User's Manual

Signal Generator Specifications
257
Spectral Purity
Spurious Signals:
For ≤1 dBm output level at DUPLEX OUT or ≤−25 dBm output level
at RF IN/OUT:
Harmonics: <−30 dBc
Non-Harmonic Spurious: <−60 dBc (at >5 kHz offset from carrier)
Residual FM (rms, CCITT):
SSB Phase Noise:
Table 2
Frequency
Range
HP 8920A
Standard
HP 8920A
Opt. 050 or
HP8920D
250 kHz ≤ f
c
<
249 MHz
< 20 Hz < 7 Hz
249 MHz ≤ f
c
< 501 MHz
< 10 Hz < 4 Hz
501 MHz ≤ f
c
≤ 1000 MHz
< 20 Hz < 7 Hz
Table 3
Offset (1 GHz
carrier)
HP 8920A
Standard
HP 8920A
Opt.050 or
HP 8920D
>20 kHz <−110 dBc/Hz <−116 dBc/Hz