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Find us at www. keysi ght.com Page 70 Table 72 . Group Delay 1 - Typical Description Typical Perfo rmance Aperture ( selectable) (frequenc y span)/(number of points - 1) Maximum Apertur e 20% of frequency span Range 0.5 …
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N5227B Dynamic Accuracy, 60 GHz - Specification
N5227B Dynamic Accuracy, 67 GHz - Specification
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Table 72. Group Delay
1
- Typical
Description Typical Performance
Aperture (selectable)
(frequency span)/(number of points -1)
Maximum Aperture
20% of frequency span
Range
0.5 x (1/minimum aperture)
Maximum Delay
Limited to measuring no more than 180° of phase change within the
minimum aperture.)
Accuracy
See graph below. Char.
The following graph shows characteristic group delay accuracy with full 2-port calibration and a 10 Hz IF bandwidth. Insertion loss is
assumed to be < 2 dB and electrical length to be ten meters.
For any S
ij
Group Delay measurement, S
ii
= 0, S
ij
= 1, S
ji
= 0, S
kl
= 0 for all kl ≠ ij
In general, the following formula can be used to determine the accuracy, in seconds, of specific group delay measurement:
±Phase Accuracy (deg)/[360 × Aperture (Hz)]
Depending on the aperture and device length, the phase accuracy used is either incremental phase accuracy or worst-case phase accuracy.
1
Group delay is computed by measuring the phase change within a specified frequency step (determined by the
frequency span and the number of points per sweep).
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General Information
Table 73. Miscellaneous Information
Description Supplemental Information
System IF Bandwidth Range
1 Hz to 15 MHz, nominal
CPU
For the latest information on CPUs and associated hard drives, visit: PNA Hard Drives
and CPUs (keysight.com)
LXI
CPU version 7.0, 8.0
CPU version 9.0
Class C
LXI 1.5
Extended Functions:
HiSLIP; VSI-11 Discovery and
Identification
Maximum Number of Points
100003
Table 74. Front Panel Information, All Options
Description Typical Performance
RF Connectors
Type
1.85 mm (male), 50 ohm, (nominal)
Center Pin Recession
0.002 in. (characteristic)
USB 2.0 Ports - Primary (4 ports)
Standard
Compatible with USB 2.0
Connector
USB Type-A female
Display
Size
31 cm (12.1 in) diagonal color active matrix LCD; 1280 (horizontal) X 800 (vertical)
resolution
Refresh Rate
Vertical 60 Hz; Horizontal 49.31 kHz
Pixels
Any of the following would cause a display to be considered faulty:
• A complete row or column consists of “stuck” or “dark” pixels.
• More than six “stuck on” pixels (but not more than three green) or more than 0.002%
of the total pixels are within the LCD specifications.
• More than twelve “dark” pixels (but no more than seven of the same color) or more
than 0.004% of the total pixels are within the LCD specifications.
• Two or more consecutive "stuck on" pixels or three or more consecutive "dark" pixel
(but no more than one set of two consecutive dark pixels).
• “Stuck on” pixels or more than two “dark” pixels less than 6.5 mm apart (excluding
consecutive pixels).