Tektronix 2221 - Page 24

General
Intormation
-
2221
Operators
Table
1-2
(
cont
)
Characteristics Performance
Requirements
C
PROBE ADJUST
บ
Output
Voltage on
PROBE
ADJUST Jack
0.5 V + 5 % .
Repetition
Rate
1
kHz + 20 % .a
Z - AXIS
Sensitivity ( NON STORE Only )
5 V causes noticeable modulation . Positive - going input decreases
intensity .
Useable frequency range is dc to 20 MHz .
U U
Maximum
Safe
Input
Voltage
A
30 V ( dc + peak ac ) or 30 V p - p ac at 1 kHz or less.a
Input Resistance
>
10
k2.a
POWER SUPPLY
u
Line
Voltage
Range
90 Vac to 250 Vac , a
Line
Frequency
48 Hz to
440
Hz.a
Maximum
Power
Consumption
85
watts
(
150
VA
) .
Line Fuse
2 A , 250 V , slow
blow.a
Primary
Circuit
Dielectric
Requirement
Routine test to 1500 V rms , 60 Hz , for 10 seconds without
breakdown.a
CRT DISPLAY
uu
Display
Area
8 x 10 cm.a
Standard
Phosphor
P31.a
Nominal
Accelerating
Voltage
14 kV.a
X - Y PLOTTER OUTPUT
Maximum
Safe
Applied
Voltage
,
Any
Connector Pin
A
25 V ( dc + peak ac ) or 25 V p - p ac at 1 kHz or less.a
X
and Y
Plotter
Outputs
Pen
Lift /
Down
Fused relay
contacts , 100 mA
maximum.a
Output
Voltage
Levels
500 mV per division , £ 10 % . Center screen is V +0.2 divisions .
Series
Resistance
2 ks + 10 % , a
4.2
V
Output
4.2 V + 10
%
through 2 kg.a
aperformance
Requirement not
checked in
manual
.
บ
C
1-12