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2-2
2 CHARACTERISTICS
CHARACTERISTICS
2.1
DISPLAY
SPECIFICATION
Cathode ray tube
150 DEB31
Measuring area (h x w)
80 mm x 100 mm
Screen type
GH (P31)
Total acceleration voltage
2 kV
Graticule
internal, fixed
Nlumination
continuously variable
Channel A
Channel B
Deflection sources
Ch. A and Ch. B ADDed
Deflection modes
1 Channel only
Channel A&B ADDed or
subtracted
2 Channels chopped
2 Channels alternated
Chop frequency
250 kHz + 20%
Y signal output:
source
Channel A
Output voltage into 1 MQ
100 mV/div
Output voltage into 50 Q
50 mV/div
2.3
CHANNELS
A AND
B
Input connector
BNC
Input impedance:
R parallel
1MQ+
2%
C parallel
30 pF
max. input cap. difference
2 pF
Input coupling
d.c., a.c., ground
ADDITIONAL INFORMATION
150 mm rectangular single beam
domed mesh tube.
8 div x 10 div
Channel B can be inverted
(allowing for A-B in ADDed
position)
A+B
MTB: 0,5 s/div...1 ms/div and in
X-Y operation
MTB: 0,5 ms/div...0,2 «s/div
Measured at frequencies
< 1 MHz
In AC pos. of input coupling:
22 nF in series with R par. and
C par.
In GND pos.: R par =
In GND position: channel
disconnected from input BNC and
connected to ground
2.1 DISPLAY
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