Tektronix 1705A - Manual (Page 202)

C29
.1UF
R119
8.25K
R132
200.0
+40V
C92
430PF
R304
187.0K
+11.8V
1 2
J101
R242
100.0K
P101
+5V
H2
HALF
SPAN
R126
1.00M
R243
1.00M
1
2
J100 P100
/LBAND
+2V
--- 2V
HALF
SPAN
R159
200.0K
R160
511.0K
R158
20.0K
5
6
7
U24B
TL072
W10
0 OHM
<5>
B3
SWP_SPEED
R161
5.23K
R144
82.5K
R143
20.0K
R151
20.0K
C40
.1UF
R142
4.75K CR21
CR24
C49
.1UF
+RAMP
+5V
--- 11.8V
3
2
1
8
4
U24A
TL072
<4>
C4
<5>
<5>
R244
10.0K
10 11
9
U17C
DG444
R97
54.9K
7 6
8
U17B
DG444
+5V
+11.8V
D2
E2
<5>
R95
7.50K
R128
54.9K
15 14
1
6
U20D
DG444
/1MHZ
/10MHZ
+11.8V
FOR THE ORDER OF CALIBRATION.
THE NUMBERS MAY NOT MATCH THE
NOTE: THE NUMBERS BY ADJUSTMENTS ARE
SILKSCREEN ON THE BOARD FOR
THE 70MHz LINEARITY SECTION.
10 11
9
U20C
DG444
R94
2.21K
R241
2.10K
+11.8V
2
3
1
8
4
U18A
TL072
1
5 W7
0 OHM
NORMAL
R73
18.2K
2
R81
10K
9
10
8
U16C
TL074 R121
511.0
CR5
CR15 R51
5K
R33
20.0K
R120
15.0K
R35
10K
R34
100.0K
R107
49.9K
--- 11.8V
<1>
E4
Q8
R232
1K
C90
.01UF
R231
10.0K
VCO
CR16
L BAND LINEARITY
3V
R108
5.62K
VR1
R39
1.00K
R40
150.0
R301
18.7K
--- 11.8V
4
3
W5
0 OHM
CR2
R65
3.01K
R75
5K
R74
3.40K
R50
5.62K
R58
2K
W6
INVERSE
+11.8V
R125
12.7K
R124
6.19K
R122
10.0K
R123
10.0K
+5V
--- 11.8V
--- 11.8V
6
5
7
U18B
TL072
R109
6.19K
R129
4.99K
2 3
1
1
2
1
3
4 5
U20A
DG444
7 6
8
U20B
DG444
15 14
1
6
U17D
DG444
--- 11.8V
+11.8V +5V
FULL
GAIN
HALF
SPAN
5 6
U23C
7406
R113
250
R98
4.99K
R127
806.0
1 2
J3
P3
RAMP GENERATOR
<5>
H2
/LBAND
--- 11.8V
SPARE JUMPER HOLDERS
1 2
J200
1 2
J201
1 2
J202
1 2
J203
<5>
E3
R112
4.75K
W4
0 OHM
1 2
U23A
7406
C20
.1UF
FULL
+5V
--- 11.8V
R110
10.0K
/FULL
MARKER
GENERATOR
6
0V
--- 8V
R70
1.00K
R82
5K
R80
10.0K
R71
2.00K
R92
2.00K
5
6
7
U16B
TL074 R93
10.2K
--- 11.8V
1
R106
237.0K
R66
39.2K
R55
5K
R105
20.0K
CR13
R302
18.7K
R303
20.0K
CR32 --- 11.8V
<1>
D4
R118
8.25K
Q7
R117
511.0
R131
200.0
C30
.1UF
VCO--- 70
+40V
CR19
70 MHz LINEARITY
3V
3
2
1
4
1
1
U16A
TL074 VR2
CR4
C25
.001UF
+11.8V
--- 11.8V
13
12
14
U16D
TL074 R104
511.0
CR14
R76
2.00K
3 2
R32
20.0K R48
10K
R69
24.3K
CR7
R49
10K
R56
20K
9
10
8
U14C
TL074
R86
100.0K
R87
4.75K
CR12
CR8
R88
1.00K
13
12
14
U14D
TL074
R84
1.00K R83
100.0K
R60
7.87K
R64
237.0K R61
20K
6
5
7
U14B
TL074 R62
10.0K
R85
4.75K
R36
5K
R63
10.0K
R96
1.00K
+11.8V
--- 11.8V
MARKER
POSITION
GAIN
MARKER
+/--- 2V
R59
20.0K
2
3
1
4
1
1
U14A
TL074
2 3
1
1
2
1
3
4 5
U17A
DG444 +11.8V
--- 11.8V
+11.8V
+5V
OFFSET
<5>
GAIN
OFFSET
B3
C7
.1UF
R52
54.9K
R38
20K
R53
115.0K
CFT
--- 11.8V
R37
20K
<5>
D2
R42
10.0K
R44
3.01K
RO--- BLANK
+5V
CONTROL
Z--AXIS
CR11
Q4 Q5 R46
2.00K
R41
4.75K ZAXIS
+5V
+5V
R43
2.00K
+5V
+5V
1
2
3
4
5
U13D
CA3046
/MARKER
<4>
A3
W3
0 OHM
CR6 CR3
R45
10.0K
ZAXIS
+5V
+5V
1
1
9
1
0
U13B
CA3046 8
6
7
U13A
CA3046
5
0V
--- 1.6V
4
R31
4.99K
W2
0 OHM
R57
5K
+11.8V
R72
6.81K
R68
1.00K
R67
2.00K
--- 11.8V
--- 11.8V
R47
20.0K
+5V +5V +5V
--- 11.8V
C14
.1UF
C15
.1UF
C77
.1UF
C18
.1UF
+11.8V
+5V +5V +5V +5V
--- 11.8V
C79
.1UF
C10
.1UF
C11
.1UF
C6
.1UF
C4
.1UF
C19
.1UF
R79
20.0K
<5>
B3
R90
3.57K
Q6 R54
20.0K
R78
1.00K
C21
.1UF
R102
4.75K
R103
10.0K
R247
100.0
INTENS
+5V
1
4
12
1
3
U13C
CA3046
INTENS
READOUT
<5>
D2
CR20
3 4
U23B
7406
R89
20K
R91
30.1K
/RO--- EN
--- 11.8V
1705A SPECTRUM MONITOR
--- 11.8V
--- 11.8V
SWEEP GENERATOR <3>
PART OF A3 MAIN BOARD