6-56
Performance Tests – Option 011
15. Receiver Phase Compression
In Case of
Difficulty
WARNING These servicing instructions are for use by qualified personnel only.
To avoid electrical shock, do not perform any servicing unless you are
qualified to do so.
WARNING The opening of covers or removal of parts is likely to expose
dangerous voltages. Disconnect the instrument from all voltage
sources while it is being opened.
WARNING The power cord is connected to i nternal capacitors that may remain
live for five seconds after disconnecting the plug from its power
supply.
1If the analyzer fails the channel A compression test, suspect the A5 A sampler
assembly. Repeat this test. Replace the sampler assembly if the problem still
exists.
2Suspect the A6 B sampler assembly if the analyzer fails the channel B
compression test. Repeat this test. Exchange the sampler assembly if the
failure still occurs.
15. Receiver Phase Compression
Perform this test to verify the compression/expansion phase relationships of
the analyzer’s receiver samplers.
Required
Equipment
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 437B/438A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Agilent 8482A
Attenuator, 3 dB. . . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 8491A Option 003
Attenuator, 10 dB. . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 8491A Option 010
Attenuator, 20 dB. . . . . . . . . . . . . . . . . . . . . . . . . . . Agilent 8491A Option 020
Cable (2), 50Ω, Type-N, 24-inch . . . . . . . . . . . . . . . . . .Agilent P/N 8120-4781
2-way Power Splitter (2), 50Ω. . . . . . . . . . . . . . . . . . . . . . . . . .Agilent 11667A
Adapter, Type-N (m) to Type-N (m) . . . . . . . . . . . . . .Agilent P/N 1250-1475
Additional Required Equipment for Analyzers with Option 006
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Agilent 8481A