Tektronix 2247A

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Performance Check Procedure
CHECK—that a stable display is obtained.
Set:
CH 2 INVERT
Trigger SLOPE
On
~~ (positive-
going)
CHECK—that a stable display Is obtained.
Set:
CH 2 INVERT
Trigger SLOPE
TV Line Trigger Sensitivity
Set:
A SEC/DIV
Horizontal MODE
B SEC/DIV
A/B SELECT
B Trigger MODE
Off
“L (negative-
going)
2ms
B
20 ps
B
TV LINE
CHECK—that a stable display Is obtained for varlous portions of the TV
fleld as the K- OR DELAY control Is rotated.
Set CH 2 VAR VOLTS/DIV to the detent position (calibrated).
Disconnect the TV signal generator from the 2247A.
Line Trigger Functional Check
Set:
CH 2 VOLTS/DIV
CH 2 Input COUPLING
Horizontal MODE
A SEC/DIV
Trigger MODE
Trigger SOURCE
Trigger CPLG
2247A Operators
0.1 V (without a
10X probe
attached)
Dc
A
5 ms
AUTO LEVEL
LINE
DC
7-35