Philips PM3320 Operating Manual page 153

6.3.2
6.3.3
6.3.4
6.3.5
6.3.6
CHARACTERISTIG
Input impedance
(in high Z
position)
-R parallel
-C parailel
-Maximum input
capacitance
difference
Input impedance
{in 50 ohm position)
-R parallel
-VSWR (typical)
Input coupling
Max. input
voltage
-In high Z position
(d.c. + a.c. peak)
-In 50 ohm position
dc.
ac. (r.m.s.}
a.c. (peak)
Deflection
coefficient
-Steps
-Vernier ratio
Read out accuracy
—Error timit
(Ambient:15..35°C)
overall
up to memory
additional error
SPECIFICATION
1M Ohm ti %
14 pF
1,5 pF
50 Ohm + 1 %
124
ac. dc. 0
300 V
Sen
<<
5 mV/div..5 V/div
1:2,5
£15 %
z1%
15 % cs
ADDITIONAL INFORMATION
For frequency > 1 MHz see
Fig. 6.1.
}In DC position of input
}Jcoupling. In AC position
jof input coupling. 18 nF
}in series with R par. &
}C par.
}In O position of input
}coupling: R par. =
Capacitance difference
between channel A, channel
B and/or trigger input.
In DC, AC and 0 position
of input coupling.
@ 200 MHz; in AC and DC
pos. of input coupling.
In 0 position: channel
input disconnected from
BNC and connected to
ground.
Instrument should be pro-
perly grounded through the
protective-ground conduc-
tor of the power cord.
Up to 1 MHz; for freq. >
1 MHz see Fig. 6.2.
Max. 50 mJ during any
100 ms interval.
In a 1-2-5 sequence of 10
steps.
Continuously variable
between steps.
Add 3 % for ambient:
0...50°C.
}
Vernier. in 0 position.
}
Vernier not in 0 position.