R&S ZVA8 - Page 421

R&S ZVA Repairs
1177.5333.02 3.113 E-11
 Screw the OPEN from the calibration kit to the port connector.
 Select User Def Math : (lin Mag(Data) + (linMag(Mem2)) / 2 , activate Result is Wave Quantity
 Select Math = User Def
Frequency
Level
level ax and bx (ZVA40)
level ax and bx (ZVA50)
10 MHz
0 dBm
> -2 dBm
> -2 dBm
100 MHz
0 dBm
> -2 dBm
> -2 dBm
1 GHz
0 dBm
> -2 dBm
> -2 dBm
3 GHz
0 dBm
> -2 dBm
> -2 dBm
8 GHz
0 dBm
> -2 dBm
> -2 dBm
10 GHz
0 dBm
> -2 dBm
> -2 dBm
12 GHz
0 dBm
> -2 dBm
> -2.5 dBm
15 GHz
0 dBm
> -2 dBm
> -2.5 dBm
18 GHz
0 dBm
> -2 dBm
> -2.5 dBm
20 GHz
0 dBm
> -2 dBm
> -2.5 dBm
25 GHz
0 dBm
> -2.5 dBm
> -3 dBm
30 GHz
0 dBm
> -2.5 dBm
> -3 dBm
35 GHz
0 dBm
> -3 dBm
> -3 dBm
40 GHz
0 dBm
> -3 dBm
> -3 dBm
45 GHz
0 dBm
--------
> -3.5 dBm
50 GHz
0 dBm
--------
> -3.5 dBm
With the stated levels, the cable loss must still be taken into account.
If the measured values are more than 2 dB below the levels given in the table, the coupler unit must be
replaced.