Tektronix 2247A

Performance Check Procedure
12. Vertical POSITION Range (all channels)
a. Set:
A SEC/DIV 0.1 ms
Vertical
MODE
CH
1
(ADD
off)
CH 1 VOLTS/DIV 1Vv
CH 2 INVERT Off
SCOPE BW Off
CH 1 and CH 2 Input
COUPLING AC
b.
Connect
leveled
sine-wave
generator
(SG
503)
output
to
the
CH
1
and
CH
2
Inputs
via
a
50
1
BNC
coaxial
cable,
a
50
9
BNC
termination,
and a BNC dual-input coupler.
c. Position trace to center horizontal graticule line.
d.
Set
leveled
sine-wave
generator
output
for
two-division
signal
at
50
kHz.
e. Set:
CH 1 VOLTS/DIV O.1V
CH
1
POSITION
Fully
cw
f.
_CHECK—that
the
bottom
of
the
waveform
Is
at
least
one
division
above
the
center
horizontal
graticule
line.
g. Set CH 1 POSITION fully cow.
h.
CHECK
—that
the
top
of
the
waveform
Is
at
least
one
division
below
the
center
horizontal
graticule
line.
I. Set:
CH
1
POSITION
12
o'clock
Vertical
MODE
CH
2
(CH
1
off)
CH
2
POSITION
Fully
cw
].
|
CHECK—that
the
bottom
of
the
waveform
is
at
least
one
division
above
the
center
horizontal
graticule
line.
k. Set CH 2 POSITION fully cow.
7-18
2247A
Operators
Boa
3