40 Keysight N5280A User’s and Service Guide
N5280A
Operational Check
-
Check IF Output A
1.
On the PSG #1 connect RF OUT using a high-quality flexible cable to RF
INPUT A on the N5280A.
2.
On the PSG #2 connect RF OUT using a high-quality flexible cable to LO
INPUT on the N5280A.
3.
Connect the power meter to IF OUTPUT A on the N5280A.
4.
Use the output frequencies and power levels from the
Table 15
, set PSG #1
and PSG #2. Record the result in table for the measure IF OUTPUT A.
5.
Repeat
See “On the PSG #1 connect RF OUT using a high-quality flexible
cable to RF INPUT A on the N5280A.” on page 40.
to
See “Use the output
frequencies and power levels from the Table 15, set PSG #1 and PSG #2.
Record the result in table for the measure IF OUTPUT A.” on page 40.
for IF
Outputs B, C, and D.
Figure 27
IF Output Channel A Setup
Table 15
Measured IF OUT Power Levels
PSG #1
Output Freq
to RF IN A
(GHz)
RF IN
Power
Level (dBm)
PSG #2
Output Freq
to RF IN A
(GHz)
LO IN
Power
Level (dBm)
Power Level
Range Expected
at IF OUT A
(dBm)
Power Meter Reading Measured
for IF OUtputs and LO AUX (dBm)
10 dBm
0 dBm
A
B
C
D
LO AUX
3.5
4
5 to
11
IF OUTPUTS
N5280A
Frequency Converter
LO Source
RF Source
RF INPUTS
A
B
C
D
B
C
D
LO INPUT
A
Power Meter
Power Sensor
Summary of Contents for N5280A
Page 32: ...32 Keysight N5280A User s and Service Guide N5280A Operational Check Figure 21 LO AUX Output...
Page 34: ...34 Keysight N5280A User s and Service Guide N5280A Operational Check Figure 22 IF Config...
Page 50: ...50 Keysight N5280A User s and Service Guide N5280A Regulatory Information...