Corrected System Performance for 75 Ω Measurements with 11852B
50 to 75 Ω Minimum-Loss Pads (Supplemental Information)
Option 230/235/240/245/260/265/280/285/430/435/440/445/
460/465/480/485
Table 55. Corrected system performance with type-N 75 Ω device connectors,
85036E calibration kit
Network analyzer:
calibration kit:
50 to 75 Ω adapters:
calibration:
E5071C
85036E (type-N 75 Ω)
11852B
full 2-port
IF bandwidth = 10 Hz, no averaging applied to data, environmental temperature = 23° C
5° C with ꢀ 1° C deviation from calibration temperature, isolation calibration performed
Typical (dB)
Description
Directivity
10 MHz to 3 GHz
37
Source match
Load match
33
39
Reflection tracking
Transmission tracking
0.015
0.019
Transmission uncertainty 10 MHz to 3 GHz (typical)
Magnitude
Phase
Transmission using 85036E and 11852B
10
Transmission using 85036E and 11852B
100
1
10
1
0.1
10 MHz to 3 GHz
S11 = S22 = 0; Source power = –10 dBm
0.01
10 MHz to 3 GHz
S11 = S22 = 0; Source power = –10 dBm
0.1
10
0
–10 –20 –30 –40 –50 –60 –70 –80 –90
Transmission coefficient (dB)
10
0
–10 –20 –30 –40 –50 –60 –70 –80 –90
Transmission coefficient (dB)
Reflection uncertainty 10 MHz to 3 GHz (typical)
Magnitude
Phase
Reflection using 85036E and 11852B
Reflection using 85036E and 11852B
0.1
10
8
10 MHz to 3 GHz
10 MHz to 3 GHz
0.08
S21 = S12 = 0; Source power = –10 dBm
S21 = S12 = 0; Source power = –10 dBm
6
0.06
4
0.04
0.02
0
2
0
0
0.2
0.4
0.6
0.8
1
0
0.2
0.4
0.6
0.8
1
Reflection coefficient (linear)
Reflection coefficient (linear)
63
HP [ HEWLETT-PACKARD ]
