AFG1000 Series Specifications and Performance Verification
AC flatness test
This test verifies the flatness of a sine wave to 1 kHz sine wave.
1.
Connect the arbitrary function generator to the DMM as shown in the
following figure. Be sure to connect the 50 Ω terminator to the arbitrary
function generator Output connector side. Use the same CF on page 21
(Amplitude test).
Figure 8: AC flatness tests for 1 kHz
2.
Set up the arbitrary function generator as follows:
a.
Push the Sine button on the front panel.
b.
Press the Freq/Period bezel button to choose Freq. The chosen parameter
will be lighted with white background.
c.
Use the numeric keypad or the general purpose knob to set the frequency to
1 kHz.
d.
Press the Ampl/High bezel button to choose Ampl. The chosen parameter
will be lighted with white background.
e.
Use the numeric keypad or the general purpose knob to set the
amplitude to 1.000 V
p-p
.
f.
Check that the CH1 On/Off front panel button LED is on. If not , then the
channel output is off. Push the CH1 On/Off button to turn it on.
3.
Read DMM Vrms value, convert Vrms to dbm by
Power(dbm) = 10*lg(20(Vrms/CF)
2
)
4.
Write the converted dbm value of the 1 kHz sine wave as a reference power
value.
5.
Connect the arbitrary function generator to the power meter with a power
head
as shown in the following figure.
Figure 9: AC flatness tests for the frequency greater than 100 kHz
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