Tektronix 2245A - Page 7

Time Measurement Cursors .................................................................... 5-3
Time Difference.................................................................................... 5-3
Period Measurement ............................................................................ 5-4
Frequency Measurement .................................................................... 5-5
Rise-Time Measurements .................................................................. 5-6
Phase Measurements .......................................................................... 5-8
Time Delay Measurement ...................................................................... 5-11
Add Mode ................................................................................................ 5-14
SECTION 6—PERFORMANCE CHARACTERISTICS
Introduction................................................................................................ 6-1
Recommended Calibration Schedule....................................................... 6-1
SECTION 7—PERFORMANCE CHECK PROCEDURE
INTRODUCTION........................................................................................ 7-1
Test Equipment Required .......................................................................... 7-1
Performance Check Interval .................................................................... 7-1
Preparation ................................................................................................. 7-1
INDEX TO PERFORMANCE CHECK PROCEDURE ............................... 7-6
DISPLAY .................................................................................................... 7-8
TRACE ROTATION.............................................................................. 7-8
Geometry .............................................................................................. 7-9
VERTICAL................................................................................................. 7-10
Input COUPLING Functional Check.................................................... 7-10
CH 1 and CH 2 VOLTS/DIV Trace Shift ......................................... 7-11
CH 3 and CH 4 VOLTS/DIV Trace Shift ......................................... 7-12
CH 1 and CH 2 VAR VOLTS/DIV Trace Shift .................................. 7-12
CH 1 and CH 2 Input COUPLING Trace S h ift .................................. 7-13
CH 2 INVERT Trace Shift .................................................................. 7-13
CH 1 and CH 2 VAR VOLTS/DIV Range .......................................... 7-13
Low-Frequency Linearity ............................................. 7-14
CH 1 and CH 2 Vertical Deflection Accuracy ................................. 7-15
CH 3 and CH 4 Vertical Deflection Accuracy ................................. 7-16
ADD Mode and CH 2 INVERT Deflection Accuracy......................... 7-17
Vertical POSITION Range (all channels) ........................................ 7-18
CH 1 to CH 2 Signal Delay Match.................................................... 7-19
CH 1 to CH 4 Signal Delay M atch.................................................... 7-19
CH 3 to CH 4 Signal Delay M atch.................................................... 7-20
Ch 1 and CH 2 Vertical Bandwidth ................................................. 7-21
CH 3 and CH 4 Vertical Bandwidth................................................... 7-22
2245A Operators Hi