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Specifications and Characteristics
Instrument Specifications and Characteristics
Delay
Specifications
AM Delay (Options 1 DA
and
1DBI
Aperture: 55.56
kHz
Resolution: 1 nskhvision
Accuracy:
f4
ns
(specihed
at 0
dBm,
16 averages, well-matched device,
calibrated)
Delay Range: 30 psec (9000 m)
Amplitude
Range:
-10 to + 13
dBm
Typical AM Delay Dynamic Accuracy (calibrated at + 10
dBm)
Power Delay
0 to
+lO
dBm
f10
ns
+lO
to
+20
dBm
HO
ns
Group Delay
Chafacterirticr
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).
Aperture:
Maximum aperture: 20% of frequency spun
Minimum aperture:
@requency
span) /(number of points
-
1)
Range:
The maximum delay is limited to measuring no more than
180”
of phase
change within the minimum aperture.
Range =
l/(2
x
minimum aperture)
Accuracy:
The following graph shows group delay accuracy at 1300 MHz with
type-N transmission calibration and 15 Hz
lF’
bandwidth. Insertion loss is
assumed to be ~2
dB
and electrical length to be ten meters.
10-14
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