13. Scale Fidelity, HP 8590
This performance verication test must be performed with the EMC analyzer set in the spectrum analyzer mode.
A 50 MHz CW signal is applied to the INPUT 50 of the analyzer through two step attenuators. The attenuators increase the eective amplitude range of the source. The amplitude of the source is decreased in 10 dB steps and the analyzer marker functions are used to measure the amplitude dierence between steps. The source's internal attenuator is used as the reference standard. The test is performed in both log and linear amplitude scales.
Equipment Required
Synthesizer/level generator
Attenuator, 1 dB step
Attenuator, 10 dB step
Cable, BNC, 122 cm (48 in)
Cable, BNC, 20 cm (9 in)
Adapter, Type N (m) to BNC (f)
Adapter, Type BNC (m) to BNC (m)
Additional Equipment for Option 026
Adapter, APC 3.5 (f) to Type N (f)
Figure
Performance Verication Tests