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APPENDIX G
Since the maximum stop frequency in low band is 2.5 GHz, the analyzer will reduce the span by changing the
START FREQ in order to enable the center frequency to be tuned to 2.2. GHz. Hence, the equivalent START/
STOP FREQ is now 1.9 GHz/2.5 GH z, which yields a 600 MHz span. If the CENTER FREQUENCY is tuned to
2.25 GHz, the SPAN will be reduced to 500 MHz, a CENTER FREQUENCY greater than 2.25 GHz will automat-
ically switch the analyzer to the microwave (2 - 22 GHz) band while maintaining a 500 MHz span.
The CENTER FREQUENCY/SPAN TUNING CHART below graphically illustrates the aforementioned tuning
characteristics.
- 1
CENTER FREQUENCY/SPAN TUNING CHARACTERISTICS
SPAN > 500 MHz
I
,
0
1
2
CENTER FREGUENCY
I
I
3
4
2.5
A p p e n d i x 4 7
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