11-8 Service Guide
Error Terms 8719ET/20ET/22ET
Error Term Inspection 8719ES/20ES/22ES
RF Network Analyzers
Uncorrected Performance
The following tables show typical performance without error-correction. RF cables are not
used except as noted. Related error terms should be within these values.
Table 11-3 8719ET/ES and 8720ET/ES Uncorrected Port Performance
Parameter and Option Frequency Range
0.05 to 0.5 GHz 0.5 to 2 GHz 2 to 8 GHz 8 to 20 GHz
Directivity (ES and ET models)
1
1. Does not include the effect of the cable set on the test ports.
24 dB 27 dB 21 dB 16 dB
Source Match (ES Standard)
1
12 dB 12 dB 10 dB 8 dB
Source Match (ET Standard)
1
16 dB 20 dB 14 dB 11 dB
Source Match (ES Option 400)
1
20 dB 20 dB 11 dB 10 dB
Source Match (ES Option 007)
1
16 dB 20 dB 14 dB 11 dB
Source Match (ES Option 085)
1
16 dB 18 dB 14 dB 8 dB
Load Match (ES Standard)
1
22 dB 20 dB 12 dB 10 dB
Load Match (ET Standard)
1
22 dB 22 dB 22 dB 17 dB
Load Match (ES Option 400)
1
20 dB 17 dB 12 dB 10 dB
Load Match (ES Option 007)
1
26 dB 24 dB 15 dB 12 dB
Load Match (ES Option 085)
1
26 dB 24 dB 15 dB 10 dB
Reflection Tracking
(ES and ET models)
2
2. Excludes roll-off below 500 MHz, which is typically −18 dB at 100 MHz, and −25 dB at
50 MHz.
±3 dB ±3 dB ±3 dB ±3 dB
Transmission Tracking
(ES
2
and ET
1
models)
±3 dB ±3 dB ±3 dB ±3 dB
Crosstalk (ES models)
3
3. Measurement Conditions: normalized to a thru, measured with two shorts, 10Hz IF
bandwidth, averaging factor of 8, alternate mode, source power set to the lesser of maximum
power out or the maximum receiver power.
75 dB
4
4. Limited by noise floor.
95 dB 91 dB 86 dB
Crosstalk (ET models)
3
101 dB 101 dB 101 dB 93 dB
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