Tektronix 2225, Руководство оператора

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Performance Characteristics
Table 5-1 (cont’d)
Characteristics Performance Requirements
VERTICAL DEFLECTION SYSTEM (confd)
Bandwidth ( - 3 dB)
+5°C to +35°C
50 MHz or more.
0°C to +5°C
35°C to +40°C
40 MHz or more.
X I0 Magnification 5 MHz or more.
AC Coupled Lower Cutoff
Frequency
10 Hz or less at - 3 dB.
CHdP Mode Switching
Bate
500 kHz ±30% .
Input Characteristics
Resistance 1 M fi ±2% .
Capacitance
25 pF ± 2 pF
Maximum Safe Input
Voltage (DC or AC
Coupled)
400 V (dc + peak ac) or 800 V ac
p-p to 10 kHz or less.
Common-Mode Rejection
Ratio (CMRR) At least 10 to 1 at 20 MHz in X I.
At least 10 to 1 at 1 MHz with X I0
vertical magnification.
Trace Shift
With VOLTS/DIV
Switch Rotation
0.75 division or less (Variable
control in CAL detent).
With VOLTS/DIV Vari­
able Control Rotation
1.0
division or less.
With Channel 2
Inverted
1.5 divisions or less.
With X I0 Vertical
Magnification
2 .0
divisions or less.
Channel Isolation Greater than 100 to 1 at 10 MHz.
Trace Separation Range At least ± 3 divisions.
5-2
2225 Operators