Specifications
¸FSH3  ¸FSH6
Frequency 
Frequency range 100 kHz to 3 GHz 100 kHz to 6 GHz
Reference frequency
  Aging
1 ppm/year
  Temperature drift
0 °C to +30 °C 
+30 °C to +50 °C
2 ppm  
in addition 2 ppm/10 °C 
Frequency counter
  Resolution
1 Hz
  Counter accuracy 
S/N > 25 dB ± (frequency × reference frequency error)
Frequency span  model .03/.23,
model .06/.26 
model .13
0 Hz, 100 Hz to 3 GHz
0 Hz, 10 kHz to 3 GHz
0 Hz, 100 Hz to 6 GHz
–
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 = 0 Hz 1 ms to 100 s
span > 0 Hz 20 ms to 1000 s, min. 20 ms/600 MHz
Bandwidths
  Resolution bandwidths (–3 dB)
model .13 1, 3, 10, 30, 100, 200, 300 kHz, 1 MHz
model .03/.23,  
model .06/.26
in addition 100 Hz, 300 Hz
  Tolerance
≤300 kHz
±5 %, nominal
1 MHz ±10 %, nominal
  Resolution bandwidths (–6 dB)
with option ¸FSH-K3 
installed
in addition 200 Hz, 9 kHz, 120 kHz, 1 MHz
  Video bandwidths
10 Hz to 1 MHz in 1, 3 steps
11Handheld Spectrum Analyzer ¸FSH
Specifications  apply under the following  conditions: 15 minutes warm-up time at ambient temperature, speci-
fied  environmental  conditions  met  and  calibration  cycle  adhered  to.  Data  without  tolerances:  typical  values.  
Data designated as “nominal”: design parameters, i. e. not tested.