N5166B

Keysight Technologies (Agilent HP)Signal

The Keysight N5166B CXG is an RF vector signal generator designed for IoT and general-purpose wireless test applications. Offering reliable multi-channel receiver testing and basic parametric testing capability, it bridges the gap between essential and high-performance vector signal generation.

RF and Microwave Receiver Testing Signal Generation Wireless Communications

Specifications

Frequency

Parameter	Value
Minimum Frequency	9 kHz
Maximum Frequency	6 GHz (option dependent)
Frequency Resolution	0.01 Hz

Output

Parameter	Value
Maximum Output Power	+18 dBm (standard, up to +26 dBm with option 1EA)
Output Power Range	-110 to +18 dBm (standard, frequency dependent)
Phase Noise	-119 dBc/Hz (typical at 20 kHz offset, 1 GHz carrier)

Modulation

Parameter	Value
Modulation	AM, FM, Phase (ΦM), Pulse, Vector I/Q (internal and external)
Sweep Modes	Step, List (frequency, amplitude, and dwell)

General

Parameter	Value
Reference Oscillator	10 MHz (internal)
Interfaces	LAN (1000Base-T), USB 2.0, GPIB (optional)
Display	6.5-inch color TFT LCD
Calibration Cycle	3 years

Physical

Parameter	Value
Dimensions (W×H×D)	426 mm W × 88 mm H × 489 mm D
Weight	15.9 kg

Frequency Specifications

Parameter	Value
Frequency Options	3 GHz (Option 503), 6 GHz (Option 506)
Frequency Switching Speed	< 5 ms (typical, SCPI mode)
Internal Reference Aging Rate	< ±1 ppm/year
External Reference Input Frequency	10 MHz (±1 ppm)

Amplitude Specifications

Parameter	Value
Amplitude Resolution	0.02 dB
Output Impedance	50 ohms

Spectral Purity

Parameter	Value
Harmonics	<-30 dBc (at 1 GHz, output power < +4 dBm)

Vector Modulation and Baseband

Parameter	Value
Internal Baseband Generator Bandwidth	60 MHz (standard), 120 MHz (Option 1RE)
Arbitrary Waveform Memory Depth	16 Msa (standard), up to 512 Msa (Option 512)
Digital-to-Analog Converter (DAC) Resolution	16-bit

System Connectivity and Interfaces

Parameter	Value
RF Output Connector Type	Type-N female
LXI Class Compliance	LXI Core 2011 compliant

Physical and Environmental Specifications

Parameter	Value
Operating Temperature Range	0 to 55 °C
Storage Temperature Range	-40 to 70 °C
Rack Unit (RU) Height	2U

Protection

Parameter	Value
RF Reverse Power Protection	50 W (nominal) below 2 GHz, 25 W (nominal) 2 GHz to 6 GHz, 50 VDC maximum

Phase

Parameter	Value
Phase Offset Resolution	0.01°

Baseband Generator

Parameter	Value
Internal Baseband Generator Max Sample Rate	150 MSa/s

Environmental

Parameter	Value
Maximum Operating Altitude	4,600 m
Maximum Storage Altitude	15,200 m
Environmental Shock & Vibration	Meets MIL-PRF-28800F Class 3 limits
Relative Humidity Range	Up to 95% RH at 40 °C, non-condensing

Sweep

Parameter	Value
Sweep Points Range	2 to 65535

Performance

Parameter	Value
W-CDMA ACLR (64 DPCH)	-73 dBc (typical, at 2 GHz)
LTE-A FDD EVM	< 0.4% (typical, 1.8 GHz to 2.2 GHz)

Options

Parameter	Value
Baseband Generator Bandwidth Options	60 MHz (Option 1EL) / 80 MHz (Option 1EM) / 120 MHz (Option 1EP)
Baseband Generator Memory Options	32 MSa (Option 022) / 512 MSa (Option 023)

Technology

RF Vector Signal Generator

Applications

IoT device testing, receiver characterization, educational labs, general-purpose RF testing