Function Descriptions; Sweep - HP 8568B Installation And Verification Manual

Spectrum analyzer includes option 001, option 400, option 462, and option 857
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Function
Descriptions

Sweep

Free Run
Sweep triggered by internal source.
Line
Sweep triggered by power line frequency.
Video
Sweep triggered by detected waveform of input signal at
an
adjustable level; signal must be 20.5 div peak-to-peak.
For sweeps of 10 ms and less (zero span) the signal must
have
rate,
but display will blank between triggers when sweep is
External
Sweep triggered by rising edge of signal input to
rear-panel
BNC connector; trigger source must be >2.4 V (10 V
maximum).
For sweep of 10 ms and less (zero span), trigger source
must
have >40 Hz rate. (SHIFT] IEXT_) (KSx) allows any trigger
source rate, but display will blank between low repetition
rate
trigger when sweep is ~20 ms.
Continuous
Sequential sweeps initiated by the trigger.
Single
Single sweep armed on activation and initiated by trigger
(sweep 220 ms only).
Sweep Time
Range
1 ps to 10 ms in 1, 2, 5 sequence.
Span = 0
HZ
20 ms to 1500 s in 1, 1.5, 2, 3, 5, 7.5, 10 sequence.
20 ms to 1500 s in 1, 1.5, 2, 3, 5, 7.5, 10 sequence.
Span > 0
HZ
Characteristics
Characteristics 4-9

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