4 Keysight EXG and MXG X-Series Signal Generators User’s Guide
Models, Options, and Front/Rear Panels for All Models
N5171B/N5181B RF Analog Signal Generators, Options and Features
General Performance Features
— N5171B/81B Electronic Step Attenuator
— 0 to 130 dB in 5 dB steps
— This electronic step attenuator is built-in and is not an option.
— N5171B/81B-UNZ Fast Switching
— Provides faster switching between different frequencies, amplitudes, and waveforms
—*N5181B-UNX Low Phase Noise
— Not compatible with N5181B-UNY Enhanced Low Phase Noise Performance
— Up to 10 dB improvement compared to standard phase noise performance
— Low close-to-carrier phase noise
—*N5181B-UNY Enhanced Low Phase Noise Performance
— Not compatible with N5181B-UNX Low Phase Noise
— Up to 10 dB improvement in phase noise performance
— Low close-to-carrier phase noise
— N5171B/81B-1EA High Output Power
— Up to 10 dB more output power than standard performance
— Fast-switching electronic attenuator
— N5171B/81B-1ER Flexible Reference Input (1 to 50 MHz)
— External Reference Input with a frequency range from 1 to 50 MHz (in multiples of 0.1 Hz)
—*N5181B-1EQ Low Power, < -110 dBm
— Decreases calibrated power levels from -110 to -127 dBm
— Decreases minimum settable power levels from -110 to -144 dBm
— N5171B/81B-302 Avionics License
— Provides the performance needed for testing VOR and ILS (localizer, glide slope, and marker
beacon) receivers
— Provides VOR bearing accuracy ± 0.1 degrees
— Provides ILS Localizer DDM accuracy ± 0.0004 ± 5% of DDM
— Provides ILS Glide Slope DDM accuracy ± 0.0008 ± 5% of DDM
— N5171B/81B-099 Expanded License Key Upgradeability
— Enables future upgrades via license key for Options 1EA High Output Power and
Option UNZ Fast Switching