Chapter 3 3-37
Functional Testing
Resolution Bandwidth Switching Uncertainty
Resolution Bandwidth Switching Uncertainty
Test Limits
Test Description
To measure the resolution-bandwidth switching uncertainty, an
amplitude reference is taken with the resolution bandwidth set to
1 kHz. The resolution bandwidth is changed to settings between 5 MHz
and 3 kHz and the amplitude variation is measured at each setting
using the marker delta function and compared to the specification. The
span is changed as necessary to maintain approximately the same
aspect ratio.
Resolution Bandwidth Minimum (dB) Maximum (dB)
1 kHz 0 (Ref) 0 (Ref)
3 kHz –0.3 dB 0.3 dB
10 kHz –0.3 dB 0.3 dB
30 kHz –0.3 dB 0.3 dB
100 kHz –0.3 dB 0.3 dB
300 kHz –0.3 dB 0.3 dB
1 MHz –0.3 dB 0.3 dB
3 MHz –0.3 dB 0.3 dB
5 MHz –0.6 dB 0.6 dB
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