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Fsh-z44 directional power sensor – Atec Rohde-Schwarz-FSH Series User Manual

Page 25

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Version 15.01, July 2013

Rohde & Schwarz R&S

®

FSH4/R&S

®

FSH8/R&S

®

FSH13/ R&S

®

FSH20 Spectrum Analyzer 25

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 22)

120 W to 1000 W

Insertion loss

200 MHz to 1.5 GHz

< 0.06 dB

1.5 GHz to 4 GHz

< 0.09 dB

Directivity

200 MHz to 3 GHz

> 30 dB

3 GHz to 4 GHz

> 26 dB

Average power
Power measurement range

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

other modulated signals

30 mW to 300 W/CF

Measurement uncertainty

sine signal, +18 °C to +28 °C, no zero offset

200 MHz to 300 MHz

4.0 % of measured value (0.17 dB)

300 MHz to 4 GHz

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

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

DVB-T

±2 % of measured value (±0.09 dB)

4

Temperature coefficient

200 MHz to 300 MHz

0.40 %/K (0.017 dB/K)

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

Other signals at video bandwidth

4 kHz

0.4 W to 300 W

200 kHz

1 W to 300 W

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

Error limits of peak hold circuit for burst
signals

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

burst width ≥ 0.2 µs

plus ±10 % of measured value

Range of typical measurement error of
peak hold circuit

video bandwidth 4 MHz and standard selected on the R&S

®

FSH4/R&S

®

FSH8

cdmaOne, DAB

±(5 % of measured value + 0.4 W)

DVB-T, CDMA2000

®

, 3GPP WCDMA

±(15 % of measured value + 0.4 W)

Temperature coefficient

200 MHz to 300 MHz

0.50 %/K (0.022 dB/K)

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.