NARDA IDA - Page 264

17 Specifications
256 IDA-3106 Narda
17.3.5 Time Domain (Scope)
Filter • Type: Steep cut-off channel filter (app. raised cosine)
• Roll-off factor: 0.16
Video bandwidth (VBW) 0.01 Hz to 32 MHz or off,
Coupled with selected CBW (VBW = CBW/1 … CBW/10000)
Max Hold Available for Peak and RMS detectors
Noise threshold Selectable at 0, 3, 6, 10, 15, or 20 dB relative to device noise floor.
Measurement values below the threshold are shown as
“< absolute threshold value”.
Measurement principle Selective level measurement at a selectable frequency
from 9 kHz to 6 GHz
Channel bandwidth CBW,
(-6 dB nominal)
100 Hz to 32 MHz
In steps of
100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000 Hz,…
10 MHz, 13.33 MHz, 16 MHz, 20 MHz, 26.67 MHz, 32 MHz
Filter • Type: Steep cut-off channel filter (app. raised cosine)
• Roll-off factor: 0.16
Video bandwidth (VBW) 0.01 Hz to 32 MHz or off
Coupled with selected CBW (VBW = CBW/1 … CBW/10000)
Measurement
High Resolution Scope • Measures the actual magnitude, max. 250000 samples
• Time resolution coupled to 1/CBW (31.25 ns to 10 ms)
Long-Time Scope • Uses selectable detectors to measure the magnitude
• Time Span 4 µs to 24 h (resolution 250 ns)
Detector +Peak, RMS, -Peak
can be selected individually for Long-Time Scope
Evaluation functions Duty cycle (ratio of average power to maximum power) including
Time Domain Power
Triggering • Free run, single, multiple, time controlled
• Programmable trigger level, trigger slope and trigger delay
Magnifier (Graphical Zoom) • Simultaneous display of the selected trace and an enlarged view
of the section of interest
• Magnification level of 25 x and 500 x for High Resolution Scope
and 10 x and 50 x for Long-Time Scope