R&S ZVB - Page 160

R&S
®
ZVA / R&S
®
ZVB / R&S
®
ZVT GUI Reference
Trace Menu
Operating Manual 1145.1084.12 – 30 145
The following table lists "optimum" apertures Δf = 0.3 / τ
g,meas
together with sample analyzer settings for a
frequency sweep with 201 sweep points. Notice that the sweep span must be reduced or the number of
frequency points increased to obtain small apertures.
Group delay τ
g,meas
Aperture Δf
Span
No. of aperture steps
1 ns
300 MHz
6 GHz
10
10 ns
30 MHz
600 MHz
10
100 ns
3 MHz
60 MHz
10
1 μs
300 kHz
6 MHz
10
10 μs
30 kHz
600 kHz
10
10 μs
3 kHz
60 kHz
10
1 ms
300 Hz
6 kHz
10
The relationship between group delay and "optimum" aperture is also shown in the following diaram.
For more information about group and phase delay measurements refer to the application note 1EZ35_1E
which is available for download on the Rohde & Schwarz internet.
http://www2.rohde-