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168 Service Procedures
Appendix D
Function Gain and Linearity Verification
This test verifies the output amplitude accuracy specification for
sine wave, triangle wave, ramp, and square wave outputs.
Set the function generator for each output indicated in the table below. Use
a DMM to measure the function generator ACrms output voltage. Compare
the measured results to the test limits shown in the table. This is a HIGH Z
output termination test.
DC Function Offset Verification
This test verifies the DC offset and DC output specifications.
Set the function generator for each output indicated in the table below. Use
a DMM to measure the function generator DCV output. Compare the
measured results to the test limits shown in the table. This is a HIGH Z output
termination test.
Table D-3. Function Gain and Linearity Verification
Agilent E1441A Measurement
Function Out
Term
a
Ampl Freq Nominal Error
Q Sine wave HIGH Z 7.0 Vrms 1.0 kHz 7.0 Vrms ± 0.07 Vrms
Sine wave HIGH Z 5.7 Vrms 1.0 kHz 5.7 Vrms ± 0.057 Vrms
Triangle wave HIGH Z 5.7 Vrms 100 Hz 5.7 Vrms ± 0.057 Vrms
Ramp wave HIGH Z 5.7 Vrms 100 Hz 5.7 Vrms ± 0.057 Vrms
Q Square wave HIGH Z 10.0 Vrms 100 Hz 10.0 Vrms ± 0.1 Vrms
Square wave HIGH Z 8.0 Vrms 100 Hz 8.0 Vrms ± 0.08 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.
Table D-4. DC Function Offset Verification
Agilent E1441A Measurement
Function Out
Term
a
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.
Ampl Nominal Error
Q DC Volts HIGH Z 10.0 VDC 10.0 VDC ± 0.20 VDC
DC Volts HIGH Z -10.0 VDC -10.0 VDC ± 0.20 VDC