Instruction Manual

Version 08.00, June 2011
18 Rohde & Schwarz R&S
®
FSH4/FSH8 Spectrum Analyzer
Accessories
R&S
®
FSH-Z1 and R&S
®
FSH-Z18 power sensors
R&S
®
FSH-Z1 10 MHz to 8 GHz Frequency range
R&S
®
FSH-Z18 10 MHz to 18 GHz
10 MHz to 30 MHz < 1.15
30 MHz to 2.4 GHz < 1.13
2.4 GHz to 8 GHz < 1.20
VSWR
8 GHz to 18 GHz < 1.25
average power 400 mW (+26 dBm) Maximum input power
peak power (< 10 µs, 1 % duty cycle) 1 W (+30 dBm)
Measurement range 200 pW to 200 mW
(–67 dBm to +23 dBm)
Signal weighting average power
Effect of harmonics < 0.5 % (0.02 dB)
at harmonic ratio of 20 dB
Effect of modulation < 1.5 % (0.07 dB)
for continuous digital modulation
Absolute measurement uncertainty sine signals, no zero offset
+15 °C to +35 °C < 2.3 % (0.10 dB) 10 MHz to 8 GHz
0 °C to +50 °C < 4.2 % (0.18 dB)
+15 °C to +35 °C < 3.5 % (0.15 dB) 8 GHz to 18 GHz
0 °C to +50 °C < 5.0 % (0.21 dB)
Zero offset after zeroing < 110 pW
48 mm × 31 mm × 170 mm
(1.9 in × 1.22 in × 6.7 in)
Dimensions (W × H × D)
connecting cable 1.5 m (59 in)
Weight < 0.3 kg (0.66 lb)
R&S
®
FSH-Z14 directional power sensor
Frequency range 25 MHz to 1 GHz
Power measurement range 30 mW to 300 W
VSWR referenced to 50 Ω < 1.06
Power-handling capacity depending on temperature and matching
(see diagram on page 19)
100 W to 1000 W
Insertion loss < 0.06 dB
Directivity > 30 dB
Average power
Power measurement range
CW, FM, PM, FSK, GMSK CF: ratio of peak envelope 30 mW to 300 W
Modulated signals power to average power 30 mW to 300 W/CF
Measurement uncertainty
25 MHz to 40 MHz sine signal 4.0 % of measured value (0.17 dB)
40 MHz to 1 GHz +18 °C to +28 °C, no zero offset 3.2 % of measured value (0.14 dB)
Zero offset after zeroing ±4 mW
FM, PM, FSK, GMSK 0 % of measured value (0 dB)
AM (80 %) ±3 % of measured value (±0.13 dB)
two CW carriers with identical power ±2 % of measured value (±0.09 dB)
Range of typical measurement error
with modulation
EDGE, TETRA ±0.5 % of measured value (±0.02 dB)
3
25 MHz to 40 MHz 0.40 %/K (0.017 dB/K) Temperature coefficient
40 MHz to 1 GHz 0.25 %/K (0.011 dB/K)
3
If standard is selected on the R&S
®
FSH4/R&S
®
FSH8.