RIGOL
User’s Guide for DSA800E Series
5-6
Distortion
Second Harmonic Intercept
Second harmonic intercept
(SHI)
f
c
≥
50 MHz, input signal level = -20 dBm, attenuation = 10 dB
+40 dBm
Third-order Intercept
Third-order intercept
(TOI)
f
c
≥
50 MHz, two -20 dBm tones at input mixer spaced by 200
kHz, attenuation = 10 dB
+7 dBm
1dB Gain Compression
1dB compression of input mixer
(P
1dB
)
f
c
≥
50 MHz, attenuation = 0 dB
>0 dBm
Spurious Response
Spurious response, inherent
input terminated 50 Ω, attenuation = 0 dB, 20
℃
to 30
℃
<-90 dBm*, <-100 dBm (typ.)
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
mixer level = -30 dBm
<-60 dBc
Note: * Except the internal local oscillator (1820 MHz) and its harmonics.
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