Tektronix 2247A

Performance Check Procedure
CHECK —the readout is between 69.7 mV and 107.0 mV.
Disconnect the leveled sine-wave signal from the 2247A.
Gated Volts Accuracy
Set:
A SEC/DIV 0.5 ms
CH 2 VOLTS/DIV 10 mV
Press
the
VOLTMETER
button
and
then
select
(TO
GATED
MEASMT
MENU)
from
the
VOLTMETER
menu.
Select
GATED
+PEAK
from
the
GATED
MEASMT
menu.
Connect
callbration
generator
(PG
506)
Std
Ampl
output
to
the
CH
2
Input
via
a
50
9
precision
BNC
coaxial
cable.
Set
the
generator
to
Std
Ampl
output,
50
mV.
Set
the
-4
control
for
minimum
intensified
zone
width
(counter-
clockwise
rotation)
.
CHECK-—that
the
width
of
the
dot
Is
less
than
0.2
division.
Set
the
Intensified
dot
to
a
positive
peak
of
the
displayed
waveform,
using
the
K-
OR
DELAY
control.
CHECK—the
readout
Is
between
47.0
mV
and
53.0
mV.
Set
the
Intensified
dot
to
a
negative
peak
of
the
displayed
waveform.
CHECK—the
readout
Is
0.0
mV
£0.5
mv.
Disconnect
the
test
equipment
from
the
2247A.
2247A
Operators
7-55