| Rohde & Schwarz FSH-Z44 Specifications |
| 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
3 GHz to 4 GHz |
< 1.07
< 1.12 |
| Power-handling capacity |
depending on temperature and matching
(see diagram on page 34) |
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 |
| Average power |
| Power measurement range |
120 W to 1000 W |
120 W to 1000 W |
| 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 |
| Range of typical measurement error with modulation |
FM, PM, FSK, GMSK
AM (80 %)
two CW carriers with identical power
EDGE, TETRA |
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±2 % of measured value (±0.09 dB)
±0.5 % of measured value (±0.02 dB) 12 |
| Temperature coefficient |
CF: ratio of peak envelope power to average power |
CW, FM, PM, FSK, GMSK
LTE, 3GPP WCDMA, cdmaOne, CDMA2000® , DAB, DVB-T
other modulated signals |
30 mW to 300 W
30 mW to 120 W
30 mW to 300 W/CF |
| Measurement uncertainty |
sine signal, +18 °C to +28 °C, no zero offset |
200 MHz to 300 MHz
300 MHz to 4 GHz |
4.0 % 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 %)
two CW carriers with identical power
π/4-DQPSK
EDGE
cdmaOne, DAB
3GPP WCDMA, CDMA2000®
DVB-T |
0 % of measured value (0 dB)
±3 % of measured value (±0.13 dB)
±2 % of measured value (±0.09 dB)
±2 % of measured value (±0.09 dB)
±0.5 % of measured value (±0.02 dB) 13
±1 % of measured value (±0.04 dB) 13
±2 % of measured value (±0.09 dB) 13
±2 % of measured value (±0.09 dB) 13 |
| 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) |
| 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
200 kHz
4 MHz |
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 |
| Error limits of peak hold circuit for burst signals |
duty cycle ≥ 0.1 and repetition rate ≥ 100/s asd |
video bandwidth 4 kHz
video bandwidth 200 kHz
video bandwidth 4 MHz
20/s ≤ repetition rate < 100/s
0.001 ≤ duty cycle < 0.1
burst width ≥ 0.5 µs
burst width ≥ 0.2 µs |
±(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 measurement error of peak hold circuit |
video bandwidth 4 MHz and standard selected on the R&S®FSH4/FSH8/FSH13/FSH20 |
cdmaOne, DAB
DVB-T, CDMA2000® , 3GPP WCDMA |
±(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 |
0 dB to +23 dB |
| VSWR |
3 GHz to 4 GHz |
0 dB to +20 dB |
| VSWR |
200 MHz to 3 GHz
3 GHz to 4 GHz |
> 1.15
> 1.22 |
| Minimum forward power |
specifications complied with ≥ 0.2 W |
0.03 W |
| Dimensions (W × H × D) |
120 mm × 95 mm × 39 mm
(4.72 in × 3.74 in × 1.53 in) |
| connecting cable |
1.5 m (59 in) |
| Weight |
0.65 kg (1.43 lb) |