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Service Procedures 169
Appendix D
AC Amplitude Verification
This procedure is used to check the output amplitude calibration of the
function generator. Verification checks are performed to check the accuracy
of the pre-attenuator and post attenuator. Make sure you have read “Test
Considerations” on page 165.
Set the function generator for each output indicated in the table on the next
page. Use a DMM to measure the ACrms output voltage of the function
generator. Compare the measured results to the test limits shown in the table.
This is a HIGH Z output termination test.
Table D-5. AC Amplitude Verification (High Z)
Agilent E1441A Measurement
Function Out
Term
a
Ampl Freq Nominal Error
Q Sine wave HIGH Z 7.0 Vrms 1.00 kHz 7.0 Vrms ± 0.070 Vrms
Sine wave HIGH Z 5.7 Vrms 1.00 kHz 5.7 Vrms ± 0.057 Vrms
Sine wave HIGH Z 5.5 Vrms 1.00 kHz 5.5 Vrms ± 0.055 Vrms
Sine wave HIGH Z 4.4 Vrms 1.00 kHz 4.4 Vrms ± 0.044 Vrms
Sine wave HIGH Z 3.5 Vrms 1.00 kHz 3.5 Vrms ± 0.035 Vrms
Sine wave HIGH Z 2.8 Vrms 1.00 kHz 2.8 Vrms ± 0.028 Vrms
Sine wave HIGH Z 2.2 Vrms 1.00 kHz 2.2 Vrms ± 0.022 Vrms
Sine wave HIGH Z 1.7 Vrms 1.00 kHz 1.7 Vrms ± 0.017 Vrms
Sine wave HIGH Z 1.4 Vrms 1.00 kHz 1.4Vrms ± 0.014 Vrms
Sine wave HIGH Z 1.1 Vrms 1.00 kHz 1.1 Vrms ± 0.011 Vrms
Q Sine wave HIGH Z 0.88 Vrms 1.00 kHz 0.88 Vrms ± 0.0088 Vrms
Sine wave HIGH Z 0.70 Vrms 1.00 kHz 0.70 Vrms ± 0.0070 Vrms
Sine wave HIGH Z 0.55 Vrms 1.00 kHz 0.55 Vrms ± 0.0055 Vrms
Sine wave HIGH Z 0.44 Vrms 1.00 kHz 0.44 Vrms ± 0.0044 Vrms
Sine wave HIGH Z 0.35 Vrms 1.00 kHz 0.35 Vrms ± 0.0035 Vrms
Sine wave HIGH Z 0.28 Vrms 1.00 kHz 0.28 Vrms ± 0.0028 Vrms
Sine wave HIGH Z 0.22 Vrms 1.00 kHz 0.22 Vrms ± 0.0022 Vrms
Sine wave HIGH Z 0.17 Vrms 1.00 kHz 0.17 Vrms ± 0.0017 Vrms
Sine wave HIGH Z 0.14 Vrms 1.00 kHz 0.14 Vrms ± 0.0014 Vrms
Sine wave HIGH Z 0.11 Vrms 1.00 kHz 0.11 Vrms ± 0.0011 Vrms
Q Sine wave HIGH Z 0.088 Vrms 1.00 kHz 0.088Vrms ± 0.00088 Vrms
Sine wave HIGH Z 0.070 Vrms 1.00 kHz 0.070 Vrms ± 0.00070 Vrms
Sine wave HIGH Z 0.055 Vrms 1.00 kHz 0.055 Vrms ± 0.00055 Vrms
Sine wave HIGH Z 0.044 Vrms 1.00 kHz 0.044 Vrms ± 0.00044 Vrms
Q Sine wave HIGH Z 0.036 Vrms 1.00 kHz 0.036 Vrms ± 0.00036 Vrms
a.The E1441A has a fixed output impedance of 50 Ω on the "Output" terminal. Use the
OUTPut:LOAD 50 | INFinity | MIN | MAX command to set the output termination.
HIGH Z assumes no load on output. 50 Ω assumes a 50 Ω ± 0.1 Ω load on output.