Performance Characteristics
Table 6-1 (cont)
Characteristics
Performance Requirements
VERTICAL DEFLECTION SYSTEM—CHANNEL 3 AND CHANNEL 4
Deflection Factors
Values
Accuracy
Frequency Response
- 3 dB Bandwidth
2465B
+
15°C
to +35
C
-15°C to +15°C and
+ 35°Cto +55°C
2455B
-f15°C to +35
-15°C to +15
+
35°C
to +55
2445B
'C
'C and
'C
100 rnV and 500 mV per division.
Within ±10%.
Bandwidth is measured with a leveled, low
distortion,
50-Q source, sine-wave generator,
terminated in 50
Q.
The reference signal
amplitude is set at the lesser of 6 divisions or
the maximum leveled amplitude. Bandwidth with
external termination is checked with a 4 division
reference signal amplitude.
Bandwidth with probe is checked using a BNC-
to-probe-tip (013-0227-00) termination adapter.
Bandwidth with external termination is checked
using a BNC 50-ft feed through terminator
(011-0049-01).
Using standard accessory probe.
Dc to 400 MHz.
a
Dc to 350 MHz.
Dc to 250 MHz.
a
Dc to 200 MHz.
Dc to 150 MHz.
"If instrument is subjected to "greater
than"
85% relative humidity, bandwidth is reduced by
50 MHz. After instrument is subjected to "greater
than"
85% relative humidity, it requires 50
hours of operation at "less
than"
60% relative humidity before full bandwidth is restored.
2465B/2455B/2445B Operators
6-5
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