Additional Features: Frequency range from 50 kHz to 1.6 GHz Offset frequencies of 0.01 Hz to 100 MHz SIGNAL input is specified at 0 to +23 dBm REF INPUT connection is +15 to +23 dBm The Keysight Agilent HP N5500A Phase Noise Test Set is part of the Keysight Agilent HP E5505A Phase Noise Measurement System. The Keysight Agilent HP N5500A performs phase noise measurements with the addition of baseband analyzers and software. Carrier frequencies range from 50 kHz to 1.6 GHz with offset frequencies of 0.01 Hz to 100 MHz. The phase detector input power at the SIGNAL input is specified at 0 to +23 dBm, and at the REF INPUT connection is +15 to +23 dBm. The NOISE input for noise sources or external detectors ranges in frequency from 0.01 Hz to 100 MHz with a 50 ohm input impedance and 1 Volt peak max. There are three baseband analyzer outputs: (ANALYZER)