Atec Rohde-Schwarz-FSH Series - Manual (Page 8)

Version 15.01, July 2013
8 Rohde & Schwarz R&S ® FSH4/R&S ® FSH8/R&S ® FSH13/ R&S ® FSH20 Spectrum Analyzer
Vector network analysis/vector voltmeter
R&S ® FSH4/R&S ® FSH8 model .24/.28 with R&S ® FSH-K42/R&S ® FSH-K45 option
Frequency range R&S ® FSH4 model .24 300 kHz to 3.6 GHz
R&S ® FSH8 model .28 300 kHz to 8 GHz
Frequency resolution 1 Hz
Data points 631
Port power controlled via tracking generator
attenuation nominal 0 dBm to –40 dBm in 1 dB steps
Reflection measurement
Result formats
measurement mode = vector magnitude, phase, magnitude + phase,
VSWR, reflection coefficient, Smith chart,
cable loss, group delay, electrical length
measurement mode = vector voltmeter magnitude + phase, Smith chart
Return loss
Range selectable 1/2/5/10/20/50/100 dB, linear 100 %
Resolution 0.01 dB
Measurement uncertainty see figure “Uncertainty of reflection
measurement with the R&S
® FSH-K42/
R&S ® FSH-K45 option”
One-port phase
Range selectable 90/180/360/1000° to 10000° in 1/2/5 steps
Resolution 0.01°
Measurement uncertainty specifications are based on a matched DUT, RBW = 100 Hz, RF attenuation = 10 dB,
nominal source power = 0 dBm, +20 °C to +30 °C
300 kHz ≤ f ≤ 3.6 GHz
0 dB ≤ return loss < 15 dB nominal < 3°
15 dB ≤ return loss < 25 dB nominal < 6°
25 dB ≤ return loss < 35 dB nominal < 20°
3.6 GHz < f ≤ 8 GHz (R&S ® FSH8 only)
0 dB ≤ return loss < 15 dB nominal < 3°
15 dB ≤ return loss < 25 dB nominal < 6°
25 dB ≤ return loss < 35 dB nominal < 20°
VSWR
Range selectable 1 to 1.1, 1.5, 2, 6, 11, 21 or 71
Smith chart
Range 1, zoom Ч 2, Ч 4, Ч 8
Reflection coefficient
mRho range 1 to 1000 in 1, 2, 5 steps
Corrected directivity 300 kHz ≤ f ≤ 3 GHz nominal > 43 dB
3 GHz < f ≤ 6 GHz nominal > 37 dB
6 GHz < f ≤ 8 GHz nominal > 31 dB
Corrected test port match 300 kHz ≤ f ≤ 3 GHz nominal > 40 dB
3 GHz < f ≤ 6 GHz nominal > 37 dB
6 GHz < f ≤ 8 GHz nominal > 30 dB
Uncertainty of reflection measurement with R&S®FSH-K42/-K45 option
-3
-2
-1
0
1
2
3
0 5 10 15 20 25 30
Return Loss / dB
Mea
sur
em
en
t
un
cer
ta
in
ty
/
d
B
300 kHz ≤ f ≤ 3 GHz
3 GHz < f ≤ 6 GHz
6 GHz < f ≤ 8 GHz
Uncertainty of reflection measurement with the R&S ® FSH-K42/R&S ® FSH-K45 option.