Tektronix 7B92A Instruction Manual page 4

REV APR 1984
L.I ~°
Figure No. Page
Frontispiece 7B92A Dual Time Base
1-1 Location of Variable and Mainframe Selector multi-pin connectors . . . . . . . 1-1
1-2 Location of release latch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
1-3 Front-panel controls and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
1-4 Effect of MAIN TRIGGERING LEVEL and SLOPE controls on crt display. . . 1-11
1-5 Area of graticule used for most accurate time measurements . . . . . . . . . . . 1-12
1-6 Typical alternate sweep display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13
2-1 Dimensional drawing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
4-1 Lubrication procedure for a typical cam switch . . . . . . . . . . . . . . . . . . . . . 4-2
4-2
Semiconductor lead configurations. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
4-3 Inter-board multi-pin connector assembly . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4-4 End-lead multi-pin connector assembly . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
4-5 Location of pin numbers of Interface connector. . . . . . . . . . . . . . . . . . . . 4-5
5-1 Main Triggering level range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-2 Delayed Triggering level range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
5-3 Variable Time/Division range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-13
5-4 Fast delay time accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14
5-4A
AC HF REJ Balance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
5-5 DC balance. (Circle denotes correct trigger point.) . . . . . . . . . . . . . . . . . . 5-19
5-6 Trigger Sensitivity . (Circle denotes correct trigger point.) . . . . . . . . . . . . . 5-19
5-7 Main Triggering level range. (Circle denotes triggering limits .) . . . . . . . . . 5-19
5-8 Delayed Triggering level range. (Circle denotes triggering limits.) . . . . . . . 5-21
5-9 DC balance. (Circle denotes correct trigger point.) . . . . . . . . . . . . . . . . . . 5-26
5-10
Trigger sensitivity . (Circle denotes correct trigger point.) . . . . . . . . . . . . . 5-26
5-11
Main Triggering level range. (Circle denotes triggering limits .) . . . . . . . . . 5-27
5-12 Delayed Triggering level range. (Circle denotes triggering limits.) . . . . . . . 5-29
5-13 Correct DTM Scale and Delay Start adjustment (circle) . . . . . . . . . . . . . . . 5-34
5-14 Variable Time/Division range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-38
5-15 Fast delay time accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-39