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3.
Test 11. Log Scale Switching Uncertainty Test
....
Test 12. Amplitude Fidelity Test
...........
Test 13. Average Noise Level Test
..........
Test 14. Residual Responses Test
...........
Test 15. Spurious Responses Test
..........
Test 16. Residual FM Test
..............
Test 17. Line-Related Sidebands Test
.........
Test 18. Calibrator Amplitude Accuracy Test
.....
Test 19. Fast Sweep Time Accuracy Test
(~20
ms)
. .
Test 20.
1st
LO Output Amplitude Test
........
Test 21. Frequency Reference Error Test
.......
Adjustments
Introduction .....................
Safety Considerations .................
Equipment Required .................
Adjustment Tools ...................
Factory-Selected Components
.............
Related Adjustments .................
Location of Test Points and Adjustments
........
1. Low-Voltage Power Supply Adjustments ......
2. High-Voltage Adjustment (SN
3001A
and Below) . .
2. High-Voltage Adjustment (SN
3004A
and Above) . .
3. Preliminary Display Adjustments (SN
3001A
and
Below) .....................
3. Preliminary Display Adjustments (SN
3004A
and
Above) .....................
4. Final Display Adjustments (SN
3001A
and Below)
.
4. Final Display Adjustments (SN
3004A
and Above)
.
5. Log Amplifier Adjustments ............
6. Video Processor Adjustments ...........
7. 3 MHz Bandwidth Filter Adjustments .......
8. 21.4 MHz Bandwidth Filter Adjustments .....
9. 3 dB Bandwidth Adjustments ..........
10. Step Gain and 18.4 MHz Local Oscillator
Adjustments ..................
11. Down/Up Converter Adjustments ........
12. Time Base Adjustment (SN
2840A
and Below, also
32
17AO5568
and Above)
.............
12. Time Base Adjustment (SN
2848A
to
3217A05567)
13. 20 MHz Reference Adjustments .........
14. 249 MHz Phase Lock Oscillator Adjustments
...
15. 275 MHz Phase Lock Oscillator Adjustment ....
16. Second IF Amplifier and Third Converter
Adjustment ...................
17. Pilot Second IF Amplifier Adjustments ......
18. Frequency Control Adjustments .........
19. Second Converter Adjustments .........
20. 50 MHz Voltage-Tuned Oscillator Adjustments
. .
2 1. Slope Compensation Adjustments ........
22. Comb Generator Adjustments ..........
23. Analog-To-Digital Converter Adjustments .....
24. Track and Hold Adjustments ...........
25. Digital Storage Display Adjustments .......
Low-Noise DC Supply
................
2-82
2-83
2-84
2-85
2-86
2-87
2-88
2-89
2-90
2-91
2-92
3-l
3-2
3-2
3-2
3-3
3-4
3-4
3-25
3-29
3-39
3-45
3-52
3-59
3-61
3-65
3-69
3-72
3-77
3-84
3-87
3-92
3-95
3-99
3-103
3-107
3-110
3-112
3-116
3-119
3-123
3-130
3-133
3-136
3-139
3-142
3-145
3-150
Contents-2