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Test Procedure
NOTE
Installation
System Operational Test
Setup
1. Perform a factory preset, using the key sequence:
[RECALL] {MORE} {FACTORY PRESET}
(This sets up the system to measure across its entire frequency range, at
−
a
15 dBm RF level.)
2. Turn averaging off, using the key sequence:
RESPONSE [MENU] {AVERAGING OFF}
3. Connect shorts to both test ports (for the purposes of this test, any of the
shorts in the 85059A 1.0 mm calibration kit will serve).
Measurement
1. Measure the a1 IF, using the key sequence:
PARAMETER [MENU] {USER 1 a1}
{REDEFINE PARAMETERS} {DRIVE} {PORT1} {REDEFINE DONE}
At the default reference level setting (0 dB), the entire trace may not be
visible on the screen. To change the reference value, press
, and adjust the value using the up/down arrow keys
RESPONSE [REF VALUE]
−
(
20 dB is the recommended setting). This adjustment will have to be made
repeatedly, because each of the user parameters starts out at the default
reference level.
2. Compare the measured levels with the minimum levels shown in
Table 2-14 on page
2-41.
3. Measure the b1 IF, using the key sequence:
PARAMETER [MENU] {USER 4 b1}
{REDEFINE PARAMETERS} {DRIVE} {PORT1} {REDEFINE DONE}
4. Compare the measured levels with the minimum levels shown in
Table 2-14 on page
2-41.
5. Measure the a2 IF, using the key sequence:
PARAMETER [MENU] {USER 3 a2}
{REDEFINE PARAMETERS} {DRIVE} {PORT2} {REDEFINE DONE}
6. Compare the measured levels with the minimum levels shown in
Table 2-14 on page
2-41.
7. Measure the b2 IF, using the key sequence:
PARAMETER [MENU] {USER 2 b2}
{REDEFINE PARAMETERS} {DRIVE} {PORT2} {REDEFINE DONE}
8. Compare the measured levels with the minimum levels shown in
Table 2-14 on page
2-41.
2-40 8510XF Network Analyzer Systems
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