Tektronix 2246 Operator's Manual page 7

Specification—-2246 Operators
Electrical Characteristics
Characteristics Performance Requirements
VERTICAL DEFLECTION SYSTEM-—CH 1 AND CH 2
2 mV/idiv to § V/div in 1-2-5 sequence.
Accuracy (includes ADD MODE
15 to 36°C Within + 2%.
—10°C to 15°C and 35°C to 55°C
Within +3%,
Variable Range Increases deflection factor by at least 2.5:1.
Frequency Response (—3 dB bandwidth}
— 10°C to 35°C DC to 100 MHz (at the probe tip).
35°C to 55°C DC to 90 MHz (at the probe tip).
AC Coupled Lower —3 dB Point
1X Probe 10 Hz or less.
10X Probe 1 Hz or less.
Step Response (5-division step)
— 10°C to 35°C 3.5 ns or less.
35°C to 55°C
Delay Match (CH 1 to CH 2)
Less than 200 ps difference.
Common Mode Rejection Ratio (CMRR)
At least 10:1 at 50 MHz for signals of eight divisions or less with
VOLTS/DIV VAR adjusted for best CMRR at 50 kHz.
(Attenuation of deselected channel)
2 mV/Div to 0.5 V/Div
10 MHz
50 dB or more. 34 dB or more.
Channel isolation tested with eight-division input signal.
Trace Shift as VAR VOLTS/DIV is Turned
Trace Shift Between VOLTS/DIV Switch Positions
0.2 division or less.
Trace Shift Between GND and DC Input Coupling
—10°C to 35°C
Less than 0.5 mv.
Less than 2 mV.
At least +11 divisions from graticule center.
400 V (de + peak ac); 800 V p-p ac at 10 kHz or less.
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