Dataman 520 Series - Manual (Page 81)

DATAMAN oscilloscope
User’s Guide
7. Performance characteristics
7.1. DATAMAN 570 series performance characteristics
7.1.1. Vertical deflection system
No of divisions 8
No of pixels per division 32
Deflection factor range 10mV/div to 5V/div in 1-2-5 sequence
Accuracy +- 2% of current value + 1 pixel
Resolution 8 bits (0,39%)
Frequency response (-3dB) DC: 0 - 150 MHz, AC: 1.2Hz – 150 MHz
Step response rise time
max. 2.4 ns
Channel isolation min. –60 dB
Resistance 1 MOhm +5 %, -2 %
Input resistance inaccuracy
adjustment Digital for absolute accuracy +- 2% of current voltage +
1 pixel
Capacitance 29 pF +- 1pF
Zero setting accuracy +- 2% of the screen
Maximum input voltage +- 200V at 100 kHz or less
Table 7.1.1.1. – Vertical deflection system
7.1.2. 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 1048576*Ts with
selectable AUTO mode, to sample proper amount of data
before trigger. (Ts – actual real time sampling period)
Table 7.1.2.1. – Triggering
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