Tektronix 422, Instruction Manual

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Performance Check/Calibration—Type 422 AC-DC
38. Check Low-Frequency Reject Opera- Page 5-28
tion
REQUIREMENT: Stable display w ith 0.2-division
display at 50 kilohertz; does not trigger w ith two-division
display at 50 hertz.
PERFORMANCE: C orrect------; incorrect-------
39. Check TriggeringtSlope Operation Page 5-29
REQUIREMENT: Stable triggering on correct slope of
trigger signal.
PERFORMANCE: C orrect___ ; incorrect____
40. Check Triggeringt Level Control Range Page 5-29
REQUIREMENT: A t least + and —10 volts.
PERFORMANCE: C orrect----- ; incorrect--------
41. Check Auto Recovery Time Page 5-29
REQUIREMENT: Stable display w ith 50-millisecond
markers; free-running display w ith 0.1-second markers.
PERFORMANCE: C orrect------; inco rre ct-------
42. Check/Adjust Normal Timing (R512) Page 5-29
REQUIREMENT: Correct tim ing w ithin 0.24 division at
0.5 ms/DIV over middle eight divisions o f the display;
w ithin 0.08 division over any two-division interval w ithin
center eight divisions.
PERFORMANCE: W ith in ___ division over center eight
divisions; w ith in ------- divisions (worst case) over two-
division interval.
43. Check Sweep Length Page 5-30
REQUIREMENT: 10.4 to 12.1 divisions.
PERFORMANCE:-------divisions.
44. Check Magnified Timing Page 5-30
REQUIREMENT: Correct magnified tim ing w ithin 0.4
division at 0.5 ms/DIV over center eight divisions o f display
over total magnified sweep length; w ithin 0.15 division over
any two-division interval w ithin center eight divisions of
total magnified sweep length.
PERFORMANCE: W ith in ----- -division (worst case) over
center eight divisions; w ith in ------division (worst case) over
two-division interval.
45. C h e c k /A d ju s t Normal-Magnified Page 5-31
Registration (R535)
REQUIREMENT: Less than 0.2-division shift o f marker
at center vertical line when X I 0 MAG switch is pushed in.
PERFORMANCE:------- division shift.
46. Check Variable Time/Division Control Page 5-31
Range
REQUIREMENT: Continuously variable between cali­
brated T IM E /D IV switch settings.
PERFORMANCE: C orrect----- ; incorrect------ .
47. Adjust 5 Microsecond Timing (C440A) Page 5-32
REQUIREMENT: Correct tim ing w ithin 0.24 division at
5
ms
/D IV .
PERFORMANCE: W ith in ----- division.
48. Adjust 0.5 Microsecond Timing (C537) Page 5-32
REQUIREMENT: Correct tim ing w ithin 0.24 division at
0.5
m s
/ D I V .
PERFORMANCE: W ith in ------division.
49. Adjust 0.5 Microsecond X10 Magnified Page 5-32
Timing (C511,C527)
REQUIREMENT: Correct magnified tim ing at start and
middle o f total magnified sweep length w ith T IM E /D IV
switch set to 0.5
ms
.
PERFORMANCE: C orrect____; incorrect____
50. Check Normal Sweep Timing Accuracy Page 5-33
REQUIREMENT: Correct timing w ithin 0.24 division
over center eight divisions of display at each T IM E /D IV
switch setting.
PERFORMANCE: C orrect------; incorrect (list excep­
tions) ------------------------------------------------------------------------ .
51. Check Magnified Sweep Timing Accur- Page 5-33
acy
REQUIREMENT: Correct magnified tim ing w ithin 0.4
division over center eight divisions o f total magnified sweep
length at each T IM E /D IV switch setting.
PERFORMANCE: Correct___ ; incorrect (list excep­
tions) ____________________________________________ .
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