Agilent Technologies E4406A VSA Series - Page 257

Chapter 5 257
Post-Repair Procedures
Baseband I/Q Amplitude Accuracy Test
I only
600 Ω Balanced
a
1 I input −22 ± 1.0
I only 1 MΩ Unbalanced 1 I input −10 ± 1.0
I only
1 MΩ Balanced
a
1 I input −10 ± 1.0
I only
1 MΩ Balanced
a
1I input (I bar) −10 ± 1.0
Q only 50 Ω Unbalanced 1 Q input −16 ± 1.0
Q only 50 Ω Unbalanced 0.25 Q input −16 ± 1.0
Q only 50 Ω Unbalanced 0.125 Q input −16 ± 1.0
Q only
600 Ω Balanced
a
1Q input −22 ± 1.0
Q only 1 MΩ Unbalanced 1 Q input −10 ± 1.0
Q only
1 MΩ Balanced
a
1Q input −10 ± 1.0
Q only
1 MΩ Balanced
a
1Q input (Q bar) −10 ± 1.0
a. Whenever performing a balanced measurement ensure the complimentary input
is terminated (for a balanced input, when the signal source is connected to the I
input, the I
input must be terminated).
Table 5-8 Amplitude Accuracy at 100 kHz and 5 MHz
Input
Port
I/Q Input Z I/Q
Range
(V)
I/Q Input
Connector
UUT Measured
Amplitude
(dBm)
Nominal
Amplitude
(dBm)
Test
Limits
(dB)
100 kHz 5 MHz