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Chapter 4 Calibration and Adjustment
-8 dB Range Flatness Adjustment
4
-8 dB Range Flatness Adjustment
1 Connect a precision AC Voltmeter to measure the output amplitude of
channel 1 as shown below. Connect the BNC cable to the Wide Band
input of the Fluke 5790A.
2 Use the precision AC Voltmeter to measure the output amplitude for
each of the setups in the table below.
* Constants are stored after completing this setup.
Nominal Signal
Setup Frequency Amplitude
46* 1 kHz 1.22 Vrms Flatness for -8 dB range
47* 100 kHz 1.22 Vrms Flatness for -8 dB range
48* 1 MHz 1.22 Vrms Flatness for -8 dB range
49* 5 MHz 1.22 Vrms Flatness for -8 dB range
50* 10 MHz 1.22 Vrms Flatness for -8 dB range
51* 20 MHz 1.22 Vrms Flatness for -8 dB range
52* 25 MHz 1.22 Vrms Flatness for -8 dB range
53* 30 MHz 1.22 Vrms Flatness for -8 dB range
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