Tektronix 2247A

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Performance Characteristics
Table 6-1 (cont)
Electrical Characteristics
CHARACTERISTICS
PERFORMANCE REQUIREMENTS
VERTICAL
DEFLECTION
SYSTEM
—
ALL
CHANNELS
Bandwidth Limit 20 MHz +15%.
(-3 dB bandwidth)
Low-Frequency Linearity Within +5%.
(relative to
center screen)
Linearity Is measured by positioning a two-
division test signal anywhere on screen and
noting the amplitude change.
Position Range
At least £11 divisions from graticule
center.
TRACE SEP Control
Position Range
At least £4 divisions.
CHOP Mode Clock Rate
625 kHz 10%.
Delay Match (CH 1 or CH 2
to CH 3 or CH 4)
Less than 200 ps difference.
HORIZONTAL DEFLECTION SYSTEM
Sweep Range
A Sweep 0.5 s/div to 20 ns/div In a 1-2-5 sequence
X10 magnifier extends maximum sweep speed
to 2 ns/div.
B Sweep 5.0 ms/div to 20 ns/div In a 1-2-5 sequence.*
X10 magnifler extends maximum sweep speed
to 2 ns/div.
Accuracy Unmagnifled Magnifled
15°C
to
35°C
2%
+3%
-10°C to 15°C +3%4 £4%%
and 35°C to §5°C
* Performance Requirement not
2247A Operators
Sweep Accuracy applies over the center eight
divisions. Excludes the first 1/4 division or
25 ns from the start of the magnified sweep
and anything beyond the 100th magnified
division.
checked in manual.
6-5