Performance Characteristics
Table 6-1 (cont)
Characteristics
-4.7 dB Bandwidth
2465B
+ 15°C to +35°C
-15°Cto +15°C
and +35°Cto +55°C
2455B
+ 15°Cto +35°C
-15°Cto +15°C
and +35°C to + 55°C
2445B
Step Response Rise Time
2465B
2455B
2445B
Channel Isolation
Signal Delay Between Channel 1
and Either Channel 3 or Channel 4
Input Resistance
Input Capacitance
Maximum Input Voltage /\
Performance Requirements
Using 50-fi external termination.
Dc to 400 MHz.
a
Dc to 350 MHz.
Dc to 250 MHz.
a
Dc to 200 MHz.
Dc to 150 MHz.
Calculated from T
r
=0.35/BW.
s£.875 ns.
«1.4 ns.
^2.33 ns.
>50:1 attenuation of deselected channel at
100 MHz with an 8-division input signal.
Within ± 1.0 ns, measured at the 50% points.
1 Mtt ±1%.
15 pF ±3pF.
400 V (dc + peak ac).
800 V p-p ac at 10 kHz or less.
VERTICAL DEFLECTION SYSTEM—ALL CHANNELS
Low-frequency Linearity
Bandwidth Limiter
0.1 division or less compression or expansion of
a two-division, center-screen signal when
positioned anywhere within the graticule area.
Reduces upper 3 dB bandpass to a limit of
13 MHz to 24 MHz.
a
lf 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
more than 50 hours of operation at "less
than"
60% relative humidity before full bandwidth is
restored.
6-6
2465B/2455B/2445B Operators
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