2 Operating Your Frequency Counter
86 Keysight 53150A/151A/152A Operating Guide
6 Press the Offset On/Off key.
The Freq Offset annunciator is activated, and the value of the display is
adjusted to reflect the value and sign of the offset entered in Steps 2 and 3.
The display should look like this:
Since the offset function can be used to add or subtract a fixed value to/from
the measurement result, you can use this feature to tune or align the odd
frequencies of a local oscillator (LO). If you enter the target frequency as a
negative offset, the Counter displays the difference between the LO’s
frequency and the target frequency. You can then adjust the LO until the
Counter displays a value of zero.
GHz
MHz
kHz
Hz
Ch 1
Rel Freq
Offset
NOTE
The maximum value that can be entered for Frequency Offset is
± 49,999,999,999 Hz.
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