83623B Specifications:
Frequency range: 0.01-20 GHz+17 dBm calibrated output power-50 dBc harmonics <20 GHz typicalSSB phase noise <-80 dBc at 10 GHz and 10 kHz offsetComplete analog sweeper1 Hz frequency resolution (Option 008)Pulse, amplitude and frequency modulation (Keysight Agilent HP 8360B Series only)-110 dBm output power with step attenuator (Option 001)