Atec Rohde-Schwarz-FSW - Manual (Page 14)

Version 05.01, December 2012
14 Rohde & Schwarz R&S ® FSW Signal and Spectrum Analyzer
Attenuator switching uncertainty f = 64 MHz, 0 dB to 70 dB,
referenced to 10 dB attenuation < 0.2 dB (σ = 0.07 dB)
Uncertainty of reference level setting input mixer level ≤ –15 dBm 0 dB 6
input mixer level > –15 dBm < 0.1 dB (nom.)
Bandwidth switching uncertainty referenced to RBW = 10 kHz < 0.1 dB (σ = 0.04 dB)
Nonlinearity of displayed level
Logarithmic level display
S/N > 16 dB, 0 dB ≤ level ≤ –70 dB < 0.1 dB (σ = 0.04 dB)
S/N > 16 dB, –70 dB < level ≤ –90 dB < 0.2 dB (σ = 0.08 dB)
Linear level display S/N > 16 dB, 0 dB to –70 dB < 5 % of reference level (nom.)
Total measurement uncertainty
YIG preselector on
signal level = 0 dB to –70 dB below reference level, S/N > 20 dB, sweep time = “auto”,
RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB, RF preamplifier off,
electronic attenuator off, span/RBW < 100, 95 % confidence level, +20 °C to +30 °C
9 kHz ≤ f ≤ 10 MHz ±0.37 dB
10 MHz < f ≤ 3.6 GHz ±0.27 dB
3.6 GHz < f ≤ 8 GHz ±0.37 dB
8 GHz < f ≤ 22 GHz ±1.4 dB
22 GHz < f ≤ 26.5 GHz ±1.7 dB
26.5 GHz < f ≤ 43.5 GHz ±2.5 dB
YIG preselector off signal level = 0 dB to –70 dB below reference level, S/N > 20 dB, sweep time = “auto”,
RF attenuation = 10 dB, 20 dB, 30 dB, 40 dB, RF preamplifier off,
electronic attenuator off, span/RBW < 100, 95 % confidence level, +20 °C to +30 °C
8 GHz ≤ f ≤ 22 GHz ±1.0 dB
22 GHz < f ≤ 26.5 GHz ±1.2 dB
26.5 GHz < f ≤ 43.5 GHz ±1.7 dB
Adjacent channel power dynamic range
Adjacent channel leakage ratio (ACLR) 3GPP WCDMA, single carrier, 1 DPCH, carrier frequency = 2 GHz
noise cancellation off 7
1st adjacent channel –76 dB (nom.)
2nd adjacent channel –82 dB (nom.)
noise cancellation on
1st adjacent channel –88 dB (nom.)
2nd adjacent channel –90 dB (nom.)
Optimum mixer level 3GPP WCDMA, single carrier, 1 DPCH, carrier frequency = 2 GHz
noise cancellation off
1st adjacent channel –5 dBm (nom.)
2nd adjacent channel 0 dBm (nom.)
noise cancellation on
1st adjacent channel –12 dBm (nom.)
2nd adjacent channel –5 dBm (nom.)
Measurement speed 8
Local measurement and display update
rate 1001 sweep points 1.25 ms (800/s) (meas.)
Remote measurement, 1000 sweep
averages
9
1001 sweep points 1.0 ms (1000/s) (meas.)
Remote measurement and LAN transfer 8 5 ms (200/s) (meas.)
Marker peak search 1.7 ms (meas.)
Center frequency tune and transfer 8 f ≤ 8 GHz 15 ms (meas.)
f > 8 GHz 65 ms (meas.)
6 The reference level setting affects only the graphical representation of the measurement result on the display, not the measurement itself.
The reference level setting causes no additional uncertainty in measurement results.
7 Noise cancellation off represents the raw performance of the R&S ® FSW without numeric compensation for its inherent noise.
8 Sweep points set to 1001 points (= default), sweep optimization set to “speed”.
9 Measured with PC equipped with Intel ® Core™ i7 CPU 2.8 GHz and Gbit LAN interface.