29 | Keysight | Infiniium DCA-X 86100D Wide-Bandwidth Oscilloscope Mainframe and Modules - Data Sheet
Measurements (Continued)
Configure measurements
Math measurements - classic DCA user interface
– Thresholds
– 10%, 50%, 90% or 20%, 50%, 80% or custom
– Eye boundaries
– Define boundaries for eye measurements
– Define boundaries for alignment
– Format units for
– Four user-definable functions operator — Magnify, invert,
subtract, versus, min, max
– Source — Channel, function, memory, constant, response
(TDR)
Signal processing measurements - FlexDCA
– Duty cycle distortion — Time or percentage
– Extinction/Contrast ratio — Ratio, decibel or percentage
– Eye height — Amplitude or decibel (dB)
– Eye width — Time or ratio
– Math — Add, subtract, multiply, average, invert, maximum,
minimum, median
– Signal processing — Difference (differentiate), summation
(integrate), interpolation (linear, Sin(x)/x), filters: 4th order
bessel, butterworth, gaussian
– Average power — Watts or decibels (dBm)
– Top base definition
– Transforms — FFT, versus
– Equalizer (Option 201) — Linear feed-forward
– Equalizer (LFE, up to 64 taps)
Automatic or custom
– Δ time definition
– Simulation (Option SIM) — De-embedding, embedding,
random jitter, random noise
– First edge number, edge direction, threshold
– Second edge number, edge direction, threshold
– Jitter mode
Calibrate - classic DCA user interface
– Units (time or unit interval, watts, volts, or unit amplitude)
– Signal type (data or clock)
– Measure based on edges (all, rising only, falling only)
– Graph layout (single, split, quad)
– All calibrations
– Module (amplitude)
– Horizontal (time base)
– Extinction ratio
– Probe
– Optical channel
Quick measure configuration
When using the classic DCA interface, “Quick Measure”
measurements are initiated by pressing the <Multi-Purpose>
button on the front panel.
– Front panel calibration output level
– User selectable –2 to 2 V
– Four user-selectable measurements for each mode, eye-
mask, TDR, etc.
– Default settings (Eye/Mask mode) extinction ratio, jitter RMS,
average power, crossing percentage
– Default settings (Oscilloscope mode) rise time, fall time,
period, V amptd
Utilities
– Set time and date
– Remote interface
– Set GPIB interface
– Touch screen configuration/calibration
– Calibration
– Disable/enable touch screen
– Upgrade software
Histograms
Configure
– Upgrade mainframe
– Upgrade module
– Histogram scale (1 to 8 divisions)
– Histogram axis (vertical or horizontal)
– Histogram window (adjustable window via marker knob)
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