Agilent Technologies HP 83711A - Page 33

Spectral Purity
SSB Phase Noise (dBc/Bz):
Ikble 1-5. offsets
Phase noise decreases 6 dB/octave below 500 MHz and reaches a floor of c-140 dEWHz.
-60
-ISO,‘,
I
I I
I
Ik 10k
100k IM IOM
Offset (Hz)
Figure 1-15.
Typical single-sideband phase noise at 50 MHz, 1 GHz and 20 GHz, 25OC, CW mode.
Offsets less than 100 Hz require the high stability timebase, Option lE5.
HP8373lAl32ASpecifications 1-15