Atec Rohde-Schwarz-FSW - Manual (Page 15)

Version 05.01, December 2012
Rohde & Schwarz R&S ® FSW Signal and Spectrum Analyzer 15
Trigger functions
Trigger
Trigger source
free run, video, external, IF power,
RF power
Trigger offset span ≥ 10 Hz 5 ns to 20 s
span = 0 Hz (–sweep time) to 20 s
Min. trigger offset resolution span > 0 Hz 5 ns
span = 0 Hz, trigger offset > 0 5 ns
span = 0 Hz, trigger offset < 0 sweep time/number of sweep points
Max. deviation of trigger offset 5 ns
IF power trigger
Sensitivity
min. signal power –60 dBm + RF attenuation –
RF preamplifier gain (nom.)
max. signal power –10 dBm + RF attenuation –
RF preamplifier gain (nom.)
IF power trigger bandwidth RBW > 500 kHz 20 MHz (nom.) 10
RBW ≤ 500 kHz, FFT 20 MHz (nom.)
RBW ≤ 500 kHz, swept 6 MHz (nom.)
RF power trigger
Sensitivity
min. signal power –30 dBm + RF attenuation –
RF preamplifier gain (nom.)
max. signal power +10 dBm + RF attenuation –
RF preamplifier gain (nom.)
RF power trigger bandwidth f ≤ 8 GHz 8 GHz (nom.)
f > 8 GHz 500 MHz (nom.) 11
Gated sweep
Gate source
video, external, IF power, RF power
Gate delay 5 ns to 20 s, min. resolution 5 ns
Gate length 5 ns to 20 s, min. resolution 5 ns
Max. deviation of gate length ±5 ns
Audio demodulator
Demodulation
AF demodulation types
AM and FM
Audio output loudspeaker and phone jack
Marker stop time in spectrum mode 100 ms to 60 s
I/Q data
Memory length max. 400 Msample I and Q
Word length of I/Q samples sampling rate > 100 MHz or
number of samples > 300 Msample 18 bit
otherwise 24 bit
Sampling rate 100 Hz to 200 MHz
Max. signal analysis bandwidth
(equalized) standard 10 MHz
with R&S ® FSW-B28 option 28 MHz (nom.) 11
with R&S ® FSW-B40 option 40 MHz (nom.) 11
with R&S ® FSW-B80 option 80 MHz (nom.) 11
with R&S ® FSW-B160 option 160 MHz (nom.) 11
10 Sweep optimization = “auto”.
11 YIG preselector off for f ≥ 8 GHz.