Tektronix 2247A

Performance
Check
Procedure
OPTION 15
Equipment Required (See Table 7-1)
Calibration
generator
Two
50
2
BNC
coaxial
cables
Test
oscilloscope
50
2
precision
BNC
coaxial
cable
Leveled
sine-wave
generator
Two
50
2
BNC
termination
1, Signal Output
a. Set:
VERTICAL MODE
CH
1
and
CH
2
On
(light
on)
CH
3
and
CH
4
Off
(light
off)
BW
LIMIT
Off
(light
off)
VOLTS/DIV
CH
1
and
CH
2
2mvVv
Input
Coupling
CH
1
and
CH
2
GND
A
and
B
SEC/DIV
1ms
TRIGGER
MODE
AUTO
LEVEL
SOURCE
VERT
COUPLING
NOISE
REJ
b.
Push
the
CH
2
VERTICAL
MODE
button
so
that
light
is
off.
Connect
the
CH
2
signal
from
the
rear-panel
CH
2
SIGNAL
OUT
con-
nector
to
the
CH
1
OR
X
Input
connector
via
a
50
2
BNC
cable.
d.
Align
the
CH
1
trace
to
the
center
graticule
line.
e.
Set
CH
1
Input
Coupling
to
OC.
CHECK—Display
amplitude
to
4.5
to
5.5
divisions
(neglect
trace
width).
9.
Connect
a
1
kHz,
10
mV
standard-amplitude
signal
from
the
Cali-
bration
Generator
to
the
CH
2
Input
Connector
via
a
50
2
BNC
cable.
h. Set CH 2 Input Coupling to DC.
7-64
2247A
Operators
:
EC
3
ECS