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Dataman 770 series performance characteristics, Vertical deflection system, Triggering – Dataman 520 Series User Manual

Page 87: Vertical deflection system 7.3.2. triggering

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DATAMAN oscilloscope

User’s Guide

14 yes 1ms

50us

5us 10.24ms 1.25us 800kHz

15 yes 2ms 100us 10us 20.48ms 2.5us 400kHz
16 yes 4ms 200us 20us 40.96ms 5us 200kHz
17 yes 10ms 500us 50us 102.4ms 12.5us 80kHz
18 yes 20ms 1ms 100us 204.8ms 25us 40kHz
19 yes 40ms 2ms 200us 409.6ms 50us 20kHz
20 yes 100ms 5ms 500us 1.024s 125us 8kHz
21 yes 200ms 10ms 1ms 2.048s 250us 4kHz
22 yes 400ms 20ms 2ms 4.096s 500us 2kHz
23 yes

1s

50ms 5ms 10.24s 1.25ms 800Hz

24 yes

2s

100ms 10ms 20.48s 2.5ms 400Hz

Table 7.2.9.1. – DATAMAN 526 timebase ranges

7.3. DATAMAN 770 series performance characteristics

7.3.1. 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

28 pF +- 1pF

Zero setting accuracy

+- 2% of the screen

Maximum input voltage

+- 200V at 100 kHz or less

Table 7.3.1.1. – Vertical deflection system

7.3.2. 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

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