R&S FSH3 Specifications
Specifications
Specifications apply under the following conditions: 15 minutes warm-up time at ambient temperature,
specified environmental conditions met and calibration cycle adhered to. Data without tolerances:
typical values only. Data designated as "nominal" are design parameters and are not tested.
Frequency
Frequency range 100 kHz to 3 GHz
Reference frequency
Aging 2 ppm/year
Temperature drift 2 ppm ( 0 °C to 30 °C),
plus 2 ppm/10 °C from 30 °C to 50 °C
Frequency counter
Resolution 1 Hz
Frequency span 10 kHz to 3 GHz, 0 Hz
Spectral purity
SSB phase noise, f = 500 MHz, 20 °C to 30 °C
30 kHz from carrier < 85 dBc (1 Hz)
100 kHz from carrier < 100 dBc (1 Hz)
1 MHz from carrier < 120 dBc (1 Hz)
Sweep time
Span ≥ 10 kHz
20 ms to 1000 s
Span = 0 Hz 1 ms to 100 s
Bandwidths
Resolution bandwidths (-3 dB)
With model 1145.5850.23 in addition
1 kHz to 1 MHz in 1, 3 steps, 200 kHz
100 Hz, 300 Hz
Tolerance
± 5 %, nominal
Video bandwidths 10 Hz to 1 MHz in 1, 3 steps
Amplitude
Display range average noise level displayed to +20 dBm
Maximum permissible DC voltage at
RF input (does not correspond to test voltage)
50 V/80 V
1
)
Maximum power 20 dBm, 30 dBm (1 W) for max. 3 minutes
Intermodulation-free dynamic range
2 x -20 dBm, reference level = -10 dBm
(0 dB RF attenuation)
70 dB (+15 dBm 2nd-order intercept)
Displayed average noise level,
resolution bandwidth 1 kHz,
video bandwidth 10 Hz, 10 MHz to 3 GHz,
reference level ≤ -30 dBm
with preamplifier (only model 1145.5850.23)
10 MHz to 2.5 GHz
2.5 GHz to 3 GHz
<–105 dBm, typ. –114 dBm
<–120 dBm, typ. –125 dBm
<–115 dBm, typ. –120 dBm
Inherent spurious
Reference level ≤ -10 dBm, f > 30 MHz,
RBW ≤100 kHz
<-80 dBm
1
80 V valid as of serial number 100900 (model 1145.5850.03) and 101600 (model 1145.5850.13); model 1145.5850.23: all serial numbers
1145.5973.12 TI.1 E-6
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