Log Sweep - Rigol DG4162 User Manual

Chapter 6 Sweep

Log Sweep

The output frequency of the instrument varies in a logarithmic fashion, that is, the
output frequency changes in the way of "octave per second" or "decade per
second". The change is controlled by "Start Frequency", "End Frequency" and
"Sweep Time".
When Log Sweep is enabled, users could set the following parameters:
start frequency (
F
The function prototype of log sweep is
using the above-mentioned parameters.
DG4000 User's Guide
Figure 6-1 Linear Sweep
), end frequency (
start
lg(
P = 10
) and sweep time (
F
stop
=
. P and T could be expressed
T
F P
current
F / F / ) T
stop start sweep
RIGOL
)
T
sweep
6-5