Tektronix 2247A

Performance Check Procedure
Set:
A Trigger CPLG bc
Horlzontal MODE B
A/B SELECT B Trigger
Repeat 100 MHz NOISE REJ Trigger CPLG procedure for the
B Trigger.
Single Sweep Mode
Set:
Horizontal MODE A
A SEC/DIV 10 ps
A/B SELECT A Trigger
Remove the 10X BNC attenuator from the test signal path.
Set
leveled
sine-wave
generator
output
to
produce
a
7.0
division
dis-
play
amplitude
at
50
kHz.
Add
a
10X
and
a
2X
BNC
attenuator
before
the
50
0
BNC
termination.
(Display
should
stably
trigger
with
AUTO
LEVEL
finding
the
correct
trigger
level
setting.)
Set:
A Trigger MODE NORM
CH 1 Input COUPLING GND
Trigger MODE SGL SEQ
CHECK—that
the
Trigger
READY
LED
turns
on
and
remains
on.
Set:
A INTEN 3/4 fully CW
CH 1 Input COUPLING DC (see
CHECK below)
CHECK—that
the
TRIG'D
LED
flashes,
and
the
READY
LED
turns
off
after
a
single
sweep
and
readout
display
occurs
when
the
Input
COUPLING
switches
to
DC.
2247A
Operators
7-33