
Match Measurement
Peak Envelope Power
Measurement Range:
Return Loss
Rho (ρ)
VSWR
0 to 23 dB
0.07 to 1.0
1.15 to 99.9
Forward Power, Min 0.5 W
Measurement Uncert. See Figure 6 on page 8
Figure 6
Match
Measure
Uncertainty
RF Power Range 4.0 – 400 W
*
* Max. power depends on frequency and system VSWR. See Figure 7 on page 9
Measurement Uncert.:
burst width > 200 µs
1 µs < b.w. < 200 µs
burst width < 1 µs
burst width < 0.5 µs
± (7% of reading + 0.2 W)
†
± (10% of reading + 0.4 W)
†
± (15% of reading + 0.4 W)
†
± (20% of reading + 0.4 W)
†
† Above 35 °C or below 15 °C add 3%
For D < 0.1 add 0.1 W
For period > 0.1s add (1.5% + 0.15 W)
Return Loss (dB)
4
2
0
–2
–4
–6
Uncertainty (dB)
Above 3 GHz
Below 3 GHz
Match Measurement Uncertainty
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