Tektronix 2247A

Performance Characteristics
Table 6-1 (cont)
Electrical Characteristics
CHARACTERISTICS
Deflection Factors
PERFORMANCE REQUIREMENTS
X-Y OPERATION
Same
as
Vertical
deflection
system
with
the
VOLTS/DIV
variable
controls
in
calibrated
detent
position.
Accuracy
X Axis
15°C to 35°C Within + 3%.
-10°C to 15°C Within 4% 4
and 35°C to 55°C
Horlzontal (X-Axis)
-3 dB Bandwidth
Phase Match (DC Coupled)
EXT!
Active Region Lower
Threshold (Intensity ~
decreases above this
voltage)
Signal Required to Modu-
late an A or B Trace
Maximum
Input
Voltage
A
Input Loading
3 MHz or more.
+3 degrees from dc to 50 kHz.
ERNAL Z-AXIS INPUT
+1.8 volts or less.
+3.8
volts
or
less
provides
noticeable
modu-
lation
of
a
normal
intensity
trace.
Usable
frequency
range
Is
de
to 10
MHz.
External
Z-Axis
signal
does
not
affect
the
readout
or
the
intensifled
zone
Intensity.
30
V
(de
+
peak
ac);
30
V
p-p
ac
at
1
kHz
or
less,2
Represents
less
than
one
LSTTL
load.
*
Performance
Requirement
not
checked
in
manual.
6-24
2247A Operators
WRN
EI Ea
E