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8
Technical data
I I
Properties expressed in numerical values for which a tolerance has been
stated are guaranteed at nominal mains voltages on the voltage adapter.
Numerical values without tolerances indicate the properties of the average
instrument and are only given for the information of the user.
Cathode-ray tube circuit
Tube
a. type
b. effective screen area
c. total accelerating voltage
Graticule
V amplifier
Type
Deflection sensitivity
Frequency response
Overshoot
Sweep expansion
Input
a. input sockets
b. input resistance
c. input capacitance
d. maximum permissible input
voltage at d.c. input
DH7-78 flat screen (other screen types can be
supplied)
6 x 5 cm (width X height)
1750V
10 X 8div. (1 div. = 5.5 mm)
d.c. amplifier
adjustable to 8 calibrated values: 0.01-0.03-
0.1-0.3-1-3-10-30 V/div.
Tolerance: ± 3 %
Between the steps, the sensitivity can be continu-
ously adjusted in a ratio of 1: 3.5 (uncalibrated).
0-200 kc/s (— 3 dB). Via the capacitor input
the bandwidth is: 5 c/s-200 kc/s.
1 % for pulses with a rise time of ^ 25 ns
3 X the useful screen height, i.e. 1.5 X upwards
and downwards from the centre.
At maximum expansion the peaks of the signal
can be displayed undistorted by means of the
vertical shift control.
4-mm plug sockets
500 kO
45 pF in position "0.01 V/div." of the attenuator
switch
25 pF in the positions "0.03" and "0.1 V/div."
55 pF in the other positions.
400 V
r
.
m
.s.
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