¸FSH3
¸FSH6
Directional Power Sensor ¸FSH-Z
Frequency range
200 MHz to 4 GHz
Power measurement range
30 mW to 120 W (300 W with unmodulated envelope)
VSWR referenced to 50
W
200 MHz to 3 GHz
3 GHz to 4 GHz
<1.07
<1.12
Power-handling capacity
depending on temperature
and matching
(see diagram below)
120 W to 1000 W
Insertion loss
200 MHz to 1.5 GHz
1.5 GHz to 4 GHz
<0.06 dB
<0.09 dB
Directivity
200 MHz to 3 GHz
3 GHz to 4 GHz
>30 dB
>26 dB
Signal weighting
average power
Measurement uncertainty
200 MHz to 300 MHz
300 MHz to 4 GHz
sine signals,
+18 °C to +28 °C,
no zero offset
4 % of measured value (0.17 dB)
3.2 % of measured value (0.14 dB)
Zero offset
after zeroing
±4 mW
Range of typical measurement error with
modulation
FM, PM, FSK, GMSK
AM (80 %)
cdmaOne, DAB
3GPP WCDMA, CDMA2000®
DVB-T
π
/4-DQPSK
if standard is selected
on ¸FSH
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±1 % of measured value (±0.04 dB)
±2 % of measured value (±0.09 dB)
±2 % of measured value (±0.09 dB)
±2 % of measured value (±0.09 dB
Temperature coefficient
200 MHz to 300 MHz
300 MHz to 4 GHz
0.40 %/K (0.017 dB/K)
0.25 %/K (0.011 dB/K)
Peak envelope power
Power measurement range
DAB, DVB-T, cdmaOne,
CDMA2000®, 3GPP WCDMA
Video bandwidth
4 kHz
200 kHz
4 MHz
4 W to 300 W
0.4 W to 300 W
1 W to 300 W
2 W to 300 W
Measurement uncertainty
+18 °C to +28 °C
same as for average power plus effect of peak hold circuit
Accuracy 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) at burst width
≥
100 µs
±(3 % of measured value + 0.20 W) at burst width
≥
4 µs
±(7 % of measured value + 0.40 W) at burst width
≥
1 µs
±(1.6 % of measured value + 0.15 W)
±0.10 W
±5 % of measured value
±10 % of measured value
Range of typical measurement error of peak
hold circuit for cdmaOne, DAB
DVB-T, CDMA2000®, 3GPP WCDMA
video bandwidth 4 MHz
and standard selected on
the ¸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)
Handheld Spectrum Analyzer ¸FSH
16