Tektronix T912 - Page 31

Performance
Check—T912
5. X-AXIS
GAIN
a. Set:
Vertical
Mode
VOLTS/DIV
(CH
1)
SOURCE
X1-X10
INTENSITY
SEC/DIV
X10 (fully
cw)
For
visible display
0.1 ms
b.
Connect test
equipment as
shown in
Fig.
3-3
and set
generator
output
amplitude to
.5 V,
and
frequency to
50 kHz.
b.
Set
generator
frequency to 50
kHz (reference)
and
adjust
output
amplitude for 10
divisions (about 1
volt)
of
horizontal
deflection.
c.
Set
generator
frequency
to 1 MHz.
d.
CHECK—
Display
amplitude is at
least
seven
divisions.
e.
Disconnect
test
equipment.
c.
CHECK—
Horizontal
deflection
between
3.5 and 6.5
divisions (set
horizontal
POSITI ON as
needed to view start
and end
of
display).
f. Set
SOURCE
to
INT; MODE to
NORM.
d.
Disconnect
test
equipment.
6.
X-AXIS
Bandwidth
a.
Connect
sine-wave
generator
through
50 O
cable
and
50 Q
termination to
X (EXT)
input.
NOTE
When
making
trigger
checks, adjust the LEVEL
control,
POSITION
controls,
and
INTENSITY as
needed
for
a
stable
visible
display, unless instructed
otherwise.
OSCILLOSCOPE
SINE-WAVE
GENERATOR
T-CONNECTOR
50
Q
I
TERMINATION
BNC
FEMALE
TO
BNC
FEMALE
ADAPTER
I y
L_h1
50
S'2
CABLES
Fig.
3-3.
X
Gain,
Triggering, and
Z-axis
input
check test setup.
REV, B
JUL
1977