L2 L1
SPLITTER
40W
R2
100
30W
R6
100
40W
R9
100
****
L3
B5P1
2
0.1
C12
2
0.1
C10
J5
0.1
C8
3
B1P1
3
J1
Z
CC
EE
J
M
Q
S
V
X
30W
R8
100
30W
R10
100
K
N
30W
R3
100
30W
R1
100
B5
+
B2
B3
B1
Y
U
PWB
V
t°
10K @ 25C
TT
E
SS
B2P1
B1P1
SPLITTER PWB
J1
J2
L1
10
9
5
6
IPA POWER
2
PART OF
PRE AMP BIAS
PA 6 BIAS IN
PA 8 BIAS IN
PA 7 BIAS OUT
PA 5 RF DRIVE
PA 4 BIAS OUT
PA 1 BIAS IN
PA 3 BIAS IN
PA 2 BIAS OUT
40
34
36
32
22
11
26
P1 W3P2
/IPA
A8
A
B
E
PA
PA
A16
A14
E
A
F
B
E
B
A
PA
A13
E
A
F
B
E
A
PA
PA
A11
A9
E
A
F
B
E
B
A
N/C
GND
39pF
C2
50
250W
R2
R1
50
250W
50
250W
R4
L5
50
250W
R7
LPF/PROBE PWB
PART OF
COMBINER/
TO CONTROL/
JJ
KK
30W
R5
100
H
Y
B
U
B4
t°
10K @ 25C
LL
MM
F
F
50
250W
R3
50
250W
R6
*** DENOTES 1000pF
** DENOTES INDUCTORS L2-L9 IDENTICAL TO L1.
* DENOTES A MICRO-STRIP TRANSMISSION LINE OF
FAN V -
FAN V -
FAN V -
FAN V +
FAN V +
PA BIAS
IPA BIAS
PRE-AMP V
PRE-AMP V
PRE-AMP V
INTERFACE PWB
IPA OUTPUT POWER
IPA V
PA 7 V
PA 6 V
PA 5 V
PA 4 V
PA 3 V
PA 2 V
COMBINER/
PART OF
SPARE
SPARE
FWD PWR SAMPLE
INTAKE TEMP
INTAKE TEMP GND
PA TEMP GND
PRE AMP RF DRIVE
IPA OUTPUT POWER
A
B
SPECIFIC LENGTH AND CHARACTERISTIC IMPEDANCE.
**** DENOTES FORMED BY PADS ON PWB.
FAN V +
PRE-AMP BIAS
LPF/PROBE PWB
RF DRIVE
***
C2
***
C7
PA 8 V
PA 1 V
LPF/PROBE PWB
****
RXE110
RT4
RXE110
RT5
RXE110
RT2
RXE110
30W
R7
100
REFLD PWR SAMPLE
IPA PWR SAMPLE
INTERFACE PWB
C
D
E
F
G
H
50
250W
R9
RXE110
30W
R4
100
IPA POWER SAMPLE