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SIGLENT
7.2.1.3 Start Frequency
Set the start frequency of scan. The start and stop frequencies are displayed at the bottom of the grid
respectively.
● The span and center frequency vary with the start frequency when the Span does not reach the
minimum. For more details, please refer to “Span”.
Table 7-3 Start Frequency
Parameter
Explanation
Default
30 MHz
Range
0 Hz ~ (Full Span-100Hz)
Unit
GHz, MHz, kHz, Hz
Knob Step
Span/200, min 1 Hz
Direction Key Step
Span/10
Related to
Center Freq, Span
7.2.1.4 Stop Frequency
Set the stop frequency of scan. The start and stop frequencies are displayed at the lower right sides of
the grid respectively.
● The span and center frequency vary with the stop frequency. The change of the span will affect
other system parameters. For more details, please refer to “Span”.
Table 7-4 Stop Frequency
Parameter
Explanation
Default
300 MHz
Range
Nonzero Span: 100 Hz ~ Full Span
Unit
GHz, MHz, kHz, Hz
Knob Step
Span/200, min 1 Hz
Direction Key Step
Span/10
Related to
Center Freq, Span
7.2.2 Span
Set the span of scan. Any change of this parameter will stop the running sequence.
● Zero-span is invalid in EMI Measurement mode.
7.2.2.1 Span
Set the frequency range of scan.
● The start and stop frequency vary with the span when the center frequency is constant.
● The span can be set down to 100 Hz and up to the full span described in Specifications. When the
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