Limit Testing For Return Loss (Port Off); Recalling The "Port Active" Limit Test File; Specifying The Title; Setting Up The Limit Table - Agilent Technologies Option H48 Multiport Test Set Z5623A User's And Service Manual

Performance Verification
Setting Up Limit Testing

Limit Testing for Return Loss (Port Off)

The limit test for return loss (port off) is identical to the limit test for
return loss (port active) with the following exceptions:
• The title
• The limit table

Recalling the "Port Active" Limit Test File

Recall the limit test file for return loss (port active). It should be
recorded in

Specifying the Title

Step 1. Click View on the menu bar. When the View menu appears, scroll down
to the Meas Display button and pause momentarily. When the Meas
Display menu appears, scroll down to the Title... button and click it.
See
Step 2. The Title Entry window is shown in
up, click in the Entry field.
Step 3. Type "Return Loss (Port Off)" in the Entry field, then press the Enter
key on the USB keyboard (or the OK button in the Title Entry window)
to close the window and display the new title.

Setting Up the Limit Table

Step 1. Click Trace on the menu bar. When the Trace menu appears, scroll
down to the Limit Test... button and click it. See
Step 2. When the Limit Test window pops up as shown in
Show Table button, then click the OK button.
Step 3. When the Limit Table pops up, transfer entries from
Limit Table on the network analyzer. (Consult the shortcuts listed on
page
Table 5-6 Limit Table Entries for Return Loss (Port Off)
Segment
Number
5 -24
Table 5-3 on page
Figure 5-2.
5-13.) The result is shown in
Segment
Type Stimulus
1 Max
2 Max
3 Max
4 Max
5-7.
Figure 5-3. When this window pops
Figure 5-24.
Begin End
Stimulus
300 kHz 1.3 GHz
1.3 GHz 3 GHz
3 GHz 6 GHz
6 GHz 9 GHz
Agilent Technologies Z5623A Option H48
Figure 5-8.
Figure 5-9, click the
Table 5-6 to the
Begin End
Response Response
−27.5 dB −27.5 dB
−21.5 dB −21.5 dB
−17 dB −17 dB
−14.5 dB −14.5 dB