3
Instrument Configuration
82
Keysight U8903A User’s Guide
Frequency Lock
The fundamental frequency lock setting is only applicable when Function 2
measurement of the specified channel is set to SINAD, THD + N Ratio, or THD + N
Level. If Function 2 measurement is set to SINAD, the default frequency lock type
is Gen. Lock, whereas for THD + N Ratio and THD + N Level, the default frequency
lock type is Auto.
When the frequency lock type is set to Auto, the fundamental frequency is determined
by the measured signal frequency of the frequency measurement function. Function 1
measurement is set to Frequency if the frequency lock type is Auto.
When the frequency lock type is set to Gen. Lock, the fundamental frequency is
determined by the frequency value set at the corresponding generator channel.
Figure 3-7
Frequency lock
Содержание U8903A
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