30 MHz-differential oscilloscope
19
5.2. Horizontal deflection
Characteristics Specifications Comments
Sweep coefficients
Accuracy on all ranges
0.5 µs to 200 ms/div.
± 3 % i. e. 18 positions
Sequences 1-2-5
Expansion x 10 Accuracy : ± 5 %
used to obtain 20ns/div.
Variable coefficient
Division of the s/div. range
1 to 2.5 approx.
Calibrated position : control
at left-hand stop
(signal horizontal
expansion)
Sweep disable time
(HOLDOFF)
Variable from 1 to 10 for each of the 18 ranges in
the timebase
XY mode
Y bandwidth -3 dB
X bandwidth -3 dB
derating
0 to 20 MHz on ranges 10 mV to 50 mV/div.
0 to 30 MHz - 100 mV to 200 V/div.
0 to 2 MHz
∆ϕ < 3° to 120 kHz
5.3. Trigger system
Characteristics
Specifications Comments
CH1 / CH2 sensitivity
0 to 10 MHz
10 to 20 MHz
20 to 40 MHz
0.7 div.
1 div.
2 div.
ALT Source depending on vertical
mode :
CH1 CH1 trigger
ALT CH1 then CH2 trigger
CHOP CH1 trigger
ADD CH1 trigger
CH2 CH2 trigger
LINE Synchro to mains
EXT sensitivity applicable min. amplitudes
• Ze = 1 MΩ // 12 pF
0 to 10 MHz
10 to 20 MHz
20 to 40 MHz
100 mVpp
200 mVpp
400 mVpp
• Protection against transients
4 kV (1.2 / 50 µs )
• Common mode voltage
50 V peak max.
Filters Bandwidth to -3 dB
AC
10 Hz to 40 MHz
LF
10 kHz to 40 MHz
HF
0 to 10 kHz
TVH and TVV
synchronisation on a video line (TVH)
or video frame (TVV )
Horizontal mode
AUTO
Normal
relaxéd mode Freq > 5 Hz
triggered mode
Slope Falling edge
Rising edge
Level range
P-P
80 % of peak-peak amplitude of
sinusoidal signal F > 50 Hz
Normal
± 12 divisions
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