Rise Time Accuracy - Tektronix 2247A Operator's Manual

Performance Check Procedure
Disconnect the test equipment from the 2247A.
Rise Time Accuracy
Set:
VERTICAL MODE CH 1 (CH 2 off)
CH 1 VOLTS/DIV 0.2Vv
A SEC/DIV 0.2 ps
A SLOPE St
Press the COUNTER/TIMER button. Select FREQ.
Adjust
the sine-wave
generator
for five divisions
of signal.
NOTE
A 1 MHz sinewave has a 10-90% rise time of 295.167 ns; 20-80%
rise time is 204.833 ns.
Move
the sine-wave
generator
to the
EXT COUNTER/TIMER
TIME