Tektronix 2247A

guy
Performance Check Procedure
CHECK —that the readout Is less than + 0.010 V.
Disconnect the function generator signal from the 2247A.
+Peak, -Peak, Peak-to-Peak Volts Accuracy
Set:
Vertical MODE CH 2 (CH 1 off)
CH 2 VOLTS/DIV 10 mV
CH 2 Input COUPLING oc
Press the VOLTMETER button and then press +PEAK on the VOLT-
METER menu.
Set
the
calibration
generator
(PG
506)
Internal
Square
Wave/DC
Switch
for
a
square-wave
output
signal.
NOTE
It
is
necessary
to
remove
the
PG
506
from
the
TM
power
supply
module
to
set
the
internal
Square
Wave/DC
switch
to
square-
wave
output.
Connect
calibration
generator
Std
Ampl
output
to
the
CH
2
Input
via
a
50
2
precision
BNC
coaxial
cable.
Set calibration generator for Std Ampl output of 50 mV.
CHECK—that
the
readout
Is
between
47.0
mV
and
53.0
mV.
Set SCOPE BW on.
CHECK—the
readout
Is
between
47.7
mV
and
52.3
mV.
Set
CH
2
INVERT
on
and
select
-PEAK
from
the
VOLTMETER
menu.
CHECK—the
readout
Is
between
-47.7
mV
and
-52.3
mV.
Set SCOPE BW off.
CHECK—the
readout
Is
between
-47.0
mV
and
-53.0
mV.
2247A
Operators
7-53