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Trigger system
Sources
Selections
Edge
Pulse Width
TV
AutoScale
Oscilloscope channel triggering
Range (internal)
Coupling
External (EXT) triggering
Input impedance
Maximum input
Range
EXT trigger pulse width
Trigger Level Sensitivity
U2701A/U2702A Modular Oscilloscopes User's Guide
Ch 1, Ch 2, Ext (not applicable for TV trigger)
Edge, pulse width, TV
Triggers on a rising or falling edge, alternating or either edge of any source
Triggers on a pulse width greater than, equal to, or less than a specified time limit, with
time limits ranging from 16 ns to 10 s.
Minimum lowerlimit: 8 ns
Minimum upperlimit: 16 ns
Maximum pulse width setting: 10 s
Triggers on one of three standard television waveforms: NTSC, PAL, SECAM
TV trigger sensitivity: 0.6 division of sync signal. Modes supported include Field 1, Field
2, all fields, or any line within a field.
Single button automatic setup of all channels
4 div from center screen
±
AC (< 15 Hz)
LF reject (~ 35 kHz)
HF reject (~ 35 kHz)
Ω
: ≈ 16 pF
1 M
CAT I 30 Vrms, 42 Vpk
DC coupling: trigger level
> 2.5 ns
For
1.25 V range setting:
±
DC to 100 MHz: 100
V
µ
> 100 MHz: 200
V
µ
For
2.5 V range setting:
±
DC to 100 MHz: 250
V
µ
> 100 MHz: 500
V
µ
Characteristics and Specifications
1.25 V and
2.5 V
±
±
3
83
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