Base unit, Frequency – Atec Rohde-Schwarz-ESU-40 User Manual
Page 3
Version 02.00, October 2007
R&S
®
ESU EMI Test Receiver
3
Base Unit
Frequency
R&S
®
ESU8
DC coupled
20 Hz to 8 GHz
AC coupled
1 MHz to 8 GHz
R&S
®
ESU26
DC coupled
20 Hz to 26.5 GHz
AC coupled
10 MHz to 26.5 GHz
R&S
®
ESU40
DC coupled
20 Hz to 40 GHz
AC coupled
10 MHz to 40 GHz
all models
DC coupled, input 2
20 Hz to 1 GHz
Frequency range
AC coupled, input 2
9 kHz to 1 GHz
Frequency resolution
0.01
Hz
Reference frequency, internal, nominal
standard OCXO
Aging per day
after 30 days of continuous operation
1 × 10
–9
Aging per year
after 30 days of continuous operation
1 × 10
–7
Temperature drift
+5° C to +45° C
8 × 10
–8
Total error
per year
1.8 × 10
–7
Reference frequency, internal, nominal
option R&S
®
FSU-B4
Aging per day
after 30 days of continuous operation
2 × 10
–10
Aging per year
after 30 days of continuous operation
3 × 10
–8
Temperature drift
+5° C to +45° C
1 × 10
–9
Total error
per year
5 × 10
–8
External reference frequency
1 MHz to 20 MHz, 1 Hz steps
Frequency display
with marker or frequency counter
Marker resolution
span/624
Maximum deviation
sweep time >3 × auto sweep time
±(marker frequency × reference error +
0.5 % × span +10 % × resolution
bandwidth + ½ (last digit))
Frequency counter resolution
selectable
0.1 Hz to 10 kHz
Count accuracy
S/N >25 dB
±(frequency × reference error +
½ (last digit))
Display range for frequency axis
0 Hz, 10 Hz to max. frequency
Resolution
0.1 Hz
Max. span deviation
1 %
Spectral purity,
SSB phase noise (1 Hz)
f = 640 MHz
Residual FM
RBW 10 kHz, RMS
<1 Hz nominal
10 Hz
<–73 dBc, nominal
10 Hz with option R&S
®
FSU-B4 fitted
<–86 dBc, nominal
100 Hz
<–98 dBc, typ. –104 dBc
1 kHz
<–116 dBc, typ. –124 dBc
10 kHz
<–128 dBc, typ. –133 dBc
100 kHz
<–128 dBc, typ. –133 dBc
1 MHz
<–140 dBc, typ. –146 dBc
Carrier offset
10 MHz
typ. –160 dBc