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5.2.6. Centre Frequency
Centre
Frequency
Fig.5.8.
The Centre Frequency Control Fields
The Centre Frequency control fields control selection of Zoom or Baseband mode, the
centre frequency of the frequency span in Zoom mode, and Internal or External Sam-
pling.
~
F is equal .to the frequency resolution.
0. ZOOM
1. BASEBAND
(FREQ. SPAN)/2
(FREQ. SPAN)/2
+
16~F
(FREQ. SPAN)/2
+
32~F
25,6 kHz -
(FREQ. SPAN)/2
{
0. INT. SAMPL.
1. C = IEXT. SAMPL.IFREQ/65536Hz**
{
0. INT. SAMPL.
1. C = IEXT. SAMPL.IFREQ/65536Hz**
*
Hidden field when set to Internal Sampling. Becomes visible when the Field Selector is contained
by the Centre Frequency control fields or when the field is set to External Sampling.
In external sampling, all frequencies must be multiplied by C and all times
divide.
d by C.
59
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