Instruction Manual

Version 08.00, June 2011
6 Rohde & Schwarz R&S
®
FSH4/FSH8 Spectrum Analyzer
Level measurement uncertainty
Absolute level uncertainty at 100 MHz +20 °C to +30 °C < 0.3 dB
9 kHz ≤ f < 100 kHz
(models .04/.14/.08/.18 only)
nominal < 1.5 dB
100 kHz ≤ f < 10 MHz nominal < 1.5 dB
10 MHz ≤ f ≤ 3.6 GHz < 1 dB
Frequency response (+20 °C to +30 °C)
3.6 GHz < f ≤ 8 GHz < 1.5 dB
Attenuator uncertainty < 0.3 dB
Uncertainty of reference level setting nominal < 0.1 dB
Display nonlinearity SNR > 16 dB, 0 dB to –50 dB,
logarithmic level display
< 0.2 dB
Bandwidth switching uncertainty reference: RBW = 10 kHz nominal < 0.1 dB
95 % confidence level, +20 °C to +30 °C,
SNR > 16 dB, 0 dB to –50 dB below reference level, RF attenuation auto
10 MHz ≤ f ≤ 3.6 GHz < 1 dB, typ. 0.5 dB
Total measurement uncertainty
3.6 GHz < f ≤ 8 GHz < 1.5 dB, typ. 1 dB
Trigger functions
Trigger
Trigger source free run, video, external
low → high transition 2.4 V External trigger level threshold
high → low transition 0.7 V
Gated trigger
Gate source external
Gate delay 10 µs to 100 s, min. resolution 10 µs
(or 1 % of delay)
Gate length 10 µs to 100 s, min. resolution 10 µs
(or 1 % of gate length)