Dataman 520 Series - Manual (Page 84)

DATAMAN oscilloscope
User’s Guide
Table 7.2.1.1. – Vertical deflection system
7.2.2. Triggering
System type Dual level
Trigger source for primary
level selectable Channel A, Channel B or external trigger input
Trigger source for
secondary level selectable Channel A, Channel B or external trigger input
Threshold setting Channel A and Channel B on the whole display range.
External fixed on about 1.5V
Slope selection Leading or trailing edge independently on each source
Minimum trigger pulse
period 5 ns
Minimum trigger pulse
length 2.5 ns
Maximum voltage on
external trigger input –10V to +13V at 20 kHz or less
Adjustments Digital filter with ability of setting the valid pulse length
up to 131072*Ts for each level and counter of valid
triggering events selectable from 1 to 32768 for each
level. HOLD-OFF selectable up to 131072*Ts with
selectable AUTO mode, to sample proper amount of data
before trigger. (Ts – actual real time sampling period)
Table 7.2.2.1. – Triggering
7.2.3. Data acquisition system
No of divisions 10
No of pixels per division 50
Mode of operation Sampling before and after trigger with continual
selection of the trigger position
Record length 8192 samples for each channel
Time base range in 1:1
mode 522
524
526 10 ns/d to 100 ms/d in 1-2-5 sequence
5 ns/d to 100 ms/d in 1-2-5 sequence
2 ns/d to 100 ms/d in 1-2-5 sequence
Time base range using
different ZOOM modes 522
524
526 1 ns/d to 800 ms/d
500 ps/d to 800 ms/d
200 ps/d až 1.6 s/d
Time base accuracy 0.01 % to 100ns/d, 0.5 % for 50ns/d to 5 ns/d
Real time sampling
frequency 522
524
526 500 Hz to 50 MHz
500 Hz to 100 MHz
500 Hz to 200 MHz
Equivalent sampling
frequency 522
524
526 500 Hz to 5 GHz
500 Hz to 10 GHz
500 Hz to 20 GHz
Display range with respect
to trigger event 8190 samples before and 63000 samples after trig. event
in length of 8192 samples
Table 7.2.3.1. – Data acquisition system
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