-8 dB Range Flatness Adjustment
-8 dB Range Flatness Adjustment
1. Connect a precision AC voltmeter to measure the output amplitude 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 setup in the table below.
Setup
Nominal Signal
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
* Constants are stored after completing this setup.
3. Using the numeric keypad or knob, adjust the displayed voltage at each setup to match the measured voltage.
Select
ENTER VALUE
.
4. After performing setup 53:
a. If your calibration procedures require you to verify the adjustment just made, exit the calibration menu and
perform
-8 dB Range Flatness Verification
b. If you are making all the adjustments and then verifying the instrument’s performance, verify the output spec-
ifications of the instrument with the
Performance Verification Tests
396
Agilent 33500 Series Operating and Service Guide
