Page <41>
V1.0
07/01/22
Newark.com/multicomp-pro
Farnell.com/multicomp-pro
sg.element14.com/b/multicomp-pro
Input Attenuation Switching Uncertainty
Setting range
0 dB to 40 dB, in 1 dB step
Switching uncertainty
fc = 50 MHz, relative to 10 dB, 20°C to 30°C
<0.5 dB
Absolute Amplitude Uncertainty
Uncertainty
fc = 50 MHz, peak detector, preamplifier off, attenuation = 10 dB, input signal level =
-10dBm, 20°C to 30°C
<0.4 dB
RBW Switching Uncertainty
Uncertainty
relative to 10 kHz RBW
<0.1 dB
Reference Level
Range
-80 dBm to +30 dBm, in 1 dB step
Resolution
log scale
0.01 dB
linear scale
4 digits
Preamplifier
input signal range 0 dBm to -50 dBm
Gain
100 kHz to
1.5 GHz
20 dB (nominal)
Level Measurement
Uncertainty
95% confidence level, S/N > 20 dB, RBW = VBW = 1 kHz, preamplifier off, attenuation = 10
dB, -50 dBm < input level ≤ 0 dBm, fc > 10 MHz, 20°C to 30°C
RF Input VSWR (attenuation ≥ 10 dB)
VSWR
300 kHz to
1.5 GHz
<1.5 (nominal)
Distortion and spurious response
Second harmonic distortion
fc ≥ 50 MHz, Preamp off, signal input -20 dBm, attenuation = 10 dB
-45 dBc
Third-order intermodulation
fc ≥ 50 MHz, two -20 dBm tones at input mixer spaced by 200 kHz, attenuation = 0 dB
>+10 dBm
1 dB Gain Compression
1dB compression of input
mixer (P1dB)
fc ≥ 50 MHz, 0 dB RF attenuation
>0 dBm, nominal
Residual response
connect 50 Ω load at input port, 0 dB input attenuation, 20°C to 30°C
<-90 dBm, typical
Intermediate frequency
< -60 dBc
System related sidebands
referenced to local oscillators, referenced to A/D conversion, referenced to subharmonic of
first LO, referenced to harmonic of first LO
< -60 dBc
Input related spurious
-30 dBm signal at input mixer
<-60 dBc
