Instruction Manual

Version 08.00, June 2011
20 Rohde & Schwarz R&S
®
FSH4/FSH8 Spectrum Analyzer
R&S
®
FSH-Z44 directional power sensor
Frequency range 200 MHz to 4 GHz
Power measurement range 30 mW to 300 W
VSWR referenced to 50 Ω 200 MHz to 3 GHz < 1.07
3 GHz to 4 GHz < 1.12
Power-handling capacity depending on temperature and matching
(see diagram on page 21)
120 W to 1000 W
200 MHz to 1.5 GHz < 0.06 dB Insertion loss
1.5 GHz to 4 GHz < 0.09 dB
200 MHz to 3 GHz > 30 dB Directivity
3 GHz to 4 GHz > 26 dB
Average power
CF: ratio of peak envelope power to average power
CW, FM, PM, FSK, GMSK 30 mW to 300 W
3GPP WCDMA, cdmaOne,
CDMA2000
®
, DAB, DVB-T
30 mW to 120 W
Power measurement range
other modulated signals 30 mW to 300 W/CF
sine signal, +18 °C to +28 °C, no zero offset
200 MHz to 300 MHz 4.0 % of measured value (0.17 dB)
Measurement uncertainty
300 MHz to 4 GHz 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)
π/4-DQPSK ±2 % of measured value (±0.09 dB)
EDGE ±0.5 % of measured value (±0.02 dB)
4
cdmaOne, DAB ±1 % of measured value (±0.04 dB)
4
3GPP WCDMA, CDMA2000
®
±2 % of measured value (±0.09 dB)
4
Range of typical measurement error
with modulation
DVB-T ±2 % of measured value (±0.09 dB)
4
200 MHz to 300 MHz 0.40 %/K (0.017 dB/K) Temperature coefficient
300 MHz to 4 GHz 0.25 %/K (0.011 dB/K)
Max. peak envelope power
Power measurement range
DAB, DVB-T, cdmaOne, CDMA2000
®
,
3GPP WCDMA
4 W to 300 W
4 kHz 0.4 W to 300 W
200 kHz 1 W to 300 W
Other signals at video bandwidth
4 MHz 2 W to 300 W
Measurement uncertainty +18 °C to +28 °C same as for average power plus effect of
peak hold circuit
duty cycle ≥ 0.1 and repetition rate ≥ 100/s
video bandwidth 4 kHz ±(3 % of measured value + 0.05 W)
starting from a burst width of 100 µs
video bandwidth 200 kHz ±(3 % of measured value + 0.20 W)
starting from a burst width of 4 µs
video bandwidth 4 MHz ±(7 % of measured value + 0.40 W)
starting from a burst width of 1 µs
20/s ≤ repetition rate < 100/s plus ±(1.6 % of measured value + 0.15 W)
0.001 ≤ duty cycle < 0.1 plus ±0.10 W
burst width ≥ 0.5 µs plus ±5 % of measured value
Error limits of peak hold circuit for burst
signals
burst width ≥ 0.2 µs plus ±10 % of measured value
video bandwidth 4 MHz and standard selected on the R&S
®
FSH4/R&S
®
FSH8
cdmaOne, DAB ±(5 % of measured value + 0.4 W)
Range of typical measurement error of
peak hold circuit
DVB-T, CDMA2000
®
, 3GPP WCDMA ±(15 % of measured value + 0.4 W)
200 MHz to 300 MHz 0.50 %/K (0.022 dB/K) Temperature coefficient
300 MHz to 4 GHz 0.35 %/K (0.015 dB/K)
4
If standard is selected on the R&S
®
FSH4/R&S
®
FSH8.