Calibration
Procedure
—465B Service
Performance
Check
8. Check X Gain
a. Set:
TIME/DIV (both) X-Y
VOLTS/DIV (both) 5 mV
CH 1
AC-GND-DC AC
CH 2 AC-GND-DC GND
HORIZ DISPLAY A
A TRIGGER HOLDOPF
NORM
b.
Connect a 20 mV
standard-amplitude signal from
the calibration generator
to
the CH 1 input via a 50
fi
bnc
cable.
c.
CHECK—Display is 4 divisions (±0.16 division)
between the dots.
d. Disconnect test setup.
9. Check X Bandwidth
a.
Connect the leveled sine-wave generator to the
CH 1 input via a 50
fi
bnc
cable
and 50
fi bnctermination.
b.
Adjust the generator for a horizontal display of 10
divisions
at
50
kHz.
c. Without touching the generator
amplitude, adjust
the generator frequency to
4 MHz.
d. CHECK—
Display
is
at least 7 divisions in length.
e. Disconnect test setup.
4-18
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