
Trigger System
Sources Channels 1, 2, line, and external
Internal trigger Sensitivity
1
dc to 100 MHz: 0.50 div or 5.0 mV
100 MHz to 500 MHz: 1 div or 10 mV
Coupling
ac, dc, LF reject, HF reject, and noise reject
LF reject attenuates –3 dB for signals below 50 kHz, and
HF reject attenuates –3 dB for signals above 50 kHz
Modes Auto, Autolevel, Normal, Single, and TV
TV triggering Available on channels 1 and 2
TV line and field 0.5 division of composite sync for stable display
Holdoff
Adjustable from 300 ns to ≈13 s
External trigger Range
±2 V
Sensitivity
1
dc to 100 MHz: <75 mV
100 MHz to 500 MHz: <150 mV
Coupling ac, dc
Input resistance
1 MΩ or 50Ω
Input capacitance
≈12 pf
Maximum input voltage
250 V [dc + peak ac(<10 kHz)]
50Ω protection Protects 50Ω load from excessive voltage.
Probe Sense Automatic readout of 1X, 10X, 20X, and 100X probes
1
Tested, see "To verify trigger sensitivity," on page 4-15.
Performance Characteristics
Trigger System
5-5
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