Instruction Manual

Version 08.00, June 2011
Rohde & Schwarz R&S
®
FSH4/FSH8 Spectrum Analyzer 7
Inputs and outputs
RF input
Impedance 50 Ω
Connector N female
100 kHz ≤ f ≤ 1 GHz nominal < 1.5
1 GHz < f ≤ 6 GHz nominal < 2
VSWR
6 GHz < f ≤ 8 GHz nominal < 3
Input attenuator RF input only 0 dB to 40 dB in 5 dB steps
AF output
AF demodulation types AM and FM
Connector 3.5 mm mini jack
Output impedance nominal 32 Ω
Voltage (open circuit) V
RMS
adjustable from 0 V to > 100 mV
Power sensor
Connector 7-contact female (type Binder 712)
Power sensors supported see accessories
Tracking generator (models .14/.18/.24/.28 only)
models .14 and .24 100 kHz to 3.6 GHz Frequency range
models .18 and .28 100 kHz to 8 GHz
Connector N female, 50 Ω
100 kHz ≤ f ≤ 1 GHz nominal < 1.5
1 GHz < f ≤ 6 GHz nominal < 2
VSWR
6 GHz < f ≤ 8 GHz, models .18 and .28 nominal < 3
Output level tracking generator attenuation = 0 dB nominal 0 dBm
Tracking generator attenuator 0 dB to 40 dB in 1 dB steps
RF attenuation = 0 dB, tracking generator attenuation = 10 dB, RBW = 1 kHz
100 kHz ≤ f < 300 kHz > 60 dB, typ. 80 dB
300 kHz ≤ f < 6 GHz > 70 dB, typ. 90 dB
Dynamic range for isolation
measurements
6 GHz ≤ f < 8 GHz, models .18 and .28 typ. > 50 dB
Reverse power
DC voltage 50 V
CW RF power +20 dBm (= 0.1 W)
Max. pulse voltage 50 V
Max. pulse energy (10 µs) 1 mWs
External reference, external trigger, DC bias port 2 (BNC 1)
Connector BNC, 50 Ω
Mode selectable ext. reference, ext. trigger, DC bias port 2
required level 0 dBm External reference
frequency 10 MHz
low → high transition 2.4 V External trigger threshold
high → low transition 0.7 V
max. rated input voltage 50 V DC bias port 2
max. rated input current 600 mA
IF out, DC bias port 1 (BNC 2)
Connector BNC, 50 Ω
Mode selectable IF out, DC bias port 1
serial number < 105000 21.4 MHz IF out frequency
serial number ≥ 105000 54.4 MHz
max. rated input voltage 50 V DC bias port 1
max. rated input current 600 mA
AUX
Connector 7-contact female (type Binder 712)