Tektronix 2247A

Sy
ES
3
f
Performance Check Procedure
10. X-Axls Gain Accuracy
a. Set:
Horizontal MODE X-Y
Vertical
MODE
CH
2
(CH
1
off)
CH 1 and CH 2
VOLTS/DIV
10
mv
CH 1 Input COUPLING DC
CH 2 Input COUPLING GND
b.
Connect
calibration
generator
Std
Ampl
output
to
the
CH
1
Input
via
a
50 Q precision BNC coaxial cable.
c.
Set
calibration
generator
for
Std
Amp!
output,
50
mV.
d.
CHECK—X-Axls
amplitude
is
between
4.85
and
5.15
horizontal
divisions.
e. Disconnect calibration generator.
11, X-Y Phase Difference
a. Set:
Horizontal MODE A
Vertical
MODE
CH
1
(CH
2
off)
CH 1 Input COUPLING bc
b.
Connect
leveled
sine-wave
generator
output
to
the
CH
1
Input
via
a
50
©
BNC
coaxlal
cable
and
a
50
2
BNC
termination.
c.
Set
leveled
sine-wave
generator
output
for
six
divisions
of
signal
display
amplitude at 50 kHz.
d. Set:
Horizontal
MODE
X-Y
CH 1 Input COUPLING GND
®. Position dot to graticule center.
2247A
Operators
7-45