R&S ZVA24, Руководство по обслуживанию

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Repairs R&S ZVA
1177.5333.02 3.110 E-11
Testing the Reflectometer RM44 and RM50
Generator levels
It is assumed that the synthesizer section (synthesizer1) associated with the reflectometer to be tested
is OK.

Loosen cable W514A (GEN -> coupler unit) or W512 (GEN -> attenuator) at both ends and screw
off at the generator output GEN.

Connect the generator output to the spectrum analyzer using the K-cable (ZVA40) or V-cable
(ZVA50).

Set the ZVA to the CW sweep mode.

Set the frequencies listed in the table.

Set the power listed in the table.
Frequency Set power to
(without
GenAtt)
Set power to
(with GenAtt)
Level on GEN
output
2nd harmonic 3rd harmonic
10 MHz 10 dBm 9 dBm 12.0 dBm --- ---
50 MHz 10 dBm 9 dBm 12.0 dBm < - 21 dBc < - 21 dBc
1 GHz 10 dBm 9 dBm 12.0 dBm < - 21 dBc < - 21 dBc
4 GHz 10 dBm 9 dBm 12.0 dBm < - 21 dBc < - 21 dBc
8 GHz 10 dBm 9 dBm 12.0 dBm < - 21 dBc < - 21 dBc
10 GHz 10 dBm 9 dBm 14.0 dBm < - 21 dBc < - 21 dBc
13 GHz 10 dBm 9 dBm 14.0 dBm < - 21 dBc < - 21 dBc
15 GHz 10 dBm 8 dBm 14.0 dBm < - 21 dBc < - 21 dBc
18 GHz 10 dBm 8 dBm 14.0 dBm < - 21 dBc < - 21 dBc
20 GHz 10 dBm 8 dBm 14.0 dBm < - 21 dBc ---
24 GHz 10 dBm 8 dBm 14.5 dBm < - 21 dBc ---
28 GHz 10 dBm 7 dBm 14.5 dBm < - 21 dBc ---
32 GHz 10 dBm 7 dBm 14.5 dBm --- ---
36 GHz 6 dBm 3 dBm 10.5 dBm --- ---
40 GHz 6 dBm 3 dBm 10.5 dBm --- ---
45 GHz (ZVA50 only) 6 dBm 3 dBm 10.5 dBm --- ---
50 GHz (ZVA50 only) 6 dBm 3 dBm 10.5 dBm --- ---
With the stated levels, the cable loss must still be taken into account.
Receiver levels
The following is assumed:

The LO synthesizer section (synthesizer1 mod. 20, synthesizer2) associated with the
reflectometer to be tested is OK.

The network controller associated with the reflectometer to be tested is OK.

One reflectometer in the instrument is functioning.