Tektronix 2247A

Performance
Check
Procedure
Set:
CH
1
VOLTS/DIV
10
mv
CH
1
VAR
VOLTS/DIV
Fully
cow
Connect
callbration
generator
(PG
506)
Std
Ampl
output
to
the
CH
1
Input
via
50
1
precision
BNC
coaxial
cable.
Set
generator
Std
Ampl
output
to
50
mV.
CHECK—the
signal
amplitude
is
two
divisions
or
less.
Set:
CH
1
VAR
VOLTS/DIV
Detent
(calibrated)
Vertical
MODE
CH
2
(CH
1
off)
CH
2
VOLTS/DIV
10
mV
Position
CH
2
trace
to
the
center
horizontal
graticule
line.
Move
the
test
signal
to
the
CH
2
Input.
Set
CH
2
VAR
VOLTS/DIV
fully
cow.
Repeat
the
CHECK
procedure
for
CH
2.
Set
CH
2
VAR
VOLTS/DIV
to
detent
(calibrated)
position,
Low-Frequency
Linearlty
Check
Set:
Vertical
MODE
CH
1
(CH
2
off)
CH
1
VOLTS/DIV
10
mV
SCOPE
BW
On
Set
calibration
generator
to
Std
Ampl
output,
20
mV.
Move
the
test
signal
to
the
CH
1
Input.
Position
the
top
of
the
signal
to
the
top
graticule
line.
CHECK—the
signal
amplitude
Is
between
1.9
and
2.1
divisions.
2247A Operators