Tektronix 442, Instruction Manual

Page: 13 / 170

Specification—442 Service
Table 1-1 (cont)
Characteristics
Performance Requirements Supplemental Information
Z-AXIS INPUT (cont)
Usable Frequency Range Dc to 5 MHz.
Maximum Input Voltage
30 V (dc + peak ac). 30 V p-p
ac at 1 kHz or less.
Input Impedance
Approximately 10 kQ.
DISPLAY
Display Area
8 X1 0 cm.
Trace Rotation Range
Adequate to align trace with
center horizontal graticule line.
Standard crt Phosphor
P31.
Nominal Anode Voltage Approximately +10 kV.
POWER SOURCE
Line Voltage Ranges, ac
120 V/240 V & HI/LO switches
are accessible externally.
120 V Range
HI—110 to 132 V rms.
LO—92 to 110 V rms.
240 V Range HI—220 to 250 V rms.
LO—202 to 242 V rms.
Line Frequency
48 to 62 Hz.
Power Consumption
36 watts (max); 0.35 amps (max)
at 120 V, 60 Hz.
Table 1-2
ENVIRONMENTAL CHARACTERISTICS
Characteristics
Description
Temperature
Operating
-15°C to +55°C.
Non-operating -55° C t o +75° C.
Altitude
Operating
To 15,000 feet. Maximum operating temperature decreased 1°C/1000 feet
above 5000 feet.
Non-operating
To 50,000 feet.
1-4 REV A MAY 1980