Specifications

Data Sheet R&S
®
FSH3 and R&S
®
FSH6
1145.5973.12 TI.2 E-9
Specification Condition R&S
®
FSH3 R&S
®
FSH6
Displayed average noise level
10 MHz to 3 GHz
3 GHz to 5 GHz
5 GHz to 6 GHz
resolution bandwidth 1 kHz,
video bandwidth 10 Hz,
reference level ≤ -30 dBm
<-105 dBm,
typ. -114 dBm
<-105 dBm,
typ. -112 dBm
<-103 dBm,
typ. -108 dBm
<-96 dBm,
typ. -102 dBm
With preamplifier
10 MHz to 2.5 GHz
2.5 GHz to 3 GHz
3 GHz to 5 GHz
5 GHz to 6 GHz
only models
1145.5850.03
2
),
1145.5850.23,
1145.5850.06 and
1145.5850.26
<-120 dBm,
typ. -125 dBm
<-115 dBm,
typ. -120 dBm
<-120 dBm,
typ. –125 dBm
<-115 dBm,
typ. -120 dBm
<-115 dBm,
typ. -120 dBm
<-105 dBm,
typ. -110 dBm
Inherent spurious
reference level ≤ -20 dBm, f
> 30 MHz,
RBW ≤ 100 kHz
<-80 dBm <-80 dBm
Input related spurious
Up to 3 GHz
3 GHz to 6 GHz
Signal frequency minus
2.0156 GHz for signal
frequencies 2 GHz to 3.2 GHz
mixer level -40 dBm,
carrier offset > 1 MHz
<-70 dBc (nominal)
typ. <-55 dBc
<-70 dBc (nominal)
<-64 dBc (nominal)
typ. <-55 dBc
2nd harmonic mixer level -40 dBm typ. <-60 dBc typ. <-60 dBc
Level display
Reference level -80 dBm to +20 dBm in steps of 1 dB
Display range 100 dB, 50 dB, 20 dB, 10 dB, linear
Display units
Logarithmic
Linear
dBm, dBµV, dBmV
with transducer also dBµV/m and dBµA/m
µV, mV, V, nW, µW, mW, W
with transducer also V/m, mV/m and µV/m
Traces 1 trace and 1 memory trace
Detectors auto peak, maximum peak, minimum peak,
sample, RMS
with option R&S FSH-K3
installed
in addition average and quasi-peak
Level measurement error frequency > 1 MHz,
at reference level down to -
50 dB, 20 °C to 30 °C
<1.5 dB, typ. 0.5 dB
2
As of serial number 100900 and firmware version 6.0 or higher.