Data Sheet
R&S
®
FSH3 and R&S
®
FSH6
1145.5973.12 TI.8
E-11
Measurement uncertainty
18 °C to 28 °C
same as for average power plus effect of peak hold
circuit
Error limits of peak hold
circuit for burst signals
Duty
cycle
≥
0.1 and
repetition
rate
≥
100/s
20/s
≤
repetition rate <
100/s
0.001
≤
duty cycle < 0.1
Burst
width
≥
0.5 µs
Burst
width
≥
0.2 µs
video bandwidth 4 kHz
200
kHz
4
MHz
±(3 % of measured value + 0.05 W) starting from a
burst width of 100 µs
±(3 % of measured value + 0.20 W) starting from a
burst width of 4 µs
±(7 % of measured value + 0.40 W) starting from a
burst width of 1 µs
plus ±(1.6 % of measured value + 0.15 W)
plus ± 0.10 W
plus ± 5 % of measured value
plus ± 10 % of measured value
Range of typical measure-
ment error of peak hold
circuit
for
cdmaOne, DAB
DVB-T, CDMA2000,
3GPP
WCDMA
video bandwidth 4 MHz
and standard selected on
the R&S
®
FSH
±(5% of measured value + 0.4 W)
±(15% of measured value + 0.4 W)
Temperature
coefficient
200 MHz to 300 MHz
300 MHz to 4 GHz
0.50 %/K (0.022 dB/K)
0.35 %/K (0.015 dB/K)
Load matching
Matching measurement range
Return loss
200 MHz to 3 GHz
3 GHz to 4 GHz
VSWR
200 MHz to 3 GHz
3 GHz to 4 GHz
0 dB to 23 dB
0 dB to 20 dB
>1.15
>1.22
Minimum forward power
specs met from 0.2 W
0.03 W
Error limits for matching
measurements
dB
0
5
10
15
20
25
Return loss
0.2 GHz to 3 GHz
3 GHz to 4 GHz
-4
-2
0
2
4
6
M
easur
em
ent
er
ro
r
dB
