Tektronix 2247A

C4
Es
4
ES
roy
13.
Performance Check Procedure
CHECK—that the top of the waveform Is at least one division below the
center horizontal graticule line.
Set CH 2 POSITION to 12 o'clock.
Move the BNC dual-input coupler from the CH 1 and CH 2 Inputs to the
CH 3 and CH 4 inputs.
Set:
Vertical MODE CH 3 (CH 2 off)
CH 3 and CH 4
VOLTS/DIV 0.1V
CH 3 POSITION Fully cw
CHECK—that the bottom of the waveform is at least one division above
the center graticule line.
Set CH 3 POSITION fully cow.
CHECK—that the top of the waveform is at least one division below the
center graticule line.
Set:
CH 3 POSITION 12 o'clock
Vertical MODE CH 4 (CH 3 off)
Repeat the procedure for CH 4.
Set CH 4 POSITION to 12 o'clock.
Disconnect the test setup from the 2247A.
CH 1 to CH 2 Signal Delay Match
Set:
Vertical MODE CH 1 and CH 2
(CH 4 off)
CH 1 and CH 2
Input COUPLING DC
CH 1 and CH 2
VOLTS/DIV 0.1V
SEC/DIV 20 ns
Trigger SOURCE CH 3
2247A Operators 7-19