Owon XSA800 Series - Page 73

6.Specification
68
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℃ to 30℃
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℃ to 30℃
<-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
Sweep
Sweep Time
Span≥10 Hz
10 ms to 3000 s
Zero Span
20 us to 3000 s